PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

FFW84CLASSBSTYLE2Washer,lock

Federal Specifications Promulgated by General Services Administration Washington DC · NSN 5310-00-194-7350 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-194-7350 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-194-7350. Primary manufacturer part number: FFW84CLASSBSTYLE2.
Features
  • Washer,lock — FSC 5310
  • Nondefinitive Spec/std Data: B CLASS AND 2 STYLE
  • Material: STEEL OVERALL
  • Outside Diameter: 0.239 INCHES NOMINAL IN
  • Material Thickness: 0.031 INCHES NOMINAL IN
  • Hole Diameter: 0.128 INCHES MINIMUM AND 0.137 INCHES MAXIMUM IN
  • Hardness Rating: 45.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM
  • Style Designator: SPLIT HELICAL-RIGHT HAND
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 5310-00-194-7350, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Federal Specifications Promulgated by General Services Administration Washington DC. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, 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
NSN5310-00-194-7350
Primary Part NumberFFW84CLASSBSTYLE2
Item NameWasher,lock
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerFederal Specifications Promulgated by General Services Administration Washington DC
StatusACTIVE
Nondefinitive Spec/std DataB CLASS AND 2 STYLE
MaterialSTEEL OVERALL
Outside Diameter0.239 INCHES NOMINAL IN
Material Thickness0.031 INCHES NOMINAL IN
Hole Diameter0.128 INCHES MINIMUM AND 0.137 INCHES MAXIMUM IN
Hardness Rating45.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM
Style DesignatorSPLIT HELICAL-RIGHT HAND
Material Document and ClassificationE1095-5,FSCM 06848 MFR REF SINGLE MATERIAL RESPONSE OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5310-00-018-7174 INTERCHANGEABLE
Washer,lock
5310-00-194-7351 INTERCHANGEABLE
Washer,lock
5310-00-543-5756 INTERCHANGEABLE
Washer,lock
5310-00-655-96319167216 INTERCHANGEABLE
Washer,lock
Us Army Aviation and Missile Command
Cross-Reference Index
Part NumberManufacturer
FFW84CLASSBSTYLE2 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
Related Parts
5310-00-018-7174INTERCHANGEABLE
WASHER,LOCK
5310-00-194-7351INTERCHANGEABLE
WASHER,LOCK
5310-00-543-5756INTERCHANGEABLE
WASHER,LOCK
5310-00-655-9631INTERCHANGEABLE
WASHER,LOCK
9167216

Frequently Asked Questions

What is NSN 5310-00-194-7350?

NSN 5310-00-194-7350 is a Washer,lock, manufactured by Federal Specifications Promulgated by General Services Administration Washington DC, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-194-7350?

NSN 5310-00-194-7350 has 1 cross-referenced part number: FFW84CLASSBSTYLE2 (Federal Specifications Promulgated by General Services Administration Washington DC).

What NSN replaces 5310-00-194-7350?

There are 4 known substitutes for 5310-00-194-7350: 5310-00-018-7174, 5310-00-194-7351, 5310-00-543-5756 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of FFW84CLASSBSTYLE2?

Key specifications for FFW84CLASSBSTYLE2: Nondefinitive Spec/std Data: B CLASS AND 2 STYLE; Material: STEEL OVERALL; Outside Diameter: 0.239 INCHES NOMINAL IN; Material Thickness: 0.031 INCHES NOMINAL IN. 8 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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