NSN 5310-01-662-2123 · NIIN 016622123 · Part number 5001-3EX ITEM 28
Blowers, Llc · FSC 5310 — Nuts and Washers · FSG 53 — Hardware and Abrasives · CAGE 00248
Government record, cited
NSN 5310-01-662-2123 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-662-2123. Manufacturer of record part number: 5001-3EX ITEM 28.
Also searched as5310-01-662-2123 ·
5310016622123 ·
NIIN 016622123 ·
01-662-2123 ·
FSC 5310 Nuts and Washers · CAGE 00248 · 5001-3EX ITEM 28 · 5001-3EX
The Washer,lock, cataloged under National Stock Number 5310-01-662-2123, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Blowers, Llc. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government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,lock
FSC / FSG
5310 — Nuts and Washers (FSG 53)
Manufacturers
Blowers, Llc (CAGE 00248)
Technical Specifications
Parameter
Value
NSN
5310-01-662-2123
Primary Part Number
5001-3EX ITEM 28
Item Name
Washer,lock
FSC / FSG
5310 / 53 — Nuts and Washers
Manufacturer
Blowers, Llc
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 Items4
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
NSN 5310-01-662-2123 is a Washer,lock, manufactured by Blowers, Llc, classified under FSC 5310, Nuts and Washers. Status: active.
What part numbers are listed for NSN 5310-01-662-2123?
NSN 5310-01-662-2123 has 1 manufacturer part number on file: 5001-3EX ITEM 28 (Blowers, Llc).
What NSN replaces 5310-01-662-2123?
4 possible matches (shared part number, not a government interchangeability claim): 5310-01-662-2156, 5305-01-662-2181, 5310-01-662-2262. Verify interchangeability with system specifications before substitution.
Is NSN 5310-01-662-2123 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.