PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

NAS1291C04MNut,self-Locking,extended Washer

National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use · NSN 5310-00-845-2359 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-845-2359 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-845-2359. Primary manufacturer part number: NAS1291C04M.
Features
  • Nut,self-Locking,extended Washer — FSC 5310
  • Lubrication: DRY FILM LUBRICANT
  • Nominal Thread Size: 0.112 INCHES IN
  • Material: STEEL CORROSION RESISTING OVERALL
  • Surface Treatment: PASSIVATE OVERALL
  • Width Across Flats: 0.150 INCHES MINIMUM AND 0.158 INCHES MAXIMUM IN
  • Thread Class: 3B
  • Thread Quantity Per Inch: 40
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Corrosion Resisting Overall construction
General Description

The Nut,self-Locking,extended Washer, cataloged under National Stock Number 5310-00-845-2359, 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 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 28 commercial cross-references from 25 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5310-00-845-2359
Primary Part NumberNAS1291C04M
Item NameNut,self-Locking,extended Washer
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerNational Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
StatusCANCELLED
LubricationDRY FILM LUBRICANT
Nominal Thread Size0.112 INCHES IN
MaterialSTEEL CORROSION RESISTING OVERALL
Surface TreatmentPASSIVATE OVERALL
Width Across Flats0.150 INCHES MINIMUM AND 0.158 INCHES MAXIMUM IN
Thread Class3B
Thread Quantity Per Inch40
Thread SeriesUNIFIED NATIONAL COARSE (UNC)
Locking FeaturePREVAILING TORQUE ALL METAL DESIGN
Thread DirectionRIGHT-HAND
Washer Thickness0.010 INCHES NOMINAL IN
Temp Rating550.0 FAHRENHEIT NOMINAL DEGF
Washer Outside Diameter0.206 INCHES NOMINAL IN
Nut StyleHEXAGON
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 2
5305-00-054-5650 INTERCHANGEABLE
Screw,machine
5310-00-450-0040 INTERCHANGEABLE
Nut,self-Locking,extended Washer
Cross-Reference Index
Part NumberManufacturer
10088033 Nimikkeistokeskus Ncb Finland (FIN)
5310PL0733192 Jednolity Indeks Materialowy - Uniform Material Index (POL)
NAS1291C04M PRIMARY National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use (USA)
568/4/24347/013 Eaton Limited (GBR)
74443146002 Elbitamerica, Inc. (USA)
P32952 Safran Martin-Baker France (FRA)
4158075-004 Raytheon Company Div Rmd Strategic (USA)
114-0436-002 The Boeing Company Div Legacy Boeing Hb1 (USA)
947532-304 Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp (USA)
5310008452359 E.c.a Etablissement Centrald'approvisionnement Des Forces Armee
418034-18 Zf Industrieantriebe Witten Gmbh (DEU)
C318039522 Kearfott Corporation Div Guidance and Navigation Division (USA)
T99C440NFM Sps Technologies, Llc Dba Cherry Aerospace Div Div Cherry Aerospace (USA)
1790044-10 Honeywell Intl Inc Defense Avionics Systems (USA)
2578602-2 The Boeing Company Div Defense (USA)
RMLH3858-40 Esna, Llc (USA)
M2184660 Aero Vodochody A.s. (CZE)
114-0231-002 The Boeing Company Div Legacy Boeing Hb1 (USA)
4158075-4 Raytheon Company Div Rmd Strategic (USA)
H42LO4 Fairchild Fasteners Uk Ltd (GBR)
Related Parts
5305-00-054-5650INTERCHANGEABLE
SCREW,MACHINE
5310-00-450-0040INTERCHANGEABLE
NUT,SELF-LOCKING,EXTENDED WASHER

Frequently Asked Questions

What is NSN 5310-00-845-2359?

NSN 5310-00-845-2359 is a Nut,self-Locking,extended Washer, 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 5310-00-845-2359?

NSN 5310-00-845-2359 has 28 cross-referenced part numbers: 10088033 (Nimikkeistokeskus Ncb Finland), 5310PL0733192 (Jednolity Indeks Materialowy - Uniform Material Index), NAS1291C04M (National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use), 568/4/24347/013 (Eaton Limited), 74443146002 (Elbitamerica, Inc.) and 23 more.

What NSN replaces 5310-00-845-2359?

There are 2 known substitutes for 5310-00-845-2359: 5305-00-054-5650, 5310-00-450-0040. Verify interchangeability with system specifications before substitution.

What are the specifications of NAS1291C04M?

Key specifications for NAS1291C04M: Lubrication: DRY FILM LUBRICANT; Nominal Thread Size: 0.112 INCHES IN; Material: STEEL CORROSION RESISTING OVERALL; Surface Treatment: PASSIVATE OVERALL. 15 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5310-00-845-2359 still in active supply?

NSN 5310-00-845-2359 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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