The Nut,self-Locking,hexagon, cataloged under National Stock Number 5310-01-617-1379, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. Government technical data includes 6 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government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
5310-01-617-1379
Item Name
Nut,self-Locking,hexagon
FSC / FSG
5310 / 53 — Nuts and Washers
Status
ACTIVE
Thread Series
UNIFIED NATIONAL COARSE (UNC)
Thread Direction
RIGHT-HAND
Nominal Thread Size
0.375 INCHES IN
Nut Style
HEXAGON
Thread Class
2B
Material
STEEL COMP 1008 NUT
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 Items4
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
5305-01-618-4150803-7525143-42-11POSSIBLE MATCH
SCREW,CAP,HEXAGON HEAD
Possible match (shared part number)Naval Ship Systems Command
5305-01-618-4344803-7525143-42-4POSSIBLE MATCH
SETSCREW
Possible match (shared part number)Naval Ship Systems Command
5305-01-624-0208803-7525143-40-11POSSIBLE MATCH
SCREW,CAP,HEXAGON HEAD
Possible match (shared part number)Naval Ship Systems Command
6695-01-624-1800803-7525143-40-19POSSIBLE MATCH
INDICATOR,POSITION
Possible match (shared part number)Naval Ship Systems Command
Cross-Reference Index
No manufacturer part numbers on file in the U.S. Government catalog.
Reference documents
Reference
Meaning
803-7525143
D/9Drawing number reference only
U.S. Government activity
803-7525143-44-3
3/2Design control — primary reference
U.S. Government activity
Related Parts
5305-01-618-4150POSSIBLE MATCH
SCREW,CAP,HEXAGON HEAD
803-7525143-42-11
5305-01-618-4344POSSIBLE MATCH
SETSCREW
803-7525143-42-4
5305-01-624-0208POSSIBLE MATCH
SCREW,CAP,HEXAGON HEAD
803-7525143-40-11
6695-01-624-1800POSSIBLE MATCH
INDICATOR,POSITION
803-7525143-40-19
Frequently Asked Questions
What is NSN 5310-01-617-1379?
NSN 5310-01-617-1379 is a Nut,self-Locking,hexagon, classified under FSC 5310, Nuts and Washers. Status: active.
What NSN replaces 5310-01-617-1379?
4 possible matches (shared part number, not a government interchangeability claim): 5305-01-618-4150, 5305-01-618-4344, 5305-01-624-0208. Verify interchangeability with system specifications before substitution.
What are the specifications of 5310-01-617-1379?
Key specifications for 5310-01-617-1379: Thread Series: UNIFIED NATIONAL COARSE (UNC); Thread Direction: RIGHT-HAND; Nominal Thread Size: 0.375 INCHES IN; Part Name Assigned by Controlling Agency: LOCKNUT. 6 specifications are documented in the U.S. Government catalog.
Is NSN 5310-01-617-1379 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.