PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

FFW84Washer,lock

Federal Specifications Promulgated by General Services Administration Washington DC · NSN 5310-00-328-9163 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-328-9163 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-328-9163. Primary manufacturer part number: FFW84.
Features
  • Washer,lock — FSC 5310
  • Hole Diameter: 0.062 INCHES MINIMUM AND 0.066 INCHES MAXIMUM IN
  • Style Designator: SPLIT HELICAL-RIGHT HAND
  • Surface Treatment Document and Classification: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
  • Nondefinitive Spec/std Data: C CLASS AND 5 STYLE
  • Material: STEEL COMP 301 OR STEEL COMP 302 OR STEEL COMP 303 OR STEEL COMP 303SE OR STEEL COMP 304 OR STEEL COMP 304L OR STEEL COMP 305 OR STEEL COMP 308 OR STEEL COMP 309 OR STEEL COMP 309S OR STEEL COMP 310 OR STEEL COMP 310S OR STEEL COMP 314 OR STEEL COMP 316 OR STEEL COMP 316L OR STEEL COMP 317 OR STEEL COMP 347 OR STEEL COMP 348 OR STEEL COMP 385 OR STEEL COMP 321 OR STEEL COMP 384 OVERALL
  • Surface Treatment: PASSIVATE OVERALL
  • Hardness Rating: 35.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Comp 301 or Steel Comp 302 or Steel Comp 303 or Steel Comp 303SE or Steel Comp 304 or Steel Comp 304l or Steel Comp 305 or Steel Comp 308 or Steel Comp 309 or Steel Comp 309s or Steel Comp 310 or Steel Comp 310s or Steel Comp 314 or Steel Comp 316 or Steel Comp 316l or Steel Comp 317 or Steel Comp 347 or Steel Comp 348 or Steel Comp 385 or Steel Comp 321 or Steel Comp 384 Overall construction
General Description

The Washer,lock, cataloged under National Stock Number 5310-00-328-9163, 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 10 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. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-00-328-9163
Primary Part NumberFFW84
Item NameWasher,lock
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerFederal Specifications Promulgated by General Services Administration Washington DC
StatusACTIVE
Hole Diameter0.062 INCHES MINIMUM AND 0.066 INCHES MAXIMUM IN
Style DesignatorSPLIT HELICAL-RIGHT HAND
Surface Treatment Document and ClassificationQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
Nondefinitive Spec/std DataC CLASS AND 5 STYLE
MaterialSTEEL COMP 301 OR STEEL COMP 302 OR STEEL COMP 303 OR STEEL COMP 303SE OR STEEL COMP 304 OR STEEL COMP 304L OR STEEL COMP 305 OR STEEL COMP 308 OR STEEL COMP 309 OR STEEL COMP 309S OR STEEL COMP 310 OR STEEL COMP 310S OR STEEL COMP 314 OR STEEL COMP 316 OR STEEL COMP 316L OR STEEL COMP 317 OR STEEL COMP 347 OR STEEL COMP 348 OR STEEL COMP 385 OR STEEL COMP 321 OR STEEL COMP 384 OVERALL
Surface TreatmentPASSIVATE OVERALL
Hardness Rating35.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM
Material Thickness0.016 INCHES MINIMUM IN
Outside Diameter0.092 INCHES MAXIMUM IN
Material Document and Classification66 FED STD ALL MATERIAL RESPONSES OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
6135-00-178-9506 INTERCHANGEABLE
Battery,nonrechargeable
3442-00-430-358565543 INTERCHANGEABLE
Spreader,ram Toe
Applied Power Inc Power Packer
4320-01-313-8019HP-P0052-001 INTERCHANGEABLE
Pump Head,vacuum
Raytheon E-Systems, Inc
Cross-Reference Index
Part NumberManufacturer
FFW84 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
MS51848-41 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
SJ571 Grayhill Inc (USA)
Z3-0 W. M. Berg, Inc. (USA)
Related Parts
6135-00-178-9506INTERCHANGEABLE
BATTERY,NONRECHARGEABLE
3442-00-430-3585INTERCHANGEABLE
SPREADER,RAM TOE
65543
4320-01-313-8019INTERCHANGEABLE
PUMP HEAD,VACUUM
HP-P0052-001

Frequently Asked Questions

What is NSN 5310-00-328-9163?

NSN 5310-00-328-9163 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 5310-00-328-9163?

NSN 5310-00-328-9163 has 4 cross-referenced part numbers: FFW84 (Federal Specifications Promulgated by General Services Administration Washington DC), MS51848-41 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), SJ571 (Grayhill Inc), Z3-0 (W. M. Berg, Inc.).

What NSN replaces 5310-00-328-9163?

There are 3 known substitutes for 5310-00-328-9163: 6135-00-178-9506, 3442-00-430-3585, 4320-01-313-8019. Verify interchangeability with system specifications before substitution.

What are the specifications of FFW84?

Key specifications for FFW84: Hole Diameter: 0.062 INCHES MINIMUM AND 0.066 INCHES MAXIMUM IN; Style Designator: SPLIT HELICAL-RIGHT HAND; Surface Treatment Document and Classification: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Nondefinitive Spec/std Data: C CLASS AND 5 STYLE. 10 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com