PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

541839Washer,lock

Us Army Aviation and Missile Command · NSN 5310-00-054-1839 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-054-1839 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-054-1839. Primary manufacturer part number: 541839.
Features
  • Washer,lock — FSC 5310
  • Departure From Cited Document: AS MODIFIED BY MATERIAL
  • Outside Diameter: 0.353 INCHES MAXIMUM IN
  • Material: STEEL COMP 304 OVERALL
  • Style Designator: SPLIT HELICAL-RIGHT HAND
  • Hole Diameter: 0.194 INCHES MINIMUM AND 0.205 INCHES MAXIMUM IN
  • Material Thickness: 0.056 INCHES NOMINAL IN
  • Nondefinitive Spec/std Data: C CLASS AND 3 STYLE
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Comp 304 Overall construction
General Description

The Washer,lock, cataloged under National Stock Number 5310-00-054-1839, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Us Army Aviation and Missile Command. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 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
NSN5310-00-054-1839
Primary Part Number541839
Item NameWasher,lock
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerUs Army Aviation and Missile Command
StatusACTIVE
Departure From Cited DocumentAS MODIFIED BY MATERIAL
Outside Diameter0.353 INCHES MAXIMUM IN
MaterialSTEEL COMP 304 OVERALL
Style DesignatorSPLIT HELICAL-RIGHT HAND
Hole Diameter0.194 INCHES MINIMUM AND 0.205 INCHES MAXIMUM IN
Material Thickness0.056 INCHES NOMINAL IN
Nondefinitive Spec/std DataC CLASS AND 3 STYLE
Material Document and ClassificationQQ-S-766,COND A FED SPEC SINGLE MATERIAL RESPONSE OVERALL
Surface TreatmentPASSIVATE OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5310-00-054-1838 INTERCHANGEABLE
Washer,lock
5310-00-184-9138 INTERCHANGEABLE
Washer,lock
5330-01-377-26693149552 INTERCHANGEABLE
Gasket
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
Cross-Reference Index
Part NumberManufacturer
5006-12 New Haven Mfg Corp (USA)
FFW84CLASSBSTYLE3 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
541839 PRIMARY Us Army Aviation and Missile Command (USA)
Related Parts
5310-00-054-1838INTERCHANGEABLE
WASHER,LOCK
5310-00-184-9138INTERCHANGEABLE
WASHER,LOCK
5330-01-377-2669INTERCHANGEABLE
GASKET
3149552

Frequently Asked Questions

What is NSN 5310-00-054-1839?

NSN 5310-00-054-1839 is a Washer,lock, manufactured by Us Army Aviation and Missile Command, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-054-1839?

NSN 5310-00-054-1839 has 3 cross-referenced part numbers: 5006-12 (New Haven Mfg Corp), FFW84CLASSBSTYLE3 (Federal Specifications Promulgated by General Services Administration Washington DC), 541839 (Us Army Aviation and Missile Command).

What NSN replaces 5310-00-054-1839?

There are 3 known substitutes for 5310-00-054-1839: 5310-00-054-1838, 5310-00-184-9138, 5330-01-377-2669. Verify interchangeability with system specifications before substitution.

What are the specifications of 541839?

Key specifications for 541839: Departure From Cited Document: AS MODIFIED BY MATERIAL; Outside Diameter: 0.353 INCHES MAXIMUM IN; Material: STEEL COMP 304 OVERALL; Style Designator: SPLIT HELICAL-RIGHT HAND. 9 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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