PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MS21042L3Nut,self-Locking,extended Washer

National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use · NSN 5310-00-807-1474 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-807-1474 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-807-1474. Primary manufacturer part number: MS21042L3.
Features
  • Nut,self-Locking,extended Washer — FSC 5310
  • Surface Treatment: CADMIUM AND CHROMATE OVERALL
  • Thread Series: UNIFIED NATIONAL JOINT FINE (UNJF)
  • Washer Thickness: 0.015 INCHES MINIMUM IN
  • Locking Feature: PREVAILING TORQUE ALL METAL DESIGN
  • Surface Treatment Document and Classification: QQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
  • Hardness Rating: 49.0 ROCKWELL C MAXIMUM
  • Washer Outside Diameter: 0.330 INCHES MAXIMUM IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Overall construction
General Description

The Nut,self-Locking,extended Washer, cataloged under National Stock Number 5310-00-807-1474, 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 50 commercial cross-references from 38 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5310-00-807-1474
Primary Part NumberMS21042L3
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
Surface TreatmentCADMIUM AND CHROMATE OVERALL
Thread SeriesUNIFIED NATIONAL JOINT FINE (UNJF)
Washer Thickness0.015 INCHES MINIMUM IN
Locking FeaturePREVAILING TORQUE ALL METAL DESIGN
Surface Treatment Document and ClassificationQQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
Hardness Rating49.0 ROCKWELL C MAXIMUM
Washer Outside Diameter0.330 INCHES MAXIMUM IN
LubricationDRY FILM LUBRICANT
MaterialSTEEL OVERALL
Thread Quantity Per Inch32
Nominal Thread Size0.190 INCHES IN
Thread Class3B
Nut StyleHEXAGON
Width Across Flats0.243 INCHES MINIMUM AND 0.252 INCHES MAXIMUM IN
Thread DirectionRIGHT-HAND
Temp Rating450.0 FAHRENHEIT NOMINAL DEGF
Criticality Code JustificationFEAT
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5920-00-004-0274 INTERCHANGEABLE
Fuse,cartridge
3610-00-198-7536984-017 INTERCHANGEABLE
Type Metal,printing
Danka Office Imaging Company
5305-00-282-9007 INTERCHANGEABLE
Screw,machine
5950-00-588-565527V69 INTERCHANGEABLE
Transformer,power
Thordarson Inc
5310-00-791-0513RMLHTM-02W INTERCHANGEABLE
Nut,self-Locking,hexagon
Esna, Llc
5310-00-809-5777 INTERCHANGEABLE
Nut,self-Locking,hexagon
5305-00-820-254223AN515-6R26 INTERCHANGEABLE
Screw,machine
L3harris Cincinnati Electronics Corporation
5360-00-890-2940H143 INTERCHANGEABLE
Spring,helical,compression
Uhan Bros P O Box 264 Wellston Mi 49689
3120-01-131-6836K143 INTERCHANGEABLE
Bearing,sleeve
Dynalec Corporation
4320-01-136-7513 INTERCHANGEABLE
Parts Kit,hydraulic Pump
Cross-Reference Index
Part NumberManufacturer
P26041 Martin-Baker Aircraft Company Limited (GBR)
VN300A02 Fairchild Fasteners Europe - Vsd Gmbh (DEU)
5310008071474 E.c.a Etablissement Centrald'approvisionnement Des Forces Armee
MS21042L3 Aertekno S.r.l. (ITA)
H14-3 Tecnotec Sarl (FRA)
MS21040L3 Zf Industrieantriebe Witten Gmbh (DEU)
MS21042L3 Sierra Nevada Company, Llc (USA)
H14-3 Satair A/s (DNK)
H14-3 Howmet Global Fastening Systems Inc (USA)
MS21042L3 Boeing Distribution Services X, Inc. (USA)
MS21042L3 Pattonair Usa, Inc. (USA)
MS21042L3 The Boeing Company Div Services (USA)
MS21042L3 Bell Textron Inc (USA)
107B8156P5 Bae Systems Controls Inc. (USA)
MS21402L3 Zf Industrieantriebe Witten Gmbh (DEU)
MS21042L3 Dillon Aero, Inc. (USA)
T98S1032 Sps Technologies, Llc Dba Cherry Aerospace Div Div Cherry Aerospace (USA)
MS21042L3 Northrop Grumman Systems Corporation (USA)
AN515-6R26 Zf Industrieantriebe Witten Gmbh (DEU)
6343-1100 Valcor Engineering Corporation (USA)
Related Parts
5920-00-004-0274INTERCHANGEABLE
FUSE,CARTRIDGE
3610-00-198-7536INTERCHANGEABLE
TYPE METAL,PRINTING
984-017
5305-00-282-9007INTERCHANGEABLE
SCREW,MACHINE
5950-00-588-5655INTERCHANGEABLE
TRANSFORMER,POWER
27V69
5310-00-791-0513INTERCHANGEABLE
NUT,SELF-LOCKING,HEXAGON
RMLHTM-02W
5310-00-809-5777INTERCHANGEABLE
NUT,SELF-LOCKING,HEXAGON
5305-00-820-2542INTERCHANGEABLE
SCREW,MACHINE
23AN515-6R26
5360-00-890-2940INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
H143
3120-01-131-6836INTERCHANGEABLE
BEARING,SLEEVE
K143
4320-01-136-7513INTERCHANGEABLE
PARTS KIT,HYDRAULIC PUMP
5955-01-147-9114INTERCHANGEABLE
OSCILLATOR,CRYSTAL CONTROLLED
277-0547-010
5310-01-334-2744INTERCHANGEABLE
WASHER,FLAT
LD153-0002-1403

Frequently Asked Questions

What is NSN 5310-00-807-1474?

NSN 5310-00-807-1474 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 5310-00-807-1474?

NSN 5310-00-807-1474 has 50 cross-referenced part numbers: P26041 (Martin-Baker Aircraft Company Limited), VN300A02 (Fairchild Fasteners Europe - Vsd Gmbh), 5310008071474 (E.c.a Etablissement Centrald'approvisionnement Des Forces Armee), MS21042L3 (Aertekno S.r.l.), H14-3 (Tecnotec Sarl) and 45 more.

What NSN replaces 5310-00-807-1474?

There are 12 known substitutes for 5310-00-807-1474: 5920-00-004-0274, 3610-00-198-7536, 5305-00-282-9007 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MS21042L3?

Key specifications for MS21042L3: Surface Treatment: CADMIUM AND CHROMATE OVERALL; Thread Series: UNIFIED NATIONAL JOINT FINE (UNJF); Washer Thickness: 0.015 INCHES MINIMUM IN; Locking Feature: PREVAILING TORQUE ALL METAL DESIGN. 19 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5310-00-807-1474 still in active supply?

NSN 5310-00-807-1474 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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