NSN 5310-01-625-0664 · NIIN 016250664 · Part number LS1091393-3
General Dynamics Land Systems Inc. · FSC 5310 — Nuts and Washers · FSG 53 — Hardware and Abrasives · CAGE 01417
Government record, cited
NSN 5310-01-625-0664 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-625-0664. Manufacturer of record part number: LS1091393-3.
Also searched as5310-01-625-0664 ·
5310016250664 ·
NIIN 016250664 ·
01-625-0664 ·
FSC 5310 Nuts and Washers · CAGE 01417 · LS1091393-3 · LS1091393
Manufacturer of record: General Dynamics Land Systems Inc.
Identification
NSN: 5310-01-625-0664
NIIN: 016250664
FSC: 5310 — Nuts and Washers
FSG: 53 — Hardware and Abrasives
Primary part number: LS1091393-3
Manufacturer: General Dynamics Land Systems Inc.
General Description
The Washer,flat, cataloged under National Stock Number 5310-01-625-0664, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is General Dynamics Land Systems Inc.. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 5 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
Catalog Facts
Item Name
Washer,flat
FSC / FSG
5310 — Nuts and Washers (FSG 53)
Manufacturers
General Dynamics Land Systems Inc. (CAGE 01417)
Technical Specifications
Parameter
Value
NSN
5310-01-625-0664
Primary Part Number
LS1091393-3
Item Name
Washer,flat
FSC / FSG
5310 / 53 — Nuts and Washers
Manufacturer
General Dynamics Land Systems Inc.
Status
ACTIVE
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL A — No Demilitarization Required
Hazard
No hazard code in the DLA record (HMIC N)
Criticality Code
X
⇄Related Items5
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
5310-01-633-2145LS1091393-5POSSIBLE MATCH
WASHER,FLAT
Possible match (shared part number)General Dynamics Land Systems Inc.
5310-01-650-4032LS1091393-30POSSIBLE MATCH
WASHER,FLAT
Possible match (shared part number)General Dynamics Land Systems Inc.
5310-01-650-4050LS1091393-8POSSIBLE MATCH
WASHER,FLAT
Possible match (shared part number)General Dynamics Land Systems Inc.
5310-01-650-4077LS1091393-7POSSIBLE MATCH
WASHER,FLAT
Possible match (shared part number)General Dynamics Land Systems Inc.
5310-01-677-0394LS1091393-43POSSIBLE MATCH
WASHER,FLAT
Possible match (shared part number)General Dynamics Land Systems Inc.
NSN 5310-01-625-0664 is a Washer,flat, manufactured by General Dynamics Land Systems Inc., classified under FSC 5310, Nuts and Washers. Status: active.
What part numbers are listed for NSN 5310-01-625-0664?
NSN 5310-01-625-0664 has 1 manufacturer part number on file: LS1091393-3 (General Dynamics Land Systems Inc.).
What NSN replaces 5310-01-625-0664?
5 possible matches (shared part number, not a government interchangeability claim): 5310-01-633-2145, 5310-01-650-4032, 5310-01-650-4050. Verify interchangeability with system specifications before substitution.
Is NSN 5310-01-625-0664 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.