NSN 5310-01-522-6252 · NIIN 015226252 · Part number 143-2546
Caterpillar Inc Div Caterpillar Defense · FSC 5310 — Nuts and Washers · FSG 53 — Hardware and Abrasives · CAGE 11083
Government record, cited
NSN 5310-01-522-6252 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-522-6252. Manufacturer of record part number: 143-2546.
Also searched as5310-01-522-6252 ·
5310015226252 ·
NIIN 015226252 ·
01-522-6252 ·
FSC 5310 Nuts and Washers · CAGE 11083 · 143-2546 · 5KK42 · 5KK42
Manufacturer of record: Caterpillar Inc Div Caterpillar Defense
Identification
NSN: 5310-01-522-6252
NIIN: 015226252
FSC: 5310 — Nuts and Washers
FSG: 53 — Hardware and Abrasives
Primary part number: 143-2546
Manufacturer: Caterpillar Inc Div Caterpillar Defense
General Description
The Washer,flat, cataloged under National Stock Number 5310-01-522-6252, 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. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
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 5310-01-522-6252?
NSN 5310-01-522-6252 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 5310-01-522-6252?
NSN 5310-01-522-6252 has 2 manufacturer part numbers on file: 143-2546 (Caterpillar Inc Div Caterpillar Defense), 5KK42 (Oshkosh Defense Llc).
What are the specifications of 143-2546?
Key specifications for 143-2546: Part Name Assigned by Controlling Agency: WASHER, BRAKE, HOUSING; End Item Identification: WHEELED TANKER. 0 specifications are documented in the U.S. Government catalog.
Is NSN 5310-01-522-6252 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.