PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

305-115-0201Washer,lock

Northrop Grumman Systems Corporation · NSN 5310-00-793-8751 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-793-8751 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-793-8751. Primary manufacturer part number: 305-115-0201.
Features
  • Washer,lock — FSC 5310
  • Material: STEEL CORROSION RESISTING OVERALL
  • Style Designator: SPLIT HELICAL-RIGHT HAND
  • Surface Treatment: PASSIVATE OVERALL
  • Hole Diameter: 0.088 INCHES MINIMUM AND 0.097 INCHES MAXIMUM IN
  • Outside Diameter: 0.165 INCHES NOMINAL IN
  • Material Thickness: 0.015 INCHES MINIMUM AND 0.021 INCHES MAXIMUM IN
  • Departure From Cited Designator: AS MOD BY FLEET BALLISTIC MISSILE QUALITY AS IDENTIFIED BY QUALITY CONTROL NO. POSO 900980
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Corrosion Resisting Overall construction
General Description

The Washer,lock, cataloged under National Stock Number 5310-00-793-8751, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Northrop Grumman Systems Corporation. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 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
NSN5310-00-793-8751
Primary Part Number305-115-0201
Item NameWasher,lock
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerNorthrop Grumman Systems Corporation
StatusACTIVE
MaterialSTEEL CORROSION RESISTING OVERALL
Style DesignatorSPLIT HELICAL-RIGHT HAND
Surface TreatmentPASSIVATE OVERALL
Hole Diameter0.088 INCHES MINIMUM AND 0.097 INCHES MAXIMUM IN
Outside Diameter0.165 INCHES NOMINAL IN
Material Thickness0.015 INCHES MINIMUM AND 0.021 INCHES MAXIMUM IN
Departure From Cited DesignatorAS MOD BY FLEET BALLISTIC MISSILE QUALITY AS IDENTIFIED BY QUALITY CONTROL NO. POSO 900980
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5310-00-058-2950 INTERCHANGEABLE
Washer,lock
5310-00-734-5666 INTERCHANGEABLE
Washer,lock
5310-00-965-1796 INTERCHANGEABLE
Washer,lock
5895-01-316-84573051-1502-01 INTERCHANGEABLE
Transmitter Control Group
Br Communications (inc)
Cross-Reference Index
Part NumberManufacturer
305-115-0201 Northrop Grumman Systems Corporation (USA)
MS35337-77 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
5310-00-058-2950INTERCHANGEABLE
WASHER,LOCK
5310-00-734-5666INTERCHANGEABLE
WASHER,LOCK
5310-00-965-1796INTERCHANGEABLE
WASHER,LOCK
5895-01-316-8457INTERCHANGEABLE
TRANSMITTER CONTROL GROUP
3051-1502-01

Frequently Asked Questions

What is NSN 5310-00-793-8751?

NSN 5310-00-793-8751 is a Washer,lock, manufactured by Northrop Grumman Systems Corporation, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-793-8751?

NSN 5310-00-793-8751 has 2 cross-referenced part numbers: 305-115-0201 (Northrop Grumman Systems Corporation), MS35337-77 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 5310-00-793-8751?

There are 4 known substitutes for 5310-00-793-8751: 5310-00-058-2950, 5310-00-734-5666, 5310-00-965-1796 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 305-115-0201?

Key specifications for 305-115-0201: Material: STEEL CORROSION RESISTING OVERALL; Style Designator: SPLIT HELICAL-RIGHT HAND; Surface Treatment: PASSIVATE OVERALL; Hole Diameter: 0.088 INCHES MINIMUM AND 0.097 INCHES MAXIMUM IN. 7 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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