PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

H14-3Nut,self-Locking,hexagon

Howmet Global Fastening Systems Inc · NSN 5310-01-537-7079 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-01-537-7079 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-537-7079. Primary manufacturer part number: H14-3.
Features
  • Nut,self-Locking,hexagon — FSC 5310
  • Bearing Surface Type: CHAMFERED
  • Thread Quantity Per Inch: 13
  • Nominal Thread Size: 0.500 INCHES IN
  • Material: STEEL CORROSION RESISTING OVERALL
  • Locking Feature: PREVAILING TORQUE WITH NONMETALLIC INSERT
  • Thread Direction: RIGHT-HAND
  • 3 verified cross-references
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Corrosion Resisting Overall construction
General Description

The Nut,self-Locking,hexagon, cataloged under National Stock Number 5310-01-537-7079, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Howmet Global Fastening Systems Inc. Government technical data includes 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-01-537-7079
Primary Part NumberH14-3
Item NameNut,self-Locking,hexagon
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerHowmet Global Fastening Systems Inc
StatusACTIVE
Bearing Surface TypeCHAMFERED
Thread Quantity Per Inch13
Nominal Thread Size0.500 INCHES IN
MaterialSTEEL CORROSION RESISTING OVERALL
Locking FeaturePREVAILING TORQUE WITH NONMETALLIC INSERT
Thread DirectionRIGHT-HAND
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5950-00-588-565527V69 INTERCHANGEABLE
Transformer,power
Thordarson Inc
5310-00-807-1474MS21042L3 INTERCHANGEABLE
Nut,self-Locking,extended Washer
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5360-00-890-2940H143 INTERCHANGEABLE
Spring,helical,compression
Uhan Bros P O Box 264 Wellston Mi 49689
5955-01-147-9114277-0547-010 INTERCHANGEABLE
Oscillator,crystal Controlled
Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems
Cross-Reference Index
Part NumberManufacturer
H14-3 Leonardo Spa Aeronautics Division - Pomigliano D'arco Site (ITA)
H14-3 PRIMARY Howmet Global Fastening Systems Inc (USA)
H143 PRIMARY Lifesaving Systems Llc (USA)
Related Parts
5950-00-588-5655INTERCHANGEABLE
TRANSFORMER,POWER
27V69
5310-00-807-1474INTERCHANGEABLE
NUT,SELF-LOCKING,EXTENDED WASHER
MS21042L3
5360-00-890-2940INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
H143
5955-01-147-9114INTERCHANGEABLE
OSCILLATOR,CRYSTAL CONTROLLED
277-0547-010

Frequently Asked Questions

What is NSN 5310-01-537-7079?

NSN 5310-01-537-7079 is a Nut,self-Locking,hexagon, manufactured by Howmet Global Fastening Systems Inc, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-01-537-7079?

NSN 5310-01-537-7079 has 3 cross-referenced part numbers: H14-3 (Leonardo Spa Aeronautics Division - Pomigliano D'arco Site), H14-3 (Howmet Global Fastening Systems Inc), H143 (Lifesaving Systems Llc).

What NSN replaces 5310-01-537-7079?

There are 4 known substitutes for 5310-01-537-7079: 5950-00-588-5655, 5310-00-807-1474, 5360-00-890-2940 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of H14-3?

Key specifications for H14-3: Bearing Surface Type: CHAMFERED; Thread Quantity Per Inch: 13; Nominal Thread Size: 0.500 INCHES IN; Material: STEEL CORROSION RESISTING OVERALL. 6 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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