PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

WA-54Washer,flat

Essex Brass Corporation · NSN 5310-01-388-1592 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-01-388-1592 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-388-1592. Primary manufacturer part number: WA-54.
Features
  • Washer,flat — FSC 5310
  • Overall Diameter: 1.156 INCHES NOMINAL IN
  • Hole Diameter: 0.750 INCHES NOMINAL IN
  • Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR OVERALL
  • Center Hole Shape Style: ROUND
  • Departure From Cited Document: AS MODIDIED BY MATERIAL
  • Reference Number Differentiating Characteristics: AS DIFFERENTIATED BY MATERIAL WHICH MUST CONFORM TO SHIPS PARTS CONTROL SPECIAL QUALITY CONTROL PROVISIONS
  • Peripheral Shape Style: ROUND
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Rubber Butadiene-Acrylonitrile Class Nbr Overall construction
General Description

The Washer,flat, cataloged under National Stock Number 5310-01-388-1592, 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 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 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
NSN5310-01-388-1592
Primary Part NumberWA-54
Item NameWasher,flat
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerEssex Brass Corporation
StatusACTIVE
Overall Diameter1.156 INCHES NOMINAL IN
Hole Diameter0.750 INCHES NOMINAL IN
MaterialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR OVERALL
Center Hole Shape StyleROUND
Departure From Cited DocumentAS MODIDIED BY MATERIAL
Reference Number Differentiating CharacteristicsAS DIFFERENTIATED BY MATERIAL WHICH MUST CONFORM TO SHIPS PARTS CONTROL SPECIAL QUALITY CONTROL PROVISIONS
Peripheral Shape StyleROUND
Thickness0.062 INCHES NOMINAL IN
Criticality Code JustificationZZZY
Cross-Sectional Shape StyleRECTANGULAR
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
5310-01-227-5083 INTERCHANGEABLE
Washer,flat
5310-01-377-1506WA-54 NON-ASBESTOS INTERCHANGEABLE
Washer,flat
Ernst Flow Industries Llc Div Ernst Flow Industries
Cross-Reference Index
Part NumberManufacturer
WA-54 Essex Brass Corporation (USA)
NO54-ADET14 Essex Brass Corporation (USA)
Related Parts
5310-00-010-6496INTERCHANGEABLE
WASHER,LOCK
5310-00-435-8593INTERCHANGEABLE
WASHER,FLAT
5330-01-124-5092INTERCHANGEABLE
GASKET
5310-01-227-5083INTERCHANGEABLE
WASHER,FLAT
5310-01-377-1506INTERCHANGEABLE
WASHER,FLAT
WA-54 NON-ASBESTOS

Frequently Asked Questions

What is NSN 5310-01-388-1592?

NSN 5310-01-388-1592 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 5310-01-388-1592?

NSN 5310-01-388-1592 has 2 cross-referenced part numbers: WA-54 (Essex Brass Corporation), NO54-ADET14 (Essex Brass Corporation).

What NSN replaces 5310-01-388-1592?

There are 5 known substitutes for 5310-01-388-1592: 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: Overall Diameter: 1.156 INCHES NOMINAL IN; Hole Diameter: 0.750 INCHES NOMINAL IN; Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR OVERALL; Center Hole Shape Style: ROUND. 10 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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