NSN 5310-01-481-5202 · NIIN 014815202 · Part number 122-5277671 ITEM 22
Naval Sea Systems Command · FSC 5310 — Nuts and Washers · FSG 53 — Hardware and Abrasives · CAGE 53711
Government record, cited
NSN 5310-01-481-5202 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-481-5202. Manufacturer of record part number: 122-5277671 ITEM 22.
Also searched as5310-01-481-5202 ·
5310014815202 ·
NIIN 014815202 ·
01-481-5202 ·
FSC 5310 Nuts and Washers · CAGE 53711 · 122-5277671 ITEM 22 · 5277671
Material Document and Classification: QQ-C-00465,C642000 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
Cross-Sectional Shape Style: RECTANGULAR
Peripheral Shape Style: ROUND
Material: COPPER ALLOY 642 OVERALL
Identification
NSN: 5310-01-481-5202
NIIN: 014815202
FSC: 5310 — Nuts and Washers
FSG: 53 — Hardware and Abrasives
Primary part number: 122-5277671 ITEM 22
Manufacturer: Naval Sea Systems Command
General Description
The Washer,flat, cataloged under National Stock Number 5310-01-481-5202, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 10 specifications, cited from the U.S. Government catalog. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 10 items share a part number with this NSN in the catalog (possible match — not a government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
5310-01-481-5202
Primary Part Number
122-5277671 ITEM 22
Item Name
Washer,flat
FSC / FSG
5310 / 53 — Nuts and Washers
Manufacturer
Naval Sea Systems Command
Status
ACTIVE
Surface Finish
125.0 MICROINCHES BOTTOM
Surface Finish
125.0 MICROINCHES TOP
Overall Diameter
2.500 INCHES NOMINAL IN
Material Document and Classification
QQ-C-00465,C642000 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
Cross-Sectional Shape Style
RECTANGULAR
Peripheral Shape Style
ROUND
Material
COPPER ALLOY 642 OVERALL
Center Hole Shape Style
ROUND
Hole Diameter
0.753 INCHES NOMINAL IN
Thickness
0.060 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 Items10
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
5310-01-481-5203122-5277671 ITEM 21POSSIBLE MATCH
WASHER,FLAT
Possible match (shared part number)Naval Sea Systems Command
5310-01-481-5207122-5277671 ITEM 20POSSIBLE MATCH
WASHER,FLAT
Possible match (shared part number)Naval Sea Systems Command
3040-01-482-0102122-5277671 ITEM 8POSSIBLE MATCH
SPINDLE,MECHANICALLY ACTUATED
Possible match (shared part number)Naval Sea Systems Command
3040-01-482-1067122-5277671 ITEM 6POSSIBLE MATCH
SPINDLE,MECHANICALLY ACTUATED
Possible match (shared part number)Naval Sea Systems Command
2040-01-482-1544122-5277671 ITEM 14POSSIBLE MATCH
DOG,DOOR,MARINE
Possible match (shared part number)Naval Sea Systems Command
2040-01-482-1548122-5277671 ITEM 16POSSIBLE MATCH
DOG,DOOR,MARINE
Possible match (shared part number)Naval Sea Systems Command
2040-01-482-1552122-5277671 ITEM 13POSSIBLE MATCH
DOG,DOOR,MARINE
Possible match (shared part number)Naval Sea Systems Command
2040-01-482-1670122-5277671 ITEM 15POSSIBLE MATCH
DOG,DOOR,MARINE
Possible match (shared part number)Naval Sea Systems Command
2040-01-482-1708122-5277671 ITEM 17POSSIBLE MATCH
DOG,DOOR,MARINE
Possible match (shared part number)Naval Sea Systems Command
2040-01-482-8721122-5277671 ITEM 12POSSIBLE MATCH
DOG,DOOR,MARINE
Possible match (shared part number)Naval Sea Systems Command
NSN 5310-01-481-5202 is a Washer,flat, manufactured by Naval Sea Systems Command, classified under FSC 5310, Nuts and Washers. Status: active.
What part numbers are listed for NSN 5310-01-481-5202?
NSN 5310-01-481-5202 has 1 manufacturer part number on file: 122-5277671 ITEM 22 (Naval Sea Systems Command).
What NSN replaces 5310-01-481-5202?
10 possible matches (shared part number, not a government interchangeability claim): 5310-01-481-5203, 5310-01-481-5207, 3040-01-482-0102. Verify interchangeability with system specifications before substitution.
What are the specifications of 122-5277671 ITEM 22?
Key specifications for 122-5277671 ITEM 22: Surface Finish: 125.0 MICROINCHES BOTTOM; Surface Finish: 125.0 MICROINCHES TOP; Overall Diameter: 2.500 INCHES NOMINAL IN; Material Document and Classification: QQ-C-00465,C642000 FED SPEC SINGLE MATERIAL RESPONSE OVERALL. 10 specifications are documented in the U.S. Government catalog.
Is NSN 5310-01-481-5202 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.