The Washer,retaining, cataloged under National Stock Number 5310-00-405-2046, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government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,retaining
FSC / FSG
5310 — Nuts and Washers (FSG 53)
Technical Specifications
Parameter
Value
NSN
5310-00-405-2046
Item Name
Washer,retaining
FSC / FSG
5310 / 53 — Nuts and Washers
Status
ACTIVE
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL A — No Demilitarization Required
Hazard
No hazard code in the DLA record (HMIC N)
⇄Related Items4
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
1660-00-674-4054POSSIBLE MATCH
DIFFUSER,AIR,AIRCRAFT HEATING AN
Possible match (shared part number)
5950-01-112-0746310-A0-009POSSIBLE MATCH
TRANSFORMER,AUDIO FREQUENCY
Possible match (shared part number)Television Technology Corp Ampro/scully Div
5330-01-177-79619048-1POSSIBLE MATCH
SEAL
Possible match (shared part number)Eaton Corporation Div Eaton Fluid Power
6220-01-398-490390481POSSIBLE MATCH
LENS,LIGHT
Possible match (shared part number)Grote Industries Inc Dba Grote Manufacturing Co Div Military Products
Cross-Reference Index
No manufacturer part numbers on file in the U.S. Government catalog.
Reference documents
Reference
Meaning
90481
3/2Design control — primary reference
U.S. Government activity
Related Parts
1660-00-674-4054POSSIBLE MATCH
DIFFUSER,AIR,AIRCRAFT HEATING AN
5950-01-112-0746POSSIBLE MATCH
TRANSFORMER,AUDIO FREQUENCY
310-A0-009
5330-01-177-7961POSSIBLE MATCH
SEAL
9048-1
6220-01-398-4903POSSIBLE MATCH
LENS,LIGHT
90481
Frequently Asked Questions
What is NSN 5310-00-405-2046?
NSN 5310-00-405-2046 is a Washer,retaining, classified under FSC 5310, Nuts and Washers. Status: active.
What NSN replaces 5310-00-405-2046?
4 possible matches (shared part number, not a government interchangeability claim): 1660-00-674-4054, 5950-01-112-0746, 5330-01-177-7961. Verify interchangeability with system specifications before substitution.
Is NSN 5310-00-405-2046 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.