PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4198008-010Washer,lock

Raytheon Company Div Rmd Strategic · NSN 5310-00-965-1805 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-965-1805 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-965-1805. Primary manufacturer part number: 4198008-010.
Features
  • Washer,lock — FSC 5310
  • Surface Treatment: PASSIVATE OVERALL
  • Departure From Cited Designator: AS MODIFIED BY MATERIAL CLASS AND COND
  • Outside Diameter: 0.202 INCHES NOMINAL IN
  • Surface Treatment Document and Classification: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
  • Material: STEEL OVERALL
  • Material Document and Classification: 66 FED STD SINGLE MATERIAL RESPONSE OVERALL
  • Nondefinitive Spec/std Data: 1 STYLE AND C CLASS
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Overall construction
General Description

The Washer,lock, cataloged under National Stock Number 5310-00-965-1805, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Raytheon Company Div Rmd Strategic. Government technical data includes 11 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. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-00-965-1805
Primary Part Number4198008-010
Item NameWasher,lock
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerRaytheon Company Div Rmd Strategic
StatusACTIVE
Surface TreatmentPASSIVATE OVERALL
Departure From Cited DesignatorAS MODIFIED BY MATERIAL CLASS AND COND
Outside Diameter0.202 INCHES NOMINAL IN
Surface Treatment Document and ClassificationQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
MaterialSTEEL OVERALL
Material Document and Classification66 FED STD SINGLE MATERIAL RESPONSE OVERALL
Nondefinitive Spec/std Data1 STYLE AND C CLASS
Hole Diameter0.115 INCHES MINIMUM AND 0.124 INCHES MAXIMUM IN
Hardness Rating35.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM
Material Thickness0.020 INCHES MINIMUM AND 0.026 INCHES MAXIMUM IN
Style DesignatorSPLIT HELICAL-RIGHT HAND
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5310-00-058-2949092-26769 INTERCHANGEABLE
Washer,lock
Moog Inc
5310-00-734-5661 INTERCHANGEABLE
Washer,lock
5310-00-933-8118355-221-0023 INTERCHANGEABLE
Washer,lock
Meggitt (new Hampshire), Inc
Cross-Reference Index
Part NumberManufacturer
4198008-010 Raytheon Company Div Rmd Strategic (USA)
MS35337-78 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
5310-00-058-2949INTERCHANGEABLE
WASHER,LOCK
092-26769
5310-00-734-5661INTERCHANGEABLE
WASHER,LOCK
5310-00-933-8118INTERCHANGEABLE
WASHER,LOCK
355-221-0023

Frequently Asked Questions

What is NSN 5310-00-965-1805?

NSN 5310-00-965-1805 is a Washer,lock, manufactured by Raytheon Company Div Rmd Strategic, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-965-1805?

NSN 5310-00-965-1805 has 2 cross-referenced part numbers: 4198008-010 (Raytheon Company Div Rmd Strategic), MS35337-78 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 5310-00-965-1805?

There are 3 known substitutes for 5310-00-965-1805: 5310-00-058-2949, 5310-00-734-5661, 5310-00-933-8118. Verify interchangeability with system specifications before substitution.

What are the specifications of 4198008-010?

Key specifications for 4198008-010: Surface Treatment: PASSIVATE OVERALL; Departure From Cited Designator: AS MODIFIED BY MATERIAL CLASS AND COND; Outside Diameter: 0.202 INCHES NOMINAL IN; Surface Treatment Document and Classification: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL. 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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