Shoulder Height: 0.024 INCHES MINIMUM AND 0.030 INCHES MAXIMUM IN
Style Designator: SHOULDERED
Material Document and Classification: L-P-513 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
Outside Diameter: 0.495 INCHES MINIMUM AND 0.515 INCHES MAXIMUM IN
Material Thickness: 0.057 INCHES MINIMUM AND 0.067 INCHES MAXIMUM IN
Shoulder Diameter: 0.300 INCHES MINIMUM AND 0.310 INCHES MAXIMUM IN
Material: PLASTIC PHENOLIC AND PAPER OVERALL
Identification
NSN: 5310-01-308-4270
NIIN: 013084270
FSC: 5310 — Nuts and Washers
FSG: 53 — Hardware and Abrasives
General Description
The Washer,shouldered, cataloged under National Stock Number 5310-01-308-4270, 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8 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 7 items share a part number with this NSN in the catalog (possible match — not a government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
5310-01-308-4270
Item Name
Washer,shouldered
FSC / FSG
5310 / 53 — Nuts and Washers
Status
ACTIVE
Shoulder Height
0.024 INCHES MINIMUM AND 0.030 INCHES MAXIMUM IN
Style Designator
SHOULDERED
Material Document and Classification
L-P-513 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
Outside Diameter
0.495 INCHES MINIMUM AND 0.515 INCHES MAXIMUM IN
Material Thickness
0.057 INCHES MINIMUM AND 0.067 INCHES MAXIMUM IN
Shoulder Diameter
0.300 INCHES MINIMUM AND 0.310 INCHES MAXIMUM IN
Material
PLASTIC PHENOLIC AND PAPER OVERALL
Hole Diameter
0.194 INCHES MINIMUM AND 0.204 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.
5310-01-353-2060POSSIBLE MATCH
WASHER,SHOULDERED
Possible match (shared part number)
5310-01-413-4551POSSIBLE MATCH
WASHER,SHOULDERED
Possible match (shared part number)
5310-01-413-4554POSSIBLE MATCH
WASHER,SHOULDERED
Possible match (shared part number)
5310-01-414-6502POSSIBLE MATCH
WASHER,SHOULDERED
Possible match (shared part number)
5310-01-414-6507POSSIBLE MATCH
WASHER,SHOULDERED
Possible match (shared part number)
5310-01-433-4088POSSIBLE MATCH
WASHER,SHOULDERED
Possible match (shared part number)
5310-01-467-4649POSSIBLE MATCH
WASHER,SHOULDERED
Possible match (shared part number)
Cross-Reference Index
No manufacturer part numbers on file in the U.S. Government catalog.
Reference documents
Reference
Meaning
M45595/8-12P
2/2Government specification standardization
U.S. Government activity
MIL-W-45595/8
4/1Identification reference
U.S. Government activity
Related Parts
5310-01-353-2060POSSIBLE MATCH
WASHER,SHOULDERED
5310-01-413-4551POSSIBLE MATCH
WASHER,SHOULDERED
5310-01-413-4554POSSIBLE MATCH
WASHER,SHOULDERED
5310-01-414-6502POSSIBLE MATCH
WASHER,SHOULDERED
5310-01-414-6507POSSIBLE MATCH
WASHER,SHOULDERED
5310-01-433-4088POSSIBLE MATCH
WASHER,SHOULDERED
5310-01-467-4649POSSIBLE MATCH
WASHER,SHOULDERED
Frequently Asked Questions
What is NSN 5310-01-308-4270?
NSN 5310-01-308-4270 is a Washer,shouldered, classified under FSC 5310, Nuts and Washers. Status: active.
What NSN replaces 5310-01-308-4270?
7 possible matches (shared part number, not a government interchangeability claim): 5310-01-353-2060, 5310-01-413-4551, 5310-01-413-4554. Verify interchangeability with system specifications before substitution.
What are the specifications of 5310-01-308-4270?
Key specifications for 5310-01-308-4270: Shoulder Height: 0.024 INCHES MINIMUM AND 0.030 INCHES MAXIMUM IN; Style Designator: SHOULDERED; Material Document and Classification: L-P-513 FED SPEC SINGLE MATERIAL RESPONSE OVERALL; Outside Diameter: 0.495 INCHES MINIMUM AND 0.515 INCHES MAXIMUM IN. 8 specifications are documented in the U.S. Government catalog.
Is NSN 5310-01-308-4270 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.