PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

WA-54Washer,flat

Essex Brass Corporation · NSN 5310-01-227-5083 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-01-227-5083 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-227-5083. Primary manufacturer part number: WA-54.
Features
  • Washer,flat — FSC 5310
  • Reference Number Differentiating Characteristics: MATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS
  • Material: ASBESTOS AND RUBBER CHLOROPRENE CLASS CR OVERALL
  • Criticality Code Justification: ZZZY
  • 3 verified cross-references
  • Primary manufacturer: Essex Brass Corporation
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Asbestos and Rubber Chloroprene Class Cr Overall construction
General Description

The Washer,flat, cataloged under National Stock Number 5310-01-227-5083, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Essex Brass Corporation. Government technical data includes 3 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-01-227-5083
Primary Part NumberWA-54
Item NameWasher,flat
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerEssex Brass Corporation
StatusACTIVE
Reference Number Differentiating CharacteristicsMATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS
MaterialASBESTOS AND RUBBER CHLOROPRENE CLASS CR OVERALL
Criticality Code JustificationZZZY
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
5310-00-010-6496 INTERCHANGEABLE
Washer,lock
5310-00-435-8593 INTERCHANGEABLE
Washer,flat
5330-01-124-5092 INTERCHANGEABLE
Gasket
5310-01-377-1506WA-54 NON-ASBESTOS INTERCHANGEABLE
Washer,flat
Ernst Flow Industries Llc Div Ernst Flow Industries
5310-01-388-1592 INTERCHANGEABLE
Washer,flat
Cross-Reference Index
Part NumberManufacturer
WA-54 Essex Brass Corporation (USA)
CAT.82 PG 10 PC.14 Essex Brass Corporation (USA)
54-A/PC14 Essex Brass Corporation (USA)
Related Parts
5310-00-010-6496INTERCHANGEABLE
WASHER,LOCK
5310-00-435-8593INTERCHANGEABLE
WASHER,FLAT
5330-01-124-5092INTERCHANGEABLE
GASKET
5310-01-377-1506INTERCHANGEABLE
WASHER,FLAT
WA-54 NON-ASBESTOS
5310-01-388-1592INTERCHANGEABLE
WASHER,FLAT

Frequently Asked Questions

What is NSN 5310-01-227-5083?

NSN 5310-01-227-5083 is a Washer,flat, manufactured by Essex Brass Corporation, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-01-227-5083?

NSN 5310-01-227-5083 has 3 cross-referenced part numbers: WA-54 (Essex Brass Corporation), CAT.82 PG 10 PC.14 (Essex Brass Corporation), 54-A/PC14 (Essex Brass Corporation).

What NSN replaces 5310-01-227-5083?

There are 5 known substitutes for 5310-01-227-5083: 5310-00-010-6496, 5310-00-435-8593, 5330-01-124-5092 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of WA-54?

Key specifications for WA-54: Reference Number Differentiating Characteristics: MATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS; Material: ASBESTOS AND RUBBER CHLOROPRENE CLASS CR OVERALL; Criticality Code Justification: ZZZY. 3 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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