PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

NAS671-6Nut,plain,hexagon

National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use · NSN 5310-00-631-1294 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-631-1294 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-631-1294. Primary manufacturer part number: NAS671-6.
Features
  • Nut,plain,hexagon — FSC 5310
  • Material: STEEL OVERALL
  • Specification/standard Data: 80205-NAS671 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
  • Surface Treatment: CADMIUM AND CHROMATE OVERALL
  • Criticality Code Justification: NHCF
  • Thread Class: 3B
  • Thread Quantity Per Inch: 32
  • Thread Series: UNJC
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 5310-00-631-1294, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use. Government technical data includes 17 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 11 commercial cross-references from 9 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5310-00-631-1294
Primary Part NumberNAS671-6
Item NameNut,plain,hexagon
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerNational Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
StatusCANCELLED
MaterialSTEEL OVERALL
Specification/standard Data80205-NAS671 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
Surface TreatmentCADMIUM AND CHROMATE OVERALL
Criticality Code JustificationNHCF
Thread Class3B
Thread Quantity Per Inch32
Thread SeriesUNJC
Nominal Thread Size0.138 INCHES IN
Width Across Flats0.241 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN
Thread DirectionRIGHT-HAND
Countersink Angle110.0 DEGREES NOMINAL NUT
Nut Height0.087 INCHES MINIMUM AND 0.098 INCHES MAXIMUM IN
Nut StyleHEXAGON
Bearing Surface TypeCHAMFERED
Nondefinitive Spec/std Data2 TYPE
Nuclear Hardness Critical FeatureHARDENED
Surface Treatment Document and ClassificationQQ-P-416,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 1
5310-00-616-8660NAS671C6 INTERCHANGEABLE
Nut,plain,hexagon
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
Cross-Reference Index
Part NumberManufacturer
10121566 Nimikkeistokeskus Ncb Finland (FIN)
565-003-003 Raytheon Company (USA)
4157502-2 Zf Industrieantriebe Witten Gmbh (DEU)
416453-22 Raytheon Company Dba Raytheon (USA)
NAS671-6 PRIMARY National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use (USA)
NAS671-06 National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use (USA)
FF-N-836 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
53106311294 E.c.a Etablissement Centrald'approvisionnement Des Forces Armee
WA904-10 Sparton Corp (USA)
5310PL1369341 Jednolity Indeks Materialowy - Uniform Material Index (POL)
5310PL0725465 Jednolity Indeks Materialowy - Uniform Material Index (POL)
Related Parts
5310-00-616-8660INTERCHANGEABLE
NUT,PLAIN,HEXAGON
NAS671C6

Frequently Asked Questions

What is NSN 5310-00-631-1294?

NSN 5310-00-631-1294 is a Nut,plain,hexagon, manufactured by National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use, classified under FSC 5310 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5310-00-631-1294?

NSN 5310-00-631-1294 has 11 cross-referenced part numbers: 10121566 (Nimikkeistokeskus Ncb Finland), 565-003-003 (Raytheon Company), 4157502-2 (Zf Industrieantriebe Witten Gmbh), 416453-22 (Raytheon Company Dba Raytheon), NAS671-6 (National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use) and 6 more.

What NSN replaces 5310-00-631-1294?

There is 1 known substitute for 5310-00-631-1294: 5310-00-616-8660. Verify interchangeability with system specifications before substitution.

What are the specifications of NAS671-6?

Key specifications for NAS671-6: Material: STEEL OVERALL; Specification/standard Data: 80205-NAS671 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD; Surface Treatment: CADMIUM AND CHROMATE OVERALL; Criticality Code Justification: NHCF. 17 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5310-00-631-1294 still in active supply?

NSN 5310-00-631-1294 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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