The Washer,flat, cataloged under National Stock Number 5310-00-959-5146, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. Government technical data includes 7 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government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.
Technical Specifications
Parameter
Value
NSN
5310-00-959-5146
Item Name
Washer,flat
FSC / FSG
5310 / 53 — Nuts and Washers
Status
ACTIVE
Overall Diameter
0.371 INCHES NOMINAL IN
Cross-Sectional Shape Style
RECTANGULAR
Peripheral Shape Style
ROUND
Material
PLASTIC OVERALL
Center Hole Shape Style
ROUND
Hole Diameter
0.275 INCHES NOMINAL IN
Thickness
0.064 INCHES NOMINAL IN
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.
6240-01-367-5732SLS 14POSSIBLE MATCH
LAMP,FLUORESCENT
Possible match (shared part number)Philips Electronics North America Corporation Dba Philips Lighting Div Philips Lighting Company
5342-01-494-141417-1-3607-1POSSIBLE MATCH
MOUNT,RESILIENT,WEAPON SYSTEM
Possible match (shared part number)Hutchinson Aerospace & Industry, Inc. Dba Barry Wright Corp
4730-01-606-6369220038POSSIBLE MATCH
NIPPLE,TUBE
Possible match (shared part number)Terex Usa, Llc Dba Terex Usa, Llc
5340-01-622-856522003-8POSSIBLE MATCH
MOUNT,RESILIENT,UTILITY
Possible match (shared part number)Hutchinson Aerospace & Industry, Inc. Dba Barry Wright Corp
Cross-Reference Index
No manufacturer part numbers on file in the U.S. Government catalog.
Reference documents
Reference
Meaning
220038
3/9Design control — primary reference
C & H Hydraulics, Inc Dba Acme Divac Industries Use CAGE Code 6n016 for Cataloging
220038
C/1Advisory reference — outside the item-of-supply concept
C&h Hydraulics Inc Dba C & H Hydraulics Inc
Related Parts
6240-01-367-5732POSSIBLE MATCH
LAMP,FLUORESCENT
SLS 14
5342-01-494-1414POSSIBLE MATCH
MOUNT,RESILIENT,WEAPON SYSTEM
17-1-3607-1
4730-01-606-6369POSSIBLE MATCH
NIPPLE,TUBE
220038
5340-01-622-8565POSSIBLE MATCH
MOUNT,RESILIENT,UTILITY
22003-8
Frequently Asked Questions
What is NSN 5310-00-959-5146?
NSN 5310-00-959-5146 is a Washer,flat, classified under FSC 5310, Nuts and Washers. Status: active.
What NSN replaces 5310-00-959-5146?
4 possible matches (shared part number, not a government interchangeability claim): 6240-01-367-5732, 5342-01-494-1414, 4730-01-606-6369. Verify interchangeability with system specifications before substitution.
What are the specifications of 5310-00-959-5146?
Key specifications for 5310-00-959-5146: Overall Diameter: 0.371 INCHES NOMINAL IN; Cross-Sectional Shape Style: RECTANGULAR; Peripheral Shape Style: ROUND; Material: PLASTIC OVERALL. 7 specifications are documented in the U.S. Government catalog.
Is NSN 5310-00-959-5146 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.