PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

AN310C4Nut,plain,castellated,hexagon

National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use · NSN 5310-00-167-1280 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-167-1280 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-167-1280. Primary manufacturer part number: AN310C4.
Features
  • Nut,plain,castellated,hexagon — FSC 5310
  • Nominal Thread Size: 0.250 INCHES IN
  • Thread Quantity Per Inch: 28
  • Thread Series: UNF
  • Width Across Flats: 0.428 INCHES MINIMUM AND 0.440 INCHES MAXIMUM IN
  • Bearing Surface Type: WASHER FACED
  • Thread Class: 3B
  • Material Document and Classification: 66 FED STD ALL MATERIAL RESPONSES OVERALL
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Comp 302 or Steel Comp 303 or Steel Comp 304 or Steel Comp 305 or Steel Comp 316 or Steel Comp 317 or Steel Comp 347 or Steel Comp 410 or Steel Comp 414 or Steel Comp 416 Overall construction
General Description

The Nut,plain,castellated,hexagon, cataloged under National Stock Number 5310-00-167-1280, 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 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 12 commercial cross-references from 12 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
NSN5310-00-167-1280
Primary Part NumberAN310C4
Item NameNut,plain,castellated,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
Nominal Thread Size0.250 INCHES IN
Thread Quantity Per Inch28
Thread SeriesUNF
Width Across Flats0.428 INCHES MINIMUM AND 0.440 INCHES MAXIMUM IN
Bearing Surface TypeWASHER FACED
Thread Class3B
Material Document and Classification66 FED STD ALL MATERIAL RESPONSES OVERALL
Nut Height0.265 INCHES MINIMUM AND 0.297 INCHES MAXIMUM IN
Thread DirectionRIGHT-HAND
Surface TreatmentPASSIVATE OVERALL
Nut StyleCASTELLATED, HEXAGON
MaterialSTEEL COMP 302 OR STEEL COMP 303 OR STEEL COMP 304 OR STEEL COMP 305 OR STEEL COMP 316 OR STEEL COMP 317 OR STEEL COMP 347 OR STEEL COMP 410 OR STEEL COMP 414 OR STEEL COMP 416 OVERALL
Countersink Angle109.0 DEGREES MINIMUM AND 111.0 DEGREES MAXIMUM NUT
Surface Treatment Document and ClassificationQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
Nondefinitive Spec/std Data5 TYPE
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 1
3110-00-222-058212339293 INTERCHANGEABLE
Bearing,ball,annular
General Motors Llc Dba General Motors Llc
Cross-Reference Index
Part NumberManufacturer
10116618 Nimikkeistokeskus Ncb Finland (FIN)
AN310C4 Zf Industrieantriebe Witten Gmbh (DEU)
907998 Honeywell International Inc Div Aerospace-South Bend (bendix Dr) (USA)
AN310C4 PRIMARY 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)
938.08.69.002 Pilatus Aircraft Ltd (CHE)
AN310C4 Air Force-Navy Aeronautical Specifications Promulgated by Aeronautical Standards Group
AN310C4 Aeronautical Standards Group Dept of Navy and Air Force (USA)
K5596404 General Electric Company (USA)
5310PL0927479 Jednolity Indeks Materialowy - Uniform Material Index (POL)
AN310C4 Triumph Aerostructures, Llc Dba Triumph Aerostructures - Vought Integrated Programs Division (USA)
AN310C4 L & J Fasteners Inc (USA)
Related Parts
3110-00-222-0582INTERCHANGEABLE
BEARING,BALL,ANNULAR
12339293

Frequently Asked Questions

What is NSN 5310-00-167-1280?

NSN 5310-00-167-1280 is a Nut,plain,castellated,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 5310-00-167-1280?

NSN 5310-00-167-1280 has 12 cross-referenced part numbers: 10116618 (Nimikkeistokeskus Ncb Finland), AN310C4 (Zf Industrieantriebe Witten Gmbh), 907998 (Honeywell International Inc Div Aerospace-South Bend (bendix Dr)), AN310C4 (National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use), FF-N-836 (Federal Specifications Promulgated by General Services Administration Washington DC) and 7 more.

What NSN replaces 5310-00-167-1280?

There is 1 known substitute for 5310-00-167-1280: 3110-00-222-0582. Verify interchangeability with system specifications before substitution.

What are the specifications of AN310C4?

Key specifications for AN310C4: Nominal Thread Size: 0.250 INCHES IN; Thread Quantity Per Inch: 28; End Item Identification: MULTIPLE LAUNCH ROCKET SYSTEM (MLRS); Thread Series: UNF. 16 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5310-00-167-1280 still in active supply?

NSN 5310-00-167-1280 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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