NSN 5310-01-581-2805 · NIIN 015812805 · Part number 41000625
General Dynamics Ordnance and Tactical Systems, Inc. · FSC 5310 — Nuts and Washers · FSG 53 — Hardware and Abrasives · CAGE 0F875
Government record, cited
NSN 5310-01-581-2805 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-581-2805. Manufacturer of record part number: 41000625.
Also searched as5310-01-581-2805 ·
5310015812805 ·
NIIN 015812805 ·
01-581-2805 ·
FSC 5310 Nuts and Washers · CAGE 0F875 · 41000625 · 98035A107
Manufacturer: General Dynamics Ordnance and Tactical Systems, Inc.
General Description
The Washer,flat, cataloged under National Stock Number 5310-01-581-2805, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is General Dynamics Ordnance and Tactical Systems, Inc.. Government technical data includes 10 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
5310-01-581-2805
Primary Part Number
41000625
Item Name
Washer,flat
FSC / FSG
5310 / 53 — Nuts and Washers
Manufacturer
General Dynamics Ordnance and Tactical Systems, Inc.
Status
ACTIVE
Overall Diameter
22.0 MILLIMETERS NOMINAL MM
Hardness Rating
85.0 ROCKWELL B NOMINAL
Cross-Sectional Shape Style
RECTANGULAR
Color
BLACK OVERALL
Surface Treatment
OXIDE OVERALL
Peripheral Shape Style
ROUND
Material
STEEL COMP 1008 OVERALL
Center Hole Shape Style
ROUND
Hole Diameter
13.0 MILLIMETERS NOMINAL MM
Thickness
2.5 MILLIMETERS MINIMUM AND 3.4 MILLIMETERS MAXIMUM MM
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 5310-01-581-2805?
NSN 5310-01-581-2805 is a Washer,flat, manufactured by General Dynamics Ordnance and Tactical Systems, Inc., classified under FSC 5310, Nuts and Washers. Status: active.
What part numbers are listed for NSN 5310-01-581-2805?
NSN 5310-01-581-2805 has 2 manufacturer part numbers on file: 41000625 (General Dynamics Ordnance and Tactical Systems, Inc.), 98035A107 (Mcmaster-Carr Supply Co).
What are the specifications of 41000625?
Key specifications for 41000625: Overall Diameter: 22.0 MILLIMETERS NOMINAL MM; Hardness Rating: 85.0 ROCKWELL B NOMINAL; Cross-Sectional Shape Style: RECTANGULAR; Color: BLACK OVERALL. 10 specifications are documented in the U.S. Government catalog.
Is NSN 5310-01-581-2805 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.