PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

AN121507Nut,plain,hexagon

Air Force-Navy Aeronautical Specifications Promulgated by Aeronautical Standards Group · NSN 5310-00-268-6038 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-268-6038 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-268-6038. Primary manufacturer part number: AN121507.
Features
  • Nut,plain,hexagon — FSC 5310
  • Thread Direction: RIGHT-HAND
  • Nut Height: 0.474 INCHES MINIMUM AND 0.494 INCHES MAXIMUM IN
  • Thread Quantity Per Inch: 18
  • Hardness Rating: 19.0 ROCKWELL C MINIMUM AND 26.0 ROCKWELL C MAXIMUM
  • Thread Series: UNF
  • Nominal Thread Size: 0.562 INCHES IN
  • Material: STEEL COMP 8740 OVERALL
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Comp 8740 Overall construction
General Description

The Nut,plain,hexagon, cataloged under National Stock Number 5310-00-268-6038, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Air Force-Navy Aeronautical Specifications Promulgated by Aeronautical Standards Group. Government technical data includes 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 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
NSN5310-00-268-6038
Primary Part NumberAN121507
Item NameNut,plain,hexagon
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerAir Force-Navy Aeronautical Specifications Promulgated by Aeronautical Standards Group
StatusACTIVE
Thread DirectionRIGHT-HAND
Nut Height0.474 INCHES MINIMUM AND 0.494 INCHES MAXIMUM IN
Thread Quantity Per Inch18
Hardness Rating19.0 ROCKWELL C MINIMUM AND 26.0 ROCKWELL C MAXIMUM
Thread SeriesUNF
Nominal Thread Size0.562 INCHES IN
MaterialSTEEL COMP 8740 OVERALL
Width Across Flats0.865 INCHES MINIMUM AND 0.877 INCHES MAXIMUM IN
Surface Treatment Document and ClassificationAMS 2400 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
Bearing Surface Finish63.0 MICROINCHES
Nut StyleHEXAGON
Surface TreatmentCADMIUM OVERALL
Bearing Surface TypeWASHER FACED
Countersink Angle85.0 DEGREES MINIMUM AND 95.0 DEGREES MAXIMUM NUT
Material Document and ClassificationAMS 6322 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Thread Class3B
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5306-00-523-31405233140 INTERCHANGEABLE
Bolt,square Neck
U S Army Tank Automotive Command Amsta-Im-Mm
4310-00-657-6783 INTERCHANGEABLE
Clamp,cowl
3040-00-942-145725695 INTERCHANGEABLE
Shaft Assy,actuator
Aerocontrolex Group, Inc. Div Talley Actuators
3020-00-991-7076H2410L INTERCHANGEABLE
Gear,helical
Altra Industrial Motion Corp.
Cross-Reference Index
Part NumberManufacturer
AN121507 Air Force-Navy Aeronautical Specifications Promulgated by Aeronautical Standards Group
25695 Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp. (CAN)
Related Parts
5306-00-523-3140INTERCHANGEABLE
BOLT,SQUARE NECK
5233140
4310-00-657-6783INTERCHANGEABLE
CLAMP,COWL
3040-00-942-1457INTERCHANGEABLE
SHAFT ASSY,ACTUATOR
25695
3020-00-991-7076INTERCHANGEABLE
GEAR,HELICAL
H2410L

Frequently Asked Questions

What is NSN 5310-00-268-6038?

NSN 5310-00-268-6038 is a Nut,plain,hexagon, manufactured by Air Force-Navy Aeronautical Specifications Promulgated by Aeronautical Standards Group, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-268-6038?

NSN 5310-00-268-6038 has 2 cross-referenced part numbers: AN121507 (Air Force-Navy Aeronautical Specifications Promulgated by Aeronautical Standards Group), 25695 (Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.).

What NSN replaces 5310-00-268-6038?

There are 4 known substitutes for 5310-00-268-6038: 5306-00-523-3140, 4310-00-657-6783, 3040-00-942-1457 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of AN121507?

Key specifications for AN121507: Thread Direction: RIGHT-HAND; Nut Height: 0.474 INCHES MINIMUM AND 0.494 INCHES MAXIMUM IN; Thread Quantity Per Inch: 18; Hardness Rating: 19.0 ROCKWELL C MINIMUM AND 26.0 ROCKWELL C MAXIMUM. 16 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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