NSN 5310-00-849-2129 · NIIN 008492129 · Part number 2J7759
Caterpillar Inc Div Caterpillar Defense · FSC 5310 — Nuts and Washers · FSG 53 — Hardware and Abrasives · CAGE 11083
Government record, cited
NSN 5310-00-849-2129 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-849-2129. Manufacturer of record part number: 2J7759.
Also searched as5310-00-849-2129 ·
5310008492129 ·
NIIN 008492129 ·
00-849-2129 ·
FSC 5310 Nuts and Washers · CAGE 11083 · 2J7759 · 197411
Material Document and Classification: SAE F6 ASSN STD 1ST MATERIAL RESPONSE OR SAE F7 ASSN STD 2ND MATERIAL RESPONSE OVERALL
Cross-Sectional Shape Style: RECTANGULAR
Peripheral Shape Style: ROUND
Material: WOOL COMP 12R3 OVERALL
Center Hole Shape Style: ROUND
Hole Diameter: 1.624 INCHES NOMINAL IN
Identification
NSN: 5310-00-849-2129
NIIN: 008492129
FSC: 5310 — Nuts and Washers
FSG: 53 — Hardware and Abrasives
Primary part number: 2J7759
Manufacturer: Caterpillar Inc Div Caterpillar Defense
General Description
The Washer,flat, cataloged under National Stock Number 5310-00-849-2129, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Caterpillar Inc Div Caterpillar Defense. Government technical data includes 8 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
5310-00-849-2129
Primary Part Number
2J7759
Item Name
Washer,flat
FSC / FSG
5310 / 53 — Nuts and Washers
Manufacturer
Caterpillar Inc Div Caterpillar Defense
Status
ACTIVE
Overall Diameter
2.125 INCHES NOMINAL IN
Material Document and Classification
SAE F6 ASSN STD 1ST MATERIAL RESPONSE OR SAE F7 ASSN STD 2ND MATERIAL RESPONSE OVERALL
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5310-00-000-0040
5310-00-000-0040 · Item name not on file
5310-00-000-0077
NUT,PLAIN,ROUND
5310-00-000-0079
WASHER,FLAT
5310-00-000-0079
WASHER,FLAT
5310-00-000-1146
5310-00-000-1146 · Item name not on file
5310-00-000-3815
5310-00-000-3815 · Item name not on file
5310-00-000-4532
5310-00-000-4532 · Item name not on file
5310-00-000-4540
5310-00-000-4540 · Item name not on file
Frequently Asked Questions
What is NSN 5310-00-849-2129?
NSN 5310-00-849-2129 is a Washer,flat, manufactured by Caterpillar Inc Div Caterpillar Defense, classified under FSC 5310, Nuts and Washers. Status: active.
What part numbers are listed for NSN 5310-00-849-2129?
NSN 5310-00-849-2129 has 2 manufacturer part numbers on file: 197411 (Eaton Aerospace, Llc Dba Jackson South), 2J7759 (Caterpillar Inc Div Caterpillar Defense).
What are the specifications of 2J7759?
Key specifications for 2J7759: Overall Diameter: 2.125 INCHES NOMINAL IN; Material Document and Classification: SAE F6 ASSN STD 1ST MATERIAL RESPONSE OR SAE F7 ASSN STD 2ND MATERIAL RESPONSE OVERALL; Cross-Sectional Shape Style: RECTANGULAR; Peripheral Shape Style: ROUND. 8 specifications are documented in the U.S. Government catalog.
Is NSN 5310-00-849-2129 hazardous material?
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
Sources
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.