PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MS35338-148Washer,lock

National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use · NSN 5310-00-974-6642 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-974-6642 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-974-6642. Primary manufacturer part number: MS35338-148.
Features
  • Washer,lock — FSC 5310
  • Material Document and Classification: 66 FED STD ALL MATERIAL RESPONSES OVERALL
  • Material: STEEL COMP 301 OR STEEL COMP 302 OR STEEL COMP 303 OR STEEL COMP 303SE OR STEEL COMP 304 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
  • Style Designator: SPLIT HELICAL-RIGHT HAND
  • Hole Diameter: 1.042 INCHES MINIMUM AND 1.071 INCHES MAXIMUM IN
  • Outside Diameter: 1.661 INCHES MAXIMUM IN
  • Material Thickness: 0.250 INCHES MINIMUM AND 0.270 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 303SE or Steel Comp 304 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 5310-00-974-6642, 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 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 19 commercial cross-references from 8 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
NSN5310-00-974-6642
Primary Part NumberMS35338-148
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
StatusCANCELLED
Material Document and Classification66 FED STD ALL MATERIAL RESPONSES OVERALL
MaterialSTEEL COMP 301 OR STEEL COMP 302 OR STEEL COMP 303 OR STEEL COMP 303SE OR STEEL COMP 304 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
Style DesignatorSPLIT HELICAL-RIGHT HAND
Hole Diameter1.042 INCHES MINIMUM AND 1.071 INCHES MAXIMUM IN
Outside Diameter1.661 INCHES MAXIMUM IN
Material Thickness0.250 INCHES MINIMUM AND 0.270 INCHES MAXIMUM IN
Surface Treatment Document and ClassificationQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
Surface TreatmentPASSIVATE OVERALL
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 1
5310-00-549-6790MS35338-167 INTERCHANGEABLE
Washer,lock
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
Cross-Reference Index
Part NumberManufacturer
E101286 PC NO 66 Control Flow, Inc. Dba Control Flow Inc (USA)
MS35338-91 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
10121903 Nimikkeistokeskus Ncb Finland (FIN)
D305308 FIND NO 115 Control Flow, Inc. Dba Control Flow Inc (USA)
WG105388 Control Flow, Inc. Dba Control Flow Inc (USA)
35808-4ITEM160 Electric Boat Corp Dba Electro Dynamic (USA)
D320448 FIND 109 Control Flow, Inc. Dba Control Flow Inc (USA)
MS35338-148 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
E104459 FIND 66 Control Flow, Inc. Dba Control Flow Inc (USA)
WG107388 Zf Industrieantriebe Witten Gmbh (DEU)
MS35338-148 PRIMARY National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use (USA)
E103972 FIND 66 Control Flow, Inc. Dba Control Flow Inc (USA)
50P00182-0146 Zf Industrieantriebe Witten Gmbh (DEU)
FF-W-84 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
E102170 PC NO 66 Control Flow, Inc. Dba Control Flow Inc (USA)
WG105388 Zf Industrieantriebe Witten Gmbh (DEU)
D301088 FIND NO 85 Control Flow, Inc. Dba Control Flow Inc (USA)
004-003005-029 Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple (USA)
E108609 FIND 129 Control Flow, Inc. Dba Control Flow Inc (USA)
Related Parts
5310-00-549-6790INTERCHANGEABLE
WASHER,LOCK
MS35338-167

Frequently Asked Questions

What is NSN 5310-00-974-6642?

NSN 5310-00-974-6642 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: cancelled.

What are the part numbers for NSN 5310-00-974-6642?

NSN 5310-00-974-6642 has 19 cross-referenced part numbers: E101286 PC NO 66 (Control Flow, Inc. Dba Control Flow Inc), MS35338-91 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), 10121903 (Nimikkeistokeskus Ncb Finland), D305308 FIND NO 115 (Control Flow, Inc. Dba Control Flow Inc), WG105388 (Control Flow, Inc. Dba Control Flow Inc) and 14 more.

What NSN replaces 5310-00-974-6642?

There is 1 known substitute for 5310-00-974-6642: 5310-00-549-6790. Verify interchangeability with system specifications before substitution.

What are the specifications of MS35338-148?

Key specifications for MS35338-148: Material Document and Classification: 66 FED STD ALL MATERIAL RESPONSES OVERALL; Material: STEEL COMP 301 OR STEEL COMP 302 OR STEEL COMP 303 OR STEEL COMP 303SE OR STEEL COMP 304 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; End Item Identification: MULTIPLE LAUNCH ROCKET SYSTEM (MLRS); Hardness Rating: 35.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM. 10 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5310-00-974-6642 still in active supply?

NSN 5310-00-974-6642 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.
PartsTable Design LLC · partstable.com