PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MS35338-66Washer,lock

National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use · NSN 5310-00-011-5314 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-011-5314 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-011-5314. Primary manufacturer part number: MS35338-66.
Features
  • Washer,lock — FSC 5310
  • Surface Treatment: PHOSPHATE OVERALL
  • Hardness Rating: 45.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM
  • Hole Diameter: 0.446 INCHES MINIMUM AND 0.459 INCHES MAXIMUM IN
  • Material: STEEL COMP 1060 OR STEEL COMP 1070 OR STEEL COMP 1078 OR STEEL COMP 1080 OVERALL
  • Material Document and Classification: 66 FED STD ALL MATERIAL RESPONSES OVERALL
  • Material Thickness: 0.109 INCHES MINIMUM AND 0.119 INCHES MAXIMUM IN
  • Outside Diameter: 0.779 INCHES MAXIMUM IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Comp 1060 or Steel Comp 1070 or Steel Comp 1078 or Steel Comp 1080 Overall construction
General Description

The Washer,lock, cataloged under National Stock Number 5310-00-011-5314, 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 17 commercial cross-references from 16 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
NSN5310-00-011-5314
Primary Part NumberMS35338-66
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
Surface TreatmentPHOSPHATE OVERALL
Hardness Rating45.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM
Hole Diameter0.446 INCHES MINIMUM AND 0.459 INCHES MAXIMUM IN
MaterialSTEEL COMP 1060 OR STEEL COMP 1070 OR STEEL COMP 1078 OR STEEL COMP 1080 OVERALL
Material Document and Classification66 FED STD ALL MATERIAL RESPONSES OVERALL
Material Thickness0.109 INCHES MINIMUM AND 0.119 INCHES MAXIMUM IN
Outside Diameter0.779 INCHES MAXIMUM IN
Style DesignatorSPLIT HELICAL-RIGHT HAND
Surface Treatment Document and ClassificationMIL-P-16232,TY Z MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5940-00-176-720810-542-2 INTERCHANGEABLE
Terminal,feedthru
Concord Electronics, Inc.
2990-00-443-0022T-10422 INTERCHANGEABLE
Muffler,exhaust
Cummins Filtration Inc.
2530-00-545-5406212227N INTERCHANGEABLE
Dummy Coupling,automotive Air Br
Bendix Commercial Vehicle Systems Llc Dba Bendix Commercial Vehicle Systems
4720-00-764-6763 INTERCHANGEABLE
Hose Assembly,nonmetallic
2995-00-805-162911531-4 INTERCHANGEABLE
Box,control
Triumph Controls, Llc Dba Triumph Controls, Llc
5935-00-874-49511783415 INTERCHANGEABLE
Dummy Connector,plug
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
5950-01-298-5869115314 INTERCHANGEABLE
Transformer,power
U S Dept of Transportation Federal Aviation Administration
5325-01-375-424110422 INTERCHANGEABLE
Ring,retaining
Liquid Metronics Inc
6685-01-396-089810422G01H00 INTERCHANGEABLE
Gage,pressure,dial Indicating
Ametek, Inc. Div Aerospace & Defense
6650-01-447-7916716R INTERCHANGEABLE
Binocular
Swift Instruments Inc Dba Swift Instruments Inc Div Swift Instruments Inc
Cross-Reference Index
Part NumberManufacturer
10422 Kleinschmidt Inc (USA)
MS35338-66 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
115314 General Motors Corp (USA)
115314 Navistar International Corporation Dba Navistar (USA)
MS35338-66 PRIMARY National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use (USA)
FFW84CLASSASTYLE2 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
SW25212 Drs Sustainment Systems Inc (USA)
004-003005-070 Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple (USA)
115314 Army Weapons Command Attn Amswe-Ree-S (USA)
7-16 R Komatsu American Intl Co (USA)
115314 Navistar Intl Corp Truck Br Ohio Plant (USA)
34808S2 Ford Motor Company (USA)
34808S2 Ford Motor Co Ford Parts and Service Div Government Part Sales (USA)
91X9R Pressed Metals of America Inc (USA)
A20472 Fnh Uk Ltd (GBR)
115314 Komatsu American Intl Co (USA)
115314 Chrysler Realty Company Llc Dba Daimler Chrysler (USA)
Related Parts
5940-00-176-7208INTERCHANGEABLE
TERMINAL,FEEDTHRU
10-542-2
2990-00-443-0022INTERCHANGEABLE
MUFFLER,EXHAUST
T-10422
2530-00-545-5406INTERCHANGEABLE
DUMMY COUPLING,AUTOMOTIVE AIR BR
212227N
4720-00-764-6763INTERCHANGEABLE
HOSE ASSEMBLY,NONMETALLIC
2995-00-805-1629INTERCHANGEABLE
BOX,CONTROL
11531-4
5935-00-874-4951INTERCHANGEABLE
DUMMY CONNECTOR,PLUG
1783415
5950-01-298-5869INTERCHANGEABLE
TRANSFORMER,POWER
115314
5325-01-375-4241INTERCHANGEABLE
RING,RETAINING
10422
6685-01-396-0898INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
10422G01H00
6650-01-447-7916INTERCHANGEABLE
BINOCULAR
716R
6695-01-642-8397INTERCHANGEABLE
WATT,CRNT TRANSFM
4820-01-687-9592INTERCHANGEABLE
VALVE,GATE
1153-14

Frequently Asked Questions

What is NSN 5310-00-011-5314?

NSN 5310-00-011-5314 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 5310-00-011-5314?

NSN 5310-00-011-5314 has 17 cross-referenced part numbers: 10422 (Kleinschmidt Inc), MS35338-66 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), 115314 (General Motors Corp), 115314 (Navistar International Corporation Dba Navistar), MS35338-66 (National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use) and 12 more.

What NSN replaces 5310-00-011-5314?

There are 12 known substitutes for 5310-00-011-5314: 5940-00-176-7208, 2990-00-443-0022, 2530-00-545-5406 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MS35338-66?

Key specifications for MS35338-66: Surface Treatment: PHOSPHATE OVERALL; Hardness Rating: 45.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM; Hole Diameter: 0.446 INCHES MINIMUM AND 0.459 INCHES MAXIMUM IN; Material: STEEL COMP 1060 OR STEEL COMP 1070 OR STEEL COMP 1078 OR STEEL COMP 1080 OVERALL. 9 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5310-00-011-5314 still in active supply?

NSN 5310-00-011-5314 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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