Material Document and Classification: 66 FED STD SINGLE MATERIAL RESPONSE OVERALL
Outside Diameter: 0.541 INCHES MINIMUM AND 0.547 INCHES MAXIMUM IN
Material Thickness: 0.040 INCHES NOMINAL IN
Shoulder Diameter: 0.385 INCHES MINIMUM AND 0.390 INCHES MAXIMUM IN
Material: STEEL COMP 416 OVERALL
Identification
NSN: 5310-00-050-9375
NIIN: 000509375
FSC: 5310 — Nuts and Washers
FSG: 53 — Hardware and Abrasives
General Description
The Washer,shouldered, cataloged under National Stock Number 5310-00-050-9375, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. Government technical data includes 8 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 7 items share a part number with this NSN in the catalog (possible match — not a government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
5310-00-050-9375
Item Name
Washer,shouldered
FSC / FSG
5310 / 53 — Nuts and Washers
Status
ACTIVE
Shoulder Height
0.080 INCHES NOMINAL IN
Style Designator
SHOULDERED
Material Document and Classification
66 FED STD SINGLE MATERIAL RESPONSE OVERALL
Outside Diameter
0.541 INCHES MINIMUM AND 0.547 INCHES MAXIMUM IN
Material Thickness
0.040 INCHES NOMINAL IN
Shoulder Diameter
0.385 INCHES MINIMUM AND 0.390 INCHES MAXIMUM IN
Material
STEEL COMP 416 OVERALL
Hole Diameter
0.285 INCHES MINIMUM AND 0.288 INCHES MAXIMUM 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 Items7
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
NSN 5310-00-050-9375 is a Washer,shouldered, classified under FSC 5310, Nuts and Washers. Status: active.
What NSN replaces 5310-00-050-9375?
7 possible matches (shared part number, not a government interchangeability claim): 3030-00-062-8381, 6610-00-092-4693, 3110-00-144-8863. Verify interchangeability with system specifications before substitution.
What are the specifications of 5310-00-050-9375?
Key specifications for 5310-00-050-9375: Shoulder Height: 0.080 INCHES NOMINAL IN; Style Designator: SHOULDERED; Material Document and Classification: 66 FED STD SINGLE MATERIAL RESPONSE OVERALL; Outside Diameter: 0.541 INCHES MINIMUM AND 0.547 INCHES MAXIMUM IN. 8 specifications are documented in the U.S. Government catalog.
Is NSN 5310-00-050-9375 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.