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Revision as of 08:26, 22 May 2009

Nissan Engineering Section (N.E.S.) specified six- to nine-digit Part Number formats for bolts and screws and other small hardware. During the 1970s these numbers were replaced by regular 10 digit Nissan Part Numbers.

Overview

Also See: Nissan Part Numbers

NES hardware parts originally used this six-digit format:

Type + Kind + dimensions (d) + length (L)

  t-kddLL or t-kkdLL
  e.g: 1-10612

In the mid 1960s, the digit '8' was added to the beginning:

 81-10612

Example:

81-10612 BOLT, fixing timing chain tensioner support [B10 model]
- Part: 81: Hexagon bolt
- Kind: 1= Low carbon steel
- Dimension: 06=6mm diameter thread
- Length: 12=12mm

Example:

9-16114 WASHER-lock to fix timing chain tensioner [410 model]
- New number would be 89-16114
- Part-Kind: 9-16: Washer, Tooth-lock
- Shape & material: 1=Spring-lock medium thickness
- Dimension: 14=14mm

Kind

1- Bolts

11ddLL: Hexagon bolt, Low carbon steel
12ddLL: Hexagon bolt, Medium carbon steel
13ddLL: Hexagon bolt, Alloy steel
81-4ddLL:
81-5ddLL:
81-6ddLL:
17dLLL: Carriage bolt, Round head
18dLLL: Carriage bolt, Flat head
19dLLL: Carriage bolt, Step

2- Studs

21ddLL: Stud, Low carbon steel (for cast iron)
22ddLL: Stud, Medium carbon steel (for cast iron)
23ddLL: Stud, Low carbon steel (for light alloy)
24ddLL: Stud, Medium carbon steel (for light alloy)
82-5ddLL:
82-6ddLL:

3- Machine Screws

31ddLL: Machine screw, Pan head
32ddLL: Machine screw, Flat head
33ddLL: Machine screw, Oval head
34ddLL: Machine screw, Truss head
35ddLL: Machine screw, Blind head
36ddLL: Machine screw, Hexagon head

84- Pointed Machine Screw

84-1ddLL: Pan head
84-2ddLL: Flat head
84-3ddLL: Oval head
84-4ddLL: Truss head
84-5ddLL: Blind head
84-6ddLL: Hex head

5- Other Screws

51ddLL: Tapping screw, Pan head
52ddLL: Tapping screw, Flat head
53ddLL: Tapping screw, Oval head
54ddLL: Tapping screw, Truss head
57dLL: Wood screw, Round head
58dLL: Wood screw, Flat countersunk head
59dLL: Wood screw, Oval head

6- Rivets

61ddLL: Rivet, Round head
62ddLL: Rivet, Flat countersunk head
63ddLL: Rivet, Flat head
66ddLL: Rivet, Tubular flat head
67ddLL: Rivet, Tubular flat countersunk head
68ddLL: Rivet, Split oval head

87-11 Flared Nuts

87-111dd Inpe-ted
87-112dd Standard

87-12 Connectors

87-121dd Straight
87-122dd Elbow
87-123dd Elbow

87-2 Hose Clamps

87-211dd: A
87-211dd: B

87-31 Clevis

87-311dd: A?
87-312dd: B?
87-313dd: ???

9-11 Hex Nuts

9111dd: Hexagon nut, low carbon steel
9112dd: Hexagon nut, medium carbon steel
9113dd: Hexagon nut, Low, low carbon steel
9115dd: Hexagon nut, High, low carbon steel
9116dd: Hexagon nut, High, medium carbon steel
9117dd: Hexagon nut, Recess, high, low carbon steel
9118dd: Hexagon nut, Recess, high, medium carbon steel
9119dd: Hexagon nut, Recess, low, low carbon steel
9110dd: Hexagon nut, Recess, low, high carbon steel

9-12 Lock Nuts

Self-locking nut (stopper nut)

89-121dd: ???
89-122dd: ???
9123dd: Self-locking hexagon nut, N, low carbon steel
9124dd: Self-locking hexagon nut, N, medium carbon steel
9125dd: Self-locking hexagon nut, low, low carbon steel
9126dd: Self-locking hexagon nut, low, medium carbon steel
89-127dd: ???
89-128dd: ???

9-13 Square & Wing Nuts

9131dd: Nut, Square
9134dd: Nut, Wing (forged)
9135dd: Nut, Wing (sheet)

89-14 Hex Weld Nuts, Tapping Discs, Plate Nuts

89-141dd: ?
89-142dd: ?
89-143dd: Tapping Disc A?
89-144dd: Tapping Disc B?
89-145dd: Plate

9-15 Washers

9151dd: Washer, Sring lock medium
9152dd: Washer, Sring lock thick
9154dd: Washer, Plain standard
9155dd: Washer, Plain large
9158dd: Washer, Finish

9-16 Tooth-lock Washers

Tooth Lock washer (shakeproof)

9161dd: Washer, toothed inside ratchet (outside dia. msall)
9162dd: Washer, toothed inside ratchet (outside dia. large)
9163dd: Washer, toothed outside ratchet
9164dd: Washer, toothed 80° countersunk
9165dd: Washer, toothed 90° countersunk
89-166dd: Washer, ???
89-167dd: Washer, ???
9168dd: Washer, toothed both side ratchet

9-17, 89-19 Nut Retainers

9-171dd/89-191dd: Nut retainer, Both shanks round hole
9-172dd/89-192dd: Nut retainer, One shank round hole
9-173dd/89-193dd: Nut retainer, Both shanks long hole
9-174dd/89-1914dd: Nut retainer, One shank long hole
89-195dd: ????

9-2 Pin & Key

921dLL: Cotter pin
- 6 Semicircular key
- 8 Parallel key

9-31 Thread Plugs

9311dd: Plug, threaded, square head taper thread
9312dd: Plug, threaded, square hole taper thread
9312dd: Plug, threaded, recessed taper thread
9313dd: Plug, threaded, hex head taper thread
9314dd: Plug, threaded, hex head parallel thread

9-32 Grease Nipples

9321dd: Grease nipple, Straight
9322dd: Grease nipple, 67.5°
9323dd: Grease nipple, 90°

9-4 Electric Parts

94*1dd: Electric parts

9-5 Rubber Parts

95*1dd: Rubber Grommet

89-6 Spring Nuts

89-631dd: A1 type
89-632dd: A2 type
89-641dd: B type
89-651dd: C type
89-661dd: D1 type
89-662dd: D2 type
89-663dd: D3 type
89-664dd: D1 type

89-61 Push-on Spring Nuts

89-611dd: A1 type
89-612dd: A1 type
89-613dd: B type
89-614dd: C type

Dimension Digits

Distinction by alias dimension of diameter and width. Each number may be either a size, inch dimension or metric dimension.

01: #1, 1/16", 1mm
02: #2, , 2mm
03: #3, 3/32", 3mm
04: #4, 7/64", 4mm
05: #5, 1/8", 5mm
06: #6, n/64", 6mm
08: #8, 5/32", 8mm
09: ,,9m
10: #10, 3/16", 10mm
12: #12, 7/32", 12mm
13: ,, 13mm
14: #14, 1/4", 14mm
15: ,5/16", 15mm
16: #16, 3/8", 16mm
17: ,7/16", 17mm
18: ,1/2", 18mm
19:, 9/16",
20:, 5/8", 20mm
22: ,3/4",
24: ,7/8",
26: ,1",
28: ,1-5/8",

Also add 30, 60, or 50 to above.

Length Digits

LL as shown above:

07: 1/4 inch
10: 3/8
13: 1/2
16: 5/8
19: 3/4
22: 7/8
26: 1 inch
28: 1-1/8
32: 1-1/4
35: 1-3/8
38: 1-1/2
41: 1-5/8
44: 1-3/4
48: 1-7/8
51: 2 inch
54: 2-1/8
57: 2-1/4
64: 2-1/2
70: 2-3/4
76: 3 inch

Suffix

For parts that have surface finishing or cotter pin hole, symbols showing these proceedings are added at the end of the part number.

Two digits mean it has a cotter pin hole. Single digit: No cotter pin hole.

1: Zinc cadmium coated
2: Chrome coated
3: Copper coated
4: Phosphoric acid coated
5: Brass
6: Copper

With Cotter Pin Hole

10: surface not processed
11: Zinc cadmium coated
21: Chrome coated
31: Copper coated
41: Phosphoric acid coated
51: Brass
61: Copper

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NES Part Numbers