NSN 5310-01-642-0632 · NIIN 016420632 · Part number 526-0399-43
Cummins Power Generation Inc. · FSC 5310 — Nuts and Washers · FSG 53 — Hardware and Abrasives · CAGE 44940
Government record, cited
NSN 5310-01-642-0632 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-642-0632. Manufacturer of record part number: 526-0399-43.
Also searched as5310-01-642-0632 ·
5310016420632 ·
NIIN 016420632 ·
01-642-0632 ·
FSC 5310 Nuts and Washers · CAGE 44940 · 526-0399-43
Overall Diameter: 0.891 INCHES MINIMUM AND 0.953 INCHES MAXIMUM IN
Cross-Sectional Shape Style: RECTANGULAR
Peripheral Shape Style: ROUND
Material: STEEL OVERALL
Center Hole Shape Style: ROUND
Hole Diameter: 0.469 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN
Thickness: 0.051 INCHES MINIMUM AND 0.080 INCHES MAXIMUM IN
Identification
NSN: 5310-01-642-0632
NIIN: 016420632
FSC: 5310 — Nuts and Washers
FSG: 53 — Hardware and Abrasives
Primary part number: 526-0399-43
Manufacturer: Cummins Power Generation Inc.
General Description
The Washer,flat, cataloged under National Stock Number 5310-01-642-0632, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Cummins Power Generation Inc.. Government technical data includes 7 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 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 5310-01-642-0632?
NSN 5310-01-642-0632 is a Washer,flat, manufactured by Cummins Power Generation Inc., classified under FSC 5310, Nuts and Washers. Status: active.
What part numbers are listed for NSN 5310-01-642-0632?
NSN 5310-01-642-0632 has 1 manufacturer part number on file: 526-0399-43 (Cummins Power Generation Inc.).
What are the specifications of 526-0399-43?
Key specifications for 526-0399-43: Overall Diameter: 0.891 INCHES MINIMUM AND 0.953 INCHES MAXIMUM IN; Cross-Sectional Shape Style: RECTANGULAR; Special Features: SCREW SIZE:0.438 INCH; HARDNESS OF HARDENED WASHER:26 TO 45 HRC IN; Peripheral Shape Style: ROUND. 7 specifications are documented in the U.S. Government catalog.
Is NSN 5310-01-642-0632 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.