PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

126012Nut,self-Locking,hexagon

General Motors Corp · NSN 5310-00-045-1013 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-045-1013 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-045-1013. Primary manufacturer part number: 126012.
Features
  • Nut,self-Locking,hexagon — FSC 5310
  • Nut Height: 0.375 INCHES NOMINAL IN
  • Surface Treatment: CADMIUM OR ZINC OVERALL
  • Bearing Surface Type: CHAMFERED
  • Nominal Thread Size: 0.438 INCHES IN
  • Thread Quantity Per Inch: 14
  • Thread Series: UNIFIED NATIONAL COARSE (UNC)
  • Locking Feature: FREE-RUNNING ALL METAL DESIGN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Overall construction
General Description

The Nut,self-Locking,hexagon, cataloged under National Stock Number 5310-00-045-1013, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is General Motors Corp. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-00-045-1013
Primary Part Number126012
Item NameNut,self-Locking,hexagon
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerGeneral Motors Corp
StatusACTIVE
Nut Height0.375 INCHES NOMINAL IN
Surface TreatmentCADMIUM OR ZINC OVERALL
Bearing Surface TypeCHAMFERED
Nominal Thread Size0.438 INCHES IN
Thread Quantity Per Inch14
Thread SeriesUNIFIED NATIONAL COARSE (UNC)
Locking FeatureFREE-RUNNING ALL METAL DESIGN
Thread DirectionRIGHT-HAND
Material Document and ClassificationQQ-S-634 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
Thread Class2B
MaterialSTEEL OVERALL
Width Across Flats0.625 INCHES NOMINAL IN
Nut StyleHEXAGON
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
4820-00-136-108510596LC 1/2 INTERCHANGEABLE
Cock,plug
Mc Donald a Y Mfg Co
5935-00-814-4916100428 INTERCHANGEABLE
Connector,receptacle,electrical
Sypris Electronics, Llc Div Sypris Electronics, Llc - Colorado Field Services
5985-01-020-6955582R356H02 INTERCHANGEABLE
Waveguide Assembly
Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp
3040-01-298-4242000-45101-0003 INTERCHANGEABLE
Control Assembly,push-Pull
Orscheln Products L.l.c.
5950-01-311-36123013889-2 INTERCHANGEABLE
Reactor
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
5310-01-408-8554126012 INTERCHANGEABLE
Nut,plain,hexagon
Brp Us Inc
Cross-Reference Index
Part NumberManufacturer
126012 General Motors Corp (USA)
451013 Army Weapons Command Attn Amswe-Ree-S (USA)
451013 General Motors Corp (USA)
22NM074 Harvard Industries Inc (USA)
126012 Chrysler Realty Company Llc Dba Daimler Chrysler (USA)
Related Parts
4820-00-136-1085INTERCHANGEABLE
COCK,PLUG
10596LC 1/2
5935-00-814-4916INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
100428
5985-01-020-6955INTERCHANGEABLE
WAVEGUIDE ASSEMBLY
582R356H02
3040-01-298-4242INTERCHANGEABLE
CONTROL ASSEMBLY,PUSH-PULL
000-45101-0003
5950-01-311-3612INTERCHANGEABLE
REACTOR
3013889-2
5310-01-408-8554INTERCHANGEABLE
NUT,PLAIN,HEXAGON
126012

Frequently Asked Questions

What is NSN 5310-00-045-1013?

NSN 5310-00-045-1013 is a Nut,self-Locking,hexagon, manufactured by General Motors Corp, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-045-1013?

NSN 5310-00-045-1013 has 5 cross-referenced part numbers: 126012 (General Motors Corp), 451013 (Army Weapons Command Attn Amswe-Ree-S), 451013 (General Motors Corp), 22NM074 (Harvard Industries Inc), 126012 (Chrysler Realty Company Llc Dba Daimler Chrysler).

What NSN replaces 5310-00-045-1013?

There are 6 known substitutes for 5310-00-045-1013: 4820-00-136-1085, 5935-00-814-4916, 5985-01-020-6955 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 126012?

Key specifications for 126012: Nut Height: 0.375 INCHES NOMINAL IN; Surface Treatment: CADMIUM OR ZINC OVERALL; Bearing Surface Type: CHAMFERED; Nominal Thread Size: 0.438 INCHES IN. 13 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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