PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MIL-DTL-45913/1Nut,self-Locking,hexagon

Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M · NSN 5310-00-575-5329 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-575-5329 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-575-5329. Primary manufacturer part number: MIL-DTL-45913/1.
Features
  • Nut,self-Locking,hexagon — FSC 5310
  • Thread Direction: RIGHT-HAND
  • Nut Height: 0.438 INCHES MINIMUM AND 0.468 INCHES MAXIMUM IN
  • Material: STEEL NUT
  • Temp Rating: 250.0 FAHRENHEIT NOMINAL DEGF
  • Nominal Thread Size: 0.438 INCHES IN
  • Width Across Flats: 0.616 INCHES MINIMUM AND 0.627 INCHES MAXIMUM IN
  • Thread Series: UNIFIED NATIONAL COARSE (UNC)
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Nut construction
General Description

The Nut,self-Locking,hexagon, cataloged under National Stock Number 5310-00-575-5329, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M. Government technical data includes 18 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5310-00-575-5329
Primary Part NumberMIL-DTL-45913/1
Item NameNut,self-Locking,hexagon
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerMilitary Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
StatusCANCELLED
Thread DirectionRIGHT-HAND
Nut Height0.438 INCHES MINIMUM AND 0.468 INCHES MAXIMUM IN
MaterialSTEEL NUT
Temp Rating250.0 FAHRENHEIT NOMINAL DEGF
Nominal Thread Size0.438 INCHES IN
Width Across Flats0.616 INCHES MINIMUM AND 0.627 INCHES MAXIMUM IN
Thread SeriesUNIFIED NATIONAL COARSE (UNC)
Bearing Surface TypeCHAMFERED OR WASHER FACED
Bearing Surface Finish125.0 MICROINCHES
Thread Quantity Per Inch14
LubricationDRY FILM LUBRICANT
Surface Treatment Document and ClassificationQQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL EXCEPT INSERT
MaterialPLASTIC POLYAMIDE NYLON LOCKING INSERT
Nut StyleHEXAGON
Material Document and ClassificationSAE J995, GR 5 ASSN STD SINGLE MATERIAL RESPONSE NUT
Locking FeaturePREVAILING TORQUE WITH NONMETALLIC INSERT
Thread Class2B
Surface TreatmentCADMIUM AND CHROMATE OVERALL EXCEPT INSERT
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
4820-00-224-7835 INTERCHANGEABLE
Valve,safety Relief
3110-00-540-8069273829-133 INTERCHANGEABLE
Bearing,ball,annular
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
5815-00-594-4071SM-B-426841 INTERCHANGEABLE
Blade,function Bail,teletypewrit
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
6515-00-782-2616 INTERCHANGEABLE
Blade,surgical Knife,detachable
4130-00-851-4408378-015 INTERCHANGEABLE
Filter Element,air Conditioning
Tektronix, Inc.
5995-00-930-783810326 INTERCHANGEABLE
Cord Assembly,electrical,branche
Astrocom Electronics Inc
4730-00-962-71471032-6 INTERCHANGEABLE
Coupling Half,quick Disconnect
Safran Electronics & Defense, Avionics Usa, Llc Dba Use CAGE Code 879b2 for Cataloging
3020-01-068-356410326 INTERCHANGEABLE
Gear,spur
Level 10 Industries, Inc. Div Level 10 Industries
5330-01-125-354610326-1 INTERCHANGEABLE
Gasket
Hexco International Dba Acd
3030-01-244-472410326 INTERCHANGEABLE
Belt,v
Contitech Usa, Inc Dba Veyance Technologies
Cross-Reference Index
Part NumberManufacturer
MIL-DTL-45913/1 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
10326 Esna, Llc (USA)
5310005755329 E.c.a Etablissement Centrald'approvisionnement Des Forces Armee
29725-033 Curtiss-Wright Flow Control Service, Llc Dba Engineered Arresting Systems - Esco Div Cw Flow Control Svc Llc Dba (USA)
M45913/1-7CG5C Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
10326 Harvard Industries Inc (USA)
MS51922-25 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
4820-00-224-7835INTERCHANGEABLE
VALVE,SAFETY RELIEF
3110-00-540-8069INTERCHANGEABLE
BEARING,BALL,ANNULAR
273829-133
5815-00-594-4071INTERCHANGEABLE
BLADE,FUNCTION BAIL,TELETYPEWRIT
SM-B-426841
6515-00-782-2616INTERCHANGEABLE
BLADE,SURGICAL KNIFE,DETACHABLE
4130-00-851-4408INTERCHANGEABLE
FILTER ELEMENT,AIR CONDITIONING
378-015
5995-00-930-7838INTERCHANGEABLE
CORD ASSEMBLY,ELECTRICAL,BRANCHE
10326
4730-00-962-7147INTERCHANGEABLE
COUPLING HALF,QUICK DISCONNECT
1032-6
3020-01-068-3564INTERCHANGEABLE
GEAR,SPUR
10326
5330-01-125-3546INTERCHANGEABLE
GASKET
10326-1
3030-01-244-4724INTERCHANGEABLE
BELT,V
10326
4720-01-394-1140INTERCHANGEABLE
HOSE ASSEMBLY,NONMETALLIC
4710-01-503-2613INTERCHANGEABLE
TUBE,BENT,METALLIC
10-326

Frequently Asked Questions

What is NSN 5310-00-575-5329?

NSN 5310-00-575-5329 is a Nut,self-Locking,hexagon, manufactured by Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M, classified under FSC 5310 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5310-00-575-5329?

NSN 5310-00-575-5329 has 7 cross-referenced part numbers: MIL-DTL-45913/1 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 10326 (Esna, Llc), 5310005755329 (E.c.a Etablissement Centrald'approvisionnement Des Forces Armee), 29725-033 (Curtiss-Wright Flow Control Service, Llc Dba Engineered Arresting Systems - Esco Div Cw Flow Control Svc Llc Dba), M45913/1-7CG5C (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M) and 2 more.

What NSN replaces 5310-00-575-5329?

There are 12 known substitutes for 5310-00-575-5329: 4820-00-224-7835, 3110-00-540-8069, 5815-00-594-4071 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MIL-DTL-45913/1?

Key specifications for MIL-DTL-45913/1: Thread Direction: RIGHT-HAND; Nut Height: 0.438 INCHES MINIMUM AND 0.468 INCHES MAXIMUM IN; Material: STEEL NUT; Temp Rating: 250.0 FAHRENHEIT NOMINAL DEGF. 19 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5310-00-575-5329 still in active supply?

NSN 5310-00-575-5329 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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