NSN 5310-01-479-9000 · NIIN 014799000 · Part number 124-1678562 PC 239
Naval Sea Systems Command · FSC 5310 — Nuts and Washers · FSG 53 — Hardware and Abrasives · CAGE 53711
Government record, cited
NSN 5310-01-479-9000 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-479-9000. Manufacturer of record part number: 124-1678562 PC 239.
Also searched as5310-01-479-9000 ·
5310014799000 ·
NIIN 014799000 ·
01-479-9000 ·
FSC 5310 Nuts and Washers · CAGE 53711 · 124-1678562 PC 239 · 124-1678568 PC 19 · 1678562 · 1678568
The Washer,flat, cataloged under National Stock Number 5310-01-479-9000, 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 8 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 6 items share a part number with this NSN in the catalog (possible match — not a government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
5310-01-479-9000
Primary Part Number
124-1678562 PC 239
Item Name
Washer,flat
FSC / FSG
5310 / 53 — Nuts and Washers
Manufacturer
Naval Sea Systems Command
Status
ACTIVE
Surface Finish
125.0 MICROINCHES ALL SURFACES
Overall Diameter
3.500 INCHES NOMINAL IN
Cross-Sectional Shape Style
RECTANGULAR
Peripheral Shape Style
ROUND
Material
COPPER ALLOY OVERALL
Center Hole Shape Style
ROUND
Hole Diameter
1.281 INCHES NOMINAL IN
Thickness
0.109 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 Items6
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
5310-01-480-4752124-1678562 PC 218POSSIBLE MATCH
WASHER,FLAT
Possible match (shared part number)Naval Ship Systems Command
4010-01-480-4968124-1678562 PC 279POSSIBLE MATCH
ROPE,WIRE
Possible match (shared part number)Naval Sea Systems Command
4010-01-480-4970124-1678562 PC 237POSSIBLE MATCH
ROPE,WIRE
Possible match (shared part number)Naval Sea Systems Command
3010-01-480-5305124-1678562 PC 89POSSIBLE MATCH
COUPLING,SHAFT,RIGID
Possible match (shared part number)Naval Sea Systems Command
3040-01-480-5383124-1678562 PC 95POSSIBLE MATCH
COLLAR,SHAFT
Possible match (shared part number)Naval Sea Systems Command
3040-01-480-5427124-1678562 PC 93POSSIBLE MATCH
SHAFT,SHOULDERED
Possible match (shared part number)Naval Sea Systems Command
NSN 5310-01-479-9000 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 5310-01-479-9000?
NSN 5310-01-479-9000 has 2 manufacturer part numbers on file: 124-1678568 PC 19 (Naval Sea Systems Command), 124-1678562 PC 239 (Naval Sea Systems Command).
What NSN replaces 5310-01-479-9000?
6 possible matches (shared part number, not a government interchangeability claim): 5310-01-480-4752, 4010-01-480-4968, 4010-01-480-4970. Verify interchangeability with system specifications before substitution.
What are the specifications of 124-1678562 PC 239?
Key specifications for 124-1678562 PC 239: Surface Finish: 125.0 MICROINCHES ALL SURFACES; Overall Diameter: 3.500 INCHES NOMINAL IN; Cross-Sectional Shape Style: RECTANGULAR; Peripheral Shape Style: ROUND. 8 specifications are documented in the U.S. Government catalog.
Is NSN 5310-01-479-9000 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.