FSC 5310 — Nuts and Washers · FSG 53 — Hardware and Abrasives
Government record, cited
Also searched as5310-01-682-4090 ·
5310016824090 ·
NIIN 016824090 ·
01-682-4090 ·
FSC 5310 Nuts and Washers · 803-5184144 REV A PC NO 63 · 803-5184144 · M1222N1X8C20SCNN
Width Across Flats: 0.736 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN
Thread Series: UNIFIED NATIONAL COARSE (UNC)
Thread Direction: RIGHT-HAND
Nominal Thread Size: 0.500 INCHES IN
Nut Height: 0.427 INCHES MINIMUM AND 0.448 INCHES MAXIMUM IN
Nut Style: HEXAGON
Thread Class: 2B
Identification
NSN: 5310-01-682-4090
NIIN: 016824090
FSC: 5310 — Nuts and Washers
FSG: 53 — Hardware and Abrasives
General Description
The Nut,plain,hexagon, cataloged under National Stock Number 5310-01-682-4090, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. Government technical data includes 10 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 7 items share a part number with this NSN in the catalog (possible match — not a government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
5310-01-682-4090
Item Name
Nut,plain,hexagon
FSC / FSG
5310 / 53 — Nuts and Washers
Status
ACTIVE
Width Across Flats
0.736 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN
Thread Series
UNIFIED NATIONAL COARSE (UNC)
Thread Direction
RIGHT-HAND
Nominal Thread Size
0.500 INCHES IN
Nut Height
0.427 INCHES MINIMUM AND 0.448 INCHES MAXIMUM IN
Nut Style
HEXAGON
Thread Class
2B
Thread Quantity Per Inch
13
Material
STEEL COMP 316 OVERALL
Bearing Surface Type
CHAMFERED OR FLAT OR UNFINISHED OR WASHER FACED
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.
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
Cross-Reference Index
No manufacturer part numbers on file in the U.S. Government catalog.
Reference documents
Reference
Meaning
803-5184144 REV A PC NO 63
5/1Secondary reference
Naval Sea Systems Command
803-5184144
D/9Drawing number reference only
Naval Sea Systems Command
M1222N1X8C20SCNN
2/2Government specification standardization
U.S. Government activity
Related Parts
5340-01-682-6984POSSIBLE MATCH
RETAINER,HELICAL COMPRESSION SPR
803-5184144 REV A PC NO 60
5340-01-682-8631POSSIBLE MATCH
HANDLE,BOW
803-5184144 REV A PC NO. 42
5365-01-682-8954POSSIBLE MATCH
SPACER,SLEEVE
803-5184144 REV A PC NO. 61
5340-01-682-9055POSSIBLE MATCH
BRACKET,MOUNTING
803-5184144 REV A PC NO. 34
5340-01-682-9057POSSIBLE MATCH
BRACKET,MOUNTING
803-5184144 REV A PC NO. 35
5360-01-682-9131POSSIBLE MATCH
SPRING,HELICAL,TORSION
803-5184144 REV A PC NO. 59
5340-01-682-9288POSSIBLE MATCH
PLATE,MOUNTING
803-5184146 REV A PC NO. 10
Frequently Asked Questions
What is NSN 5310-01-682-4090?
NSN 5310-01-682-4090 is a Nut,plain,hexagon, classified under FSC 5310, Nuts and Washers. Status: active.
What NSN replaces 5310-01-682-4090?
7 possible matches (shared part number, not a government interchangeability claim): 5340-01-682-6984, 5340-01-682-8631, 5365-01-682-8954. Verify interchangeability with system specifications before substitution.
What are the specifications of 5310-01-682-4090?
Key specifications for 5310-01-682-4090: Width Across Flats: 0.736 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN; Thread Series: UNIFIED NATIONAL COARSE (UNC); Thread Direction: RIGHT-HAND; Nominal Thread Size: 0.500 INCHES IN. 10 specifications are documented in the U.S. Government catalog.
Is NSN 5310-01-682-4090 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.