PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MS35338-146Washer,lock

National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use · NSN 5310-00-937-0454 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-937-0454 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-937-0454. Primary manufacturer part number: MS35338-146.
Features
  • Washer,lock — FSC 5310
  • Nondefinitive Spec/std Data: 2 STYLE AND C CLASS
  • Hole Diameter: 0.763 INCHES MINIMUM AND 0.783 INCHES MAXIMUM IN
  • Material: STEEL COMP 301 OR STEEL COMP 302 OR STEEL COMP 303 OR STEEL COMP 304 OR STEEL COMP 303SE OR STEEL COMP 304L OR STEEL COMP 305 OR STEEL COMP 308 OR STEEL COMP 309 OR STEEL COMP 309S OR STEEL COMP 310 OR STEEL COMP 310S OR STEEL COMP 314 OR STEEL COMP 316 OR STEEL COMP 316L OR STEEL COMP 317 OR STEEL COMP 321 OR STEEL COMP 347 OR STEEL COMP 348 OR STEEL COMP 385 OR STEEL COMP 384 OVERALL
  • Hardness Rating: 35.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM
  • Surface Treatment Document and Classification: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
  • Surface Treatment: PASSIVATE OVERALL
  • Outside Diameter: 1.271 INCHES MAXIMUM IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Comp 301 or Steel Comp 302 or Steel Comp 303 or Steel Comp 304 or Steel Comp 303SE or Steel Comp 304l or Steel Comp 305 or Steel Comp 308 or Steel Comp 309 or Steel Comp 309s or Steel Comp 310 or Steel Comp 310s or Steel Comp 314 or Steel Comp 316 or Steel Comp 316l or Steel Comp 317 or Steel Comp 321 or Steel Comp 347 or Steel Comp 348 or Steel Comp 385 or Steel Comp 384 Overall construction
General Description

The Washer,lock, cataloged under National Stock Number 5310-00-937-0454, 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 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 21 commercial cross-references from 9 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-00-937-0454
Primary Part NumberMS35338-146
Item NameWasher,lock
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerNational Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
StatusACTIVE
Nondefinitive Spec/std Data2 STYLE AND C CLASS
Hole Diameter0.763 INCHES MINIMUM AND 0.783 INCHES MAXIMUM IN
MaterialSTEEL COMP 301 OR STEEL COMP 302 OR STEEL COMP 303 OR STEEL COMP 304 OR STEEL COMP 303SE OR STEEL COMP 304L OR STEEL COMP 305 OR STEEL COMP 308 OR STEEL COMP 309 OR STEEL COMP 309S OR STEEL COMP 310 OR STEEL COMP 310S OR STEEL COMP 314 OR STEEL COMP 316 OR STEEL COMP 316L OR STEEL COMP 317 OR STEEL COMP 321 OR STEEL COMP 347 OR STEEL COMP 348 OR STEEL COMP 385 OR STEEL COMP 384 OVERALL
Hardness Rating35.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM
Surface Treatment Document and ClassificationQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
Surface TreatmentPASSIVATE OVERALL
Outside Diameter1.271 INCHES MAXIMUM IN
Material Thickness0.188 INCHES MINIMUM AND 0.198 INCHES MAXIMUM IN
Material Document and Classification66 FED STD ALL MATERIAL RESPONSES OVERALL
Style DesignatorSPLIT HELICAL-RIGHT HAND
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5310-00-058-3873 INTERCHANGEABLE
Washer,lock
5310-00-584-7799MS15795-822 INTERCHANGEABLE
Washer,flat
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5310-00-924-5897 INTERCHANGEABLE
Nut,plain,hexagon
5310-00-934-9727 INTERCHANGEABLE
Nut,plain,hexagon
Cross-Reference Index
Part NumberManufacturer
E103972 NO 68 Control Flow, Inc. Dba Control Flow Inc (USA)
D320448 NO 111 Control Flow, Inc. Dba Control Flow Inc (USA)
MS35338-146 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
346-10048 Zf Industrieantriebe Witten Gmbh (DEU)
E101286 PC NO 68 Control Flow, Inc. Dba Control Flow Inc (USA)
596-6391395 FIND 14 Naval Sea Systems Command (USA)
MS35338-146 PRIMARY National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use (USA)
004-003005-027 Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple (USA)
WSHR-S-002763 Lockheed Martin Corporation Dba Lockheed Martin Aerostructures Div Rms (USA)
5310PL0994424 Jednolity Indeks Materialowy - Uniform Material Index (POL)
E102170 PC NO 68 Control Flow, Inc. Dba Control Flow Inc (USA)
WG107386 Zf Industrieantriebe Witten Gmbh (DEU)
6391395 Naval Sea Systems Command (USA)
D320448 NO 130 Control Flow, Inc. Dba Control Flow Inc (USA)
E102170 PC NO 6 Control Flow, Inc. Dba Control Flow Inc (USA)
MS35338-89 Zf Industrieantriebe Witten Gmbh (DEU)
E104459 NO 68 Control Flow, Inc. Dba Control Flow Inc (USA)
886338 Zf Industrieantriebe Witten Gmbh (DEU)
WG105386 Control Flow, Inc. Dba Control Flow Inc (USA)
04-0060 ITEM NO 68 Ward Leonard Ct Llc (USA)
Related Parts
5310-00-058-3873INTERCHANGEABLE
WASHER,LOCK
5310-00-584-7799INTERCHANGEABLE
WASHER,FLAT
MS15795-822
5310-00-924-5897INTERCHANGEABLE
NUT,PLAIN,HEXAGON
5310-00-934-9727INTERCHANGEABLE
NUT,PLAIN,HEXAGON

Frequently Asked Questions

What is NSN 5310-00-937-0454?

NSN 5310-00-937-0454 is a Washer,lock, 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: active.

What are the part numbers for NSN 5310-00-937-0454?

NSN 5310-00-937-0454 has 21 cross-referenced part numbers: E103972 NO 68 (Control Flow, Inc. Dba Control Flow Inc), D320448 NO 111 (Control Flow, Inc. Dba Control Flow Inc), MS35338-146 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), 346-10048 (Zf Industrieantriebe Witten Gmbh), E101286 PC NO 68 (Control Flow, Inc. Dba Control Flow Inc) and 16 more.

What NSN replaces 5310-00-937-0454?

There are 4 known substitutes for 5310-00-937-0454: 5310-00-058-3873, 5310-00-584-7799, 5310-00-924-5897 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MS35338-146?

Key specifications for MS35338-146: Nondefinitive Spec/std Data: 2 STYLE AND C CLASS; Hole Diameter: 0.763 INCHES MINIMUM AND 0.783 INCHES MAXIMUM IN; Material: STEEL COMP 301 OR STEEL COMP 302 OR STEEL COMP 303 OR STEEL COMP 304 OR STEEL COMP 303SE OR STEEL COMP 304L OR STEEL COMP 305 OR STEEL COMP 308 OR STEEL COMP 309 OR STEEL COMP 309S OR STEEL COMP 310 OR STEEL COMP 310S OR STEEL COMP 314 OR STEEL COMP 316 OR STEEL COMP 316L OR STEEL COMP 317 OR STEEL COMP 321 OR STEEL COMP 347 OR STEEL COMP 348 OR STEEL COMP 385 OR STEEL COMP 384 OVERALL; Hardness Rating: 35.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM. 11 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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