PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

FFB571TYPEANut,plain,hexagon

Federal Specifications Promulgated by General Services Administration Washington DC · NSN 5310-00-017-9137 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-017-9137 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-017-9137. Primary manufacturer part number: FFB571TYPEA.
Features
  • Nut,plain,hexagon — FSC 5310
  • Nut Height: 0.320 INCHES MINIMUM AND 0.337 INCHES MAXIMUM IN
  • Nut Style: HEXAGON
  • Thread Series: UNF
  • Nominal Thread Size: 0.375 INCHES IN
  • Bearing Surface Type: CHAMFERED OR WASHER FACED
  • Thread Quantity Per Inch: 24
  • Surface Treatment: CADMIUM OR ZINC OVERALL
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Copper Alloy Overall construction
General Description

The Nut,plain,hexagon, cataloged under National Stock Number 5310-00-017-9137, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Federal Specifications Promulgated by General Services Administration Washington DC. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-00-017-9137
Primary Part NumberFFB571TYPEA
Item NameNut,plain,hexagon
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerFederal Specifications Promulgated by General Services Administration Washington DC
StatusACTIVE
Nut Height0.320 INCHES MINIMUM AND 0.337 INCHES MAXIMUM IN
Nut StyleHEXAGON
Thread SeriesUNF
Nominal Thread Size0.375 INCHES IN
Bearing Surface TypeCHAMFERED OR WASHER FACED
Thread Quantity Per Inch24
Surface TreatmentCADMIUM OR ZINC OVERALL
MaterialCOPPER ALLOY OVERALL
Nondefinitive Spec/std DataA TYPE
Material Document and ClassificationQQ-B-611-CANC FED SPEC SINGLE MATERIAL RESPONSE OVERALL
Thread DirectionRIGHT-HAND
Thread Class2B
Width Across Flats0.5510 INCHES MINIMUM AND 0.5625 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
3110-00-156-5458 INTERCHANGEABLE
Bearing,ball,annular
1320-00-555-7586 INTERCHANGEABLE
Projectile,5 Inch 38 Caliber
5360-00-680-4782 INTERCHANGEABLE
Spring,helical,compression
Cross-Reference Index
Part NumberManufacturer
FFB571TYPEA Federal Specifications Promulgated by General Services Administration Washington DC (USA)
179137 General Motors Corp (USA)
179137 Army Weapons Command Attn Amswe-Ree-S (USA)
179137 General Motors Llc Dba General Motors Llc (USA)
Related Parts
3110-00-156-5458INTERCHANGEABLE
BEARING,BALL,ANNULAR
1320-00-555-7586INTERCHANGEABLE
PROJECTILE,5 INCH 38 CALIBER
5360-00-680-4782INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION

Frequently Asked Questions

What is NSN 5310-00-017-9137?

NSN 5310-00-017-9137 is a Nut,plain,hexagon, manufactured by Federal Specifications Promulgated by General Services Administration Washington DC, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-017-9137?

NSN 5310-00-017-9137 has 4 cross-referenced part numbers: FFB571TYPEA (Federal Specifications Promulgated by General Services Administration Washington DC), 179137 (General Motors Corp), 179137 (Army Weapons Command Attn Amswe-Ree-S), 179137 (General Motors Llc Dba General Motors Llc).

What NSN replaces 5310-00-017-9137?

There are 3 known substitutes for 5310-00-017-9137: 3110-00-156-5458, 1320-00-555-7586, 5360-00-680-4782. Verify interchangeability with system specifications before substitution.

What are the specifications of FFB571TYPEA?

Key specifications for FFB571TYPEA: Nut Height: 0.320 INCHES MINIMUM AND 0.337 INCHES MAXIMUM IN; Nut Style: HEXAGON; Thread Series: UNF; Nominal Thread Size: 0.375 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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