PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

FFB571TYPEANut,plain,hexagon

Federal Specifications Promulgated by General Services Administration Washington DC · NSN 5310-00-022-0072 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-022-0072 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-022-0072. Primary manufacturer part number: FFB571TYPEA.
Features
  • Nut,plain,hexagon — FSC 5310
  • Nut Style: HEXAGON
  • Thread Series: UNIFIED NATIONAL COARSE (UNC)
  • Nominal Thread Size: 0.438 INCHES IN
  • Bearing Surface Type: WASHER FACED
  • Thread Quantity Per Inch: 14
  • Thread Class: 2B
  • Material: STEEL OVERALL
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Overall construction
General Description

The Nut,plain,hexagon, cataloged under National Stock Number 5310-00-022-0072, 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 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-00-022-0072
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 StyleHEXAGON
Thread SeriesUNIFIED NATIONAL COARSE (UNC)
Nominal Thread Size0.438 INCHES IN
Bearing Surface TypeWASHER FACED
Thread Quantity Per Inch14
Thread Class2B
MaterialSTEEL OVERALL
Departure From Cited DocumentAS MODIFIED BY HEIGHT RQMT
Nondefinitive Spec/std DataA TYPE
Surface TreatmentCADMIUM OR ZINC OVERALL
Thread DirectionRIGHT-HAND
Nut Height0.340 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN
Width Across Flats0.7280 INCHES MINIMUM AND 0.7500 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
1730-00-025-23701942-010 INTERCHANGEABLE
Adapter,aircraft Jacking Point
Columbus Jack Corporation Div Columbus Jack
6250-00-077-253229607 INTERCHANGEABLE
Lampholder
Swivelier Company Inc Dba Point Electric Div
4820-00-274-36351605 INTERCHANGEABLE
Cock,plug
Romac Industries, Inc. Dba Hays Fluid Controls Div Hays Fluid Controls Division
3120-00-416-8529 INTERCHANGEABLE
Bushing,sleeve
5996-00-461-82581-942 INTERCHANGEABLE
Amplifier,magnetic
Eldec Aerospace Corp
5975-00-577-85181942 INTERCHANGEABLE
Chase Nipple,conduit
Abb Installation Products Inc
5340-00-785-54571942 INTERCHANGEABLE
Band,retaining
V I J Corp Div National Utilities Company
5975-00-903-8856TWCC50 INTERCHANGEABLE
Adapter,electrical Conduit
Egs Electrical Group Appleton Div
4920-00-906-7279 INTERCHANGEABLE
Meter
4330-01-018-00941942 INTERCHANGEABLE
Filter,fluid
Meggitt (north Hollywood), Inc. Dba Meggitt Control Systems Div Meggitt Defense Systems, Inc.
Cross-Reference Index
Part NumberManufacturer
FFB571TYPEA Federal Specifications Promulgated by General Services Administration Washington DC (USA)
1942 Enterprise Fabricators Inc (USA)
Related Parts
1730-00-025-2370INTERCHANGEABLE
ADAPTER,AIRCRAFT JACKING POINT
1942-010
6250-00-077-2532INTERCHANGEABLE
LAMPHOLDER
29607
4820-00-274-3635INTERCHANGEABLE
COCK,PLUG
1605
3120-00-416-8529INTERCHANGEABLE
BUSHING,SLEEVE
5996-00-461-8258INTERCHANGEABLE
AMPLIFIER,MAGNETIC
1-942
5975-00-577-8518INTERCHANGEABLE
CHASE NIPPLE,CONDUIT
1942
5340-00-785-5457INTERCHANGEABLE
BAND,RETAINING
1942
5975-00-903-8856INTERCHANGEABLE
ADAPTER,ELECTRICAL CONDUIT
TWCC50
4920-00-906-7279INTERCHANGEABLE
METER
4330-01-018-0094INTERCHANGEABLE
FILTER,FLUID
1942
6515-01-385-7916INTERCHANGEABLE
FILTER,AIR,RESPIRATOR
5961-01-426-7820INTERCHANGEABLE
TRANSIT CASE ASSEMBLY
1942

Frequently Asked Questions

What is NSN 5310-00-022-0072?

NSN 5310-00-022-0072 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 5310-00-022-0072?

NSN 5310-00-022-0072 has 2 cross-referenced part numbers: FFB571TYPEA (Federal Specifications Promulgated by General Services Administration Washington DC), 1942 (Enterprise Fabricators Inc).

What NSN replaces 5310-00-022-0072?

There are 12 known substitutes for 5310-00-022-0072: 1730-00-025-2370, 6250-00-077-2532, 4820-00-274-3635 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of FFB571TYPEA?

Key specifications for FFB571TYPEA: Nut Style: HEXAGON; Thread Series: UNIFIED NATIONAL COARSE (UNC); Nominal Thread Size: 0.438 INCHES IN; Bearing Surface Type: WASHER FACED. 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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