NSN 5310-01-682-4040 · NIIN 016824040 · Part number 803-5184144 REV A PC 40
Naval Sea Systems Command · FSC 5310 — Nuts and Washers · FSG 53 — Hardware and Abrasives · CAGE 53711
Government record, cited
NSN 5310-01-682-4040 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-682-4040. Manufacturer of record part number: 803-5184144 REV A PC 40.
Also searched as5310-01-682-4040 ·
5310016824040 ·
NIIN 016824040 ·
01-682-4040 ·
FSC 5310 Nuts and Washers · CAGE 53711 · 803-5184144 REV A PC 40 · 803-5184144
The Washer,flat, cataloged under National Stock Number 5310-01-682-4040, 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 7 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 9 items share a part number with this NSN in the catalog (possible match — not a government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
5310-01-682-4040
Primary Part Number
803-5184144 REV A PC 40
Item Name
Washer,flat
FSC / FSG
5310 / 53 — Nuts and Washers
Manufacturer
Naval Sea Systems Command
Status
ACTIVE
Overall Diameter
1.250 INCHES NOMINAL IN
Cross-Sectional Shape Style
BLANK RECTANGULAR
Peripheral Shape Style
ROUND
Material
COPPER ALLOY 464 OVERALL
Center Hole Shape Style
ROUND
Hole Diameter
0.594 INCHES NOMINAL IN
Thickness
0.125 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 Items9
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
5306-01-682-4055803-5184144 REV A PC NO 62POSSIBLE MATCH
BOLT,MACHINE
Possible match (shared part number)Naval Sea Systems Command
5310-01-682-4090POSSIBLE MATCH
NUT,PLAIN,HEXAGON
Possible match (shared part number)
5340-01-682-6984803-5184144 REV A PC NO 60POSSIBLE MATCH
RETAINER,HELICAL COMPRESSION SPR
Possible match (shared part number)Naval Sea Systems Command
5340-01-682-8631803-5184144 REV A PC NO. 42POSSIBLE MATCH
HANDLE,BOW
Possible match (shared part number)Naval Sea Systems Command
5365-01-682-8954803-5184144 REV A PC NO. 61POSSIBLE MATCH
SPACER,SLEEVE
Possible match (shared part number)Naval Sea Systems Command
5340-01-682-9055803-5184144 REV A PC NO. 34POSSIBLE MATCH
BRACKET,MOUNTING
Possible match (shared part number)Naval Sea Systems Command
5340-01-682-9057803-5184144 REV A PC NO. 35POSSIBLE MATCH
BRACKET,MOUNTING
Possible match (shared part number)Naval Sea Systems Command
5360-01-682-9131803-5184144 REV A PC NO. 59POSSIBLE MATCH
SPRING,HELICAL,TORSION
Possible match (shared part number)Naval Sea Systems Command
5340-01-682-9288803-5184146 REV A PC NO. 10POSSIBLE MATCH
PLATE,MOUNTING
Possible match (shared part number)Naval Sea Systems Command
NSN 5310-01-682-4040 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 5310-01-682-4040?
NSN 5310-01-682-4040 has 1 manufacturer part number on file: 803-5184144 REV A PC 40 (Naval Sea Systems Command).
What NSN replaces 5310-01-682-4040?
9 possible matches (shared part number, not a government interchangeability claim): 5306-01-682-4055, 5310-01-682-4090, 5340-01-682-6984. Verify interchangeability with system specifications before substitution.
What are the specifications of 803-5184144 REV A PC 40?
Key specifications for 803-5184144 REV A PC 40: Overall Diameter: 1.250 INCHES NOMINAL IN; Cross-Sectional Shape Style: BLANK RECTANGULAR; Peripheral Shape Style: ROUND; Part Name Assigned by Controlling Agency: WASHER. 7 specifications are documented in the U.S. Government catalog.
Is NSN 5310-01-682-4040 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.