PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1137-720Nut,self-Locking,hexagon

Naval Air Warfare Center Aircraft Division Joint Base Jbmdl · NSN 5310-00-497-3891 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-497-3891 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-497-3891. Primary manufacturer part number: 1137-720.
Features
  • Nut,self-Locking,hexagon — FSC 5310
  • Temp Rating: 250.0 FAHRENHEIT NOMINAL DEGF
  • Thread Direction: RIGHT-HAND
  • Nut Style: HEXAGON
  • Thread Series: UNF
  • Nominal Thread Size: 0.438 INCHES IN
  • Bearing Surface Type: FLAT
  • Locking Feature: PREVAILING TORQUE WITH NONMETALLIC INSERT
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 5310-00-497-3891, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Naval Air Warfare Center Aircraft Division Joint Base Jbmdl. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 13 commercial cross-references from 13 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5310-00-497-3891
Primary Part Number1137-720
Item NameNut,self-Locking,hexagon
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerNaval Air Warfare Center Aircraft Division Joint Base Jbmdl
StatusCANCELLED
Temp Rating250.0 FAHRENHEIT NOMINAL DEGF
Thread DirectionRIGHT-HAND
Nut StyleHEXAGON
Thread SeriesUNF
Nominal Thread Size0.438 INCHES IN
Bearing Surface TypeFLAT
Locking FeaturePREVAILING TORQUE WITH NONMETALLIC INSERT
Thread Class3B
Width Across Flats0.625 INCHES NOMINAL IN
Surface TreatmentCADMIUM OR ZINC OVERALL
MaterialSTEEL OVERALL
Nut Height0.453 INCHES NOMINAL IN
Thread Quantity Per Inch20
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 3
5310-00-088-0552MS21044N7 INTERCHANGEABLE
Nut,self-Locking,hexagon
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
3110-00-144-8971268374-5 INTERCHANGEABLE
Bearing,ball,annular
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
5961-01-073-7094C3-28 INTERCHANGEABLE
Transistor
Varian Associates Inc Communications Transistor Div
Cross-Reference Index
Part NumberManufacturer
1137-720 Naval Air Warfare Center Aircraft Division Joint Base Jbmdl (USA)
A22301-7 Modern Manufacturing, Inc. (USA)
52NE070 Harvard Industries Inc (USA)
69509-46 Hamilton Sundstrand Corporation Dba Collins Aerospace (USA)
C-328 Mt-Propeller Gerd Muehlbauer Gmbh (DEU)
12Z2007-205 Naval Ordnance Standards (USA)
12Z2007-205 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
MILN25027 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MS20365-720A Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
67MAP1 Linde Lift Truck Corp. (USA)
67MAP1 Linde Material Handling North America Corporation (USA)
AN365-720A Aeronautical Standards Group Dept of Navy and Air Force (USA)
MEP-00010120 Safran Electronics & Defense (FRA)
Related Parts
5310-00-088-0552INTERCHANGEABLE
NUT,SELF-LOCKING,HEXAGON
MS21044N7
3110-00-144-8971INTERCHANGEABLE
BEARING,BALL,ANNULAR
268374-5
5961-01-073-7094INTERCHANGEABLE
TRANSISTOR
C3-28

Frequently Asked Questions

What is NSN 5310-00-497-3891?

NSN 5310-00-497-3891 is a Nut,self-Locking,hexagon, manufactured by Naval Air Warfare Center Aircraft Division Joint Base Jbmdl, classified under FSC 5310 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5310-00-497-3891?

NSN 5310-00-497-3891 has 13 cross-referenced part numbers: 1137-720 (Naval Air Warfare Center Aircraft Division Joint Base Jbmdl), A22301-7 (Modern Manufacturing, Inc.), 52NE070 (Harvard Industries Inc), 69509-46 (Hamilton Sundstrand Corporation Dba Collins Aerospace), C-328 (Mt-Propeller Gerd Muehlbauer Gmbh) and 8 more.

What NSN replaces 5310-00-497-3891?

There are 3 known substitutes for 5310-00-497-3891: 5310-00-088-0552, 3110-00-144-8971, 5961-01-073-7094. Verify interchangeability with system specifications before substitution.

What are the specifications of 1137-720?

Key specifications for 1137-720: Temp Rating: 250.0 FAHRENHEIT NOMINAL DEGF; Thread Direction: RIGHT-HAND; Nut Style: HEXAGON; Thread Series: UNF. 13 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5310-00-497-3891 still in active supply?

NSN 5310-00-497-3891 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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