PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

12387349-33Nut,self-Locking,hexagon

U S Army Tank Automotive Command Amsta-Im-Mm · NSN 5310-01-545-3173 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-01-545-3173 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-545-3173. Primary manufacturer part number: 12387349-33.
Features
  • Nut,self-Locking,hexagon — FSC 5310
  • Nominal Thread Size: 0.312 INCHES IN
  • Thread Direction: RIGHT-HAND
  • Material: STEEL OVERALL
  • Nut Style: HEXAGON
  • Thread Quantity Per Inch: 18
  • 2 verified cross-references
  • Primary manufacturer: U S Army Tank Automotive Command Amsta-Im-Mm
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 5310-01-545-3173, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is U S Army Tank Automotive Command Amsta-Im-Mm. Government technical data includes 5 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. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-01-545-3173
Primary Part Number12387349-33
Item NameNut,self-Locking,hexagon
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerU S Army Tank Automotive Command Amsta-Im-Mm
StatusACTIVE
Nominal Thread Size0.312 INCHES IN
Thread DirectionRIGHT-HAND
MaterialSTEEL OVERALL
Nut StyleHEXAGON
Thread Quantity Per Inch18
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
5310-00-340-4953 INTERCHANGEABLE
Nut,self-Locking,hexagon
5310-00-814-0672 INTERCHANGEABLE
Nut,self-Locking,hexagon
5310-01-137-7062 INTERCHANGEABLE
Nut,self-Locking,hexagon
5310-01-249-0904 INTERCHANGEABLE
Nut,self-Locking,hexagon
5310-01-501-3086 INTERCHANGEABLE
Nut,self-Locking,hexagon
5310-01-501-3090 INTERCHANGEABLE
Nut,self-Locking,hexagon
5310-01-505-0239 INTERCHANGEABLE
Nut,self-Locking,hexagon
5310-01-522-0301 INTERCHANGEABLE
Nut,self-Locking,hexagon
4820-01-529-2488PX11337 INTERCHANGEABLE
Valve,regulating,fluid Pressure
Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic
Cross-Reference Index
Part NumberManufacturer
MIL-DTL-45913/3 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
12387349-33 PRIMARY U S Army Tank Automotive Command Amsta-Im-Mm (USA)
Related Parts
5310-00-340-4953INTERCHANGEABLE
NUT,SELF-LOCKING,HEXAGON
5310-00-814-0672INTERCHANGEABLE
NUT,SELF-LOCKING,HEXAGON
5310-01-137-7062INTERCHANGEABLE
NUT,SELF-LOCKING,HEXAGON
5310-01-249-0904INTERCHANGEABLE
NUT,SELF-LOCKING,HEXAGON
5310-01-501-3086INTERCHANGEABLE
NUT,SELF-LOCKING,HEXAGON
5310-01-501-3090INTERCHANGEABLE
NUT,SELF-LOCKING,HEXAGON
5310-01-505-0239INTERCHANGEABLE
NUT,SELF-LOCKING,HEXAGON
5310-01-522-0301INTERCHANGEABLE
NUT,SELF-LOCKING,HEXAGON
4820-01-529-2488INTERCHANGEABLE
VALVE,REGULATING,FLUID PRESSURE
PX11337

Frequently Asked Questions

What is NSN 5310-01-545-3173?

NSN 5310-01-545-3173 is a Nut,self-Locking,hexagon, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-01-545-3173?

NSN 5310-01-545-3173 has 2 cross-referenced part numbers: MIL-DTL-45913/3 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), 12387349-33 (U S Army Tank Automotive Command Amsta-Im-Mm).

What NSN replaces 5310-01-545-3173?

There are 9 known substitutes for 5310-01-545-3173: 5310-00-340-4953, 5310-00-814-0672, 5310-01-137-7062 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 12387349-33?

Key specifications for 12387349-33: Nominal Thread Size: 0.312 INCHES IN; Thread Direction: RIGHT-HAND; Material: STEEL OVERALL; Nut Style: HEXAGON. 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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