PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MS35337-84Washer,lock

Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M · NSN 5310-00-596-8771 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-596-8771 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-596-8771. Primary manufacturer part number: MS35337-84.
Features
  • Washer,lock — FSC 5310
  • Surface Treatment Document and Classification: QQ-P-416 FED SPEC 1ST TREATMENT RESPONSE OR QQ-Z-325 FED SPEC 2ND TREATMENT RESPONSE OVERALL
  • Nondefinitive Spec/std Data: 1 STYLE AND A CLASS
  • Surface Treatment: CADMIUM OR ZINC OVERALL
  • Style Designator: SPLIT HELICAL-RIGHT HAND
  • Hole Diameter: 0.382 INCHES MINIMUM AND 0.398 INCHES MAXIMUM IN
  • Outside Diameter: 0.678 INCHES MAXIMUM IN
  • Hardness Rating: 45.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Washer,lock, cataloged under National Stock Number 5310-00-596-8771, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5310-00-596-8771
Primary Part NumberMS35337-84
Item NameWasher,lock
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerMilitary Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
StatusCANCELLED
Surface Treatment Document and ClassificationQQ-P-416 FED SPEC 1ST TREATMENT RESPONSE OR QQ-Z-325 FED SPEC 2ND TREATMENT RESPONSE OVERALL
Nondefinitive Spec/std Data1 STYLE AND A CLASS
Surface TreatmentCADMIUM OR ZINC OVERALL
Style DesignatorSPLIT HELICAL-RIGHT HAND
Hole Diameter0.382 INCHES MINIMUM AND 0.398 INCHES MAXIMUM IN
Outside Diameter0.678 INCHES MAXIMUM IN
Hardness Rating45.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM
Material Thickness0.070 INCHES MINIMUM AND 0.080 INCHES MAXIMUM IN
Material Document and Classification66 FED STD ALL MATERIAL RESPONSES OR AISI NATIONAL SPEC ALL MATERIAL RESPONSES OR SAE NATIONAL SPEC ALL MATERIAL RESPONSES OVERALL
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 7
5310-00-058-29489157798-54 INTERCHANGEABLE
Washer,lock
Us Army Aviation and Missile Command
5310-00-209-123512Z3018-25 INTERCHANGEABLE
Washer,lock
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
5310-00-262-3576 INTERCHANGEABLE
Washer,lock
5310-00-576-1023 INTERCHANGEABLE
Washer,lock
5310-00-576-1027 INTERCHANGEABLE
Washer,lock
5310-00-595-7159 INTERCHANGEABLE
Washer,lock
5310-00-926-5877MS35338-160 INTERCHANGEABLE
Washer,lock
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
Cross-Reference Index
Part NumberManufacturer
MS35337-84 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
616938PC6 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
12Z3018PC29 Naval Ordnance Standards (USA)
FFW84CLASSCSTYLE1 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
Related Parts
5310-00-058-2948INTERCHANGEABLE
WASHER,LOCK
9157798-54
5310-00-209-1235INTERCHANGEABLE
WASHER,LOCK
12Z3018-25
5310-00-262-3576INTERCHANGEABLE
WASHER,LOCK
5310-00-576-1023INTERCHANGEABLE
WASHER,LOCK
5310-00-576-1027INTERCHANGEABLE
WASHER,LOCK
5310-00-595-7159INTERCHANGEABLE
WASHER,LOCK
5310-00-926-5877INTERCHANGEABLE
WASHER,LOCK
MS35338-160

Frequently Asked Questions

What is NSN 5310-00-596-8771?

NSN 5310-00-596-8771 is a Washer,lock, manufactured by Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M, classified under FSC 5310 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5310-00-596-8771?

NSN 5310-00-596-8771 has 4 cross-referenced part numbers: MS35337-84 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), 616938PC6 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), 12Z3018PC29 (Naval Ordnance Standards), FFW84CLASSCSTYLE1 (Federal Specifications Promulgated by General Services Administration Washington DC).

What NSN replaces 5310-00-596-8771?

There are 7 known substitutes for 5310-00-596-8771: 5310-00-058-2948, 5310-00-209-1235, 5310-00-262-3576 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MS35337-84?

Key specifications for MS35337-84: Surface Treatment Document and Classification: QQ-P-416 FED SPEC 1ST TREATMENT RESPONSE OR QQ-Z-325 FED SPEC 2ND TREATMENT RESPONSE OVERALL; Nondefinitive Spec/std Data: 1 STYLE AND A CLASS; Surface Treatment: CADMIUM OR ZINC OVERALL; Style Designator: SPLIT HELICAL-RIGHT HAND. 9 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5310-00-596-8771 still in active supply?

NSN 5310-00-596-8771 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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