Locking Feature: PREVAILING TORQUE ALL METAL DESIGN
Nut Style: WING
Identification
NSN: 5310-00-014-1256
NIIN: 000141256
FSC: 5310 — Nuts and Washers
FSG: 53 — Hardware and Abrasives
General Description
The Nut,self-Locking,wing, cataloged under National Stock Number 5310-00-014-1256, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. Government technical data includes 11 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 6 items share a part number with this NSN in the catalog (possible match — not a government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
5310-00-014-1256
Item Name
Nut,self-Locking,wing
FSC / FSG
5310 / 53 — Nuts and Washers
Status
ACTIVE
Body Diameter
1.000 INCHES NOMINAL IN
Thread Series
UNIFIED NATIONAL COARSE (UNC)
Thread Length
0.812 INCHES NOMINAL IN
Thread Direction
RIGHT-HAND
Nominal Thread Size
0.500 INCHES IN
Locking Feature
PREVAILING TORQUE ALL METAL DESIGN
Nut Style
WING
Thread Class
2B
Thread Quantity Per Inch
13
Material
STEEL OVERALL
Wing Spread Width
3.000 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.
5340-00-597-9463132716POSSIBLE MATCH
PLUG,PROTECTIVE,DUST AND MOISTUR
Possible match (shared part number)Honeywell International Inc Div Aerospace-South Bend (bendix Dr)
4920-00-625-3782POSSIBLE MATCH
PUMP END ASSY
Possible match (shared part number)
5310-01-223-6545E-222 PIECE 10POSSIBLE MATCH
NUT,SPECIAL
Possible match (shared part number)Clark-Reliance Llc Dba Jerguson Gage & Valve
5365-01-305-7092JMS-2824POSSIBLE MATCH
BUSHING,MACHINE THREAD
Possible match (shared part number)Clark-Reliance Llc Dba Jerguson Gage & Valve
5985-01-423-8340P345POSSIBLE MATCH
WAVEGUIDE
Possible match (shared part number)Maury Microwave, Inc. Dba Maury Microwave
5330-01-615-2255P-3-4-5POSSIBLE MATCH
SEAL,PLAIN
Possible match (shared part number)Bird-Johnson Propeller Company, Llc
Cross-Reference Index
No manufacturer part numbers on file in the U.S. Government catalog.
Reference documents
Reference
Meaning
P345
3/2Design control — primary reference
U.S. Government activity
Related Parts
5340-00-597-9463POSSIBLE MATCH
PLUG,PROTECTIVE,DUST AND MOISTUR
132716
4920-00-625-3782POSSIBLE MATCH
PUMP END ASSY
5310-01-223-6545POSSIBLE MATCH
NUT,SPECIAL
E-222 PIECE 10
5365-01-305-7092POSSIBLE MATCH
BUSHING,MACHINE THREAD
JMS-2824
5985-01-423-8340POSSIBLE MATCH
WAVEGUIDE
P345
5330-01-615-2255POSSIBLE MATCH
SEAL,PLAIN
P-3-4-5
Frequently Asked Questions
What is NSN 5310-00-014-1256?
NSN 5310-00-014-1256 is a Nut,self-Locking,wing, classified under FSC 5310, Nuts and Washers. Status: active.
What NSN replaces 5310-00-014-1256?
6 possible matches (shared part number, not a government interchangeability claim): 5340-00-597-9463, 4920-00-625-3782, 5310-01-223-6545. Verify interchangeability with system specifications before substitution.
What are the specifications of 5310-00-014-1256?
Key specifications for 5310-00-014-1256: Body Diameter: 1.000 INCHES NOMINAL IN; Overall Height: 1.312 INCHES NOMINAL IN; Thread Series: UNIFIED NATIONAL COARSE (UNC); Thread Length: 0.812 INCHES NOMINAL IN. 11 specifications are documented in the U.S. Government catalog.
Is NSN 5310-00-014-1256 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.