PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

54528Washer,flat

Sealcraft Corporation · NSN 5310-00-550-1451 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-550-1451 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-550-1451. Primary manufacturer part number: 54528.
Features
  • Washer,flat — FSC 5310
  • Center Hole Shape Style: ROUND
  • Material: COPPER OVERALL
  • Cross-Sectional Shape Style: RECTANGULAR
  • Thickness: 0.030 INCHES NOMINAL IN
  • Overall Diameter: 0.500 INCHES NOMINAL IN
  • Hole Diameter: 0.330 INCHES NOMINAL IN
  • Peripheral Shape Style: ROUND
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Copper Overall construction
General Description

The Washer,flat, cataloged under National Stock Number 5310-00-550-1451, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Sealcraft Corporation. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5310-00-550-1451
Primary Part Number54528
Item NameWasher,flat
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerSealcraft Corporation
StatusCANCELLED
Center Hole Shape StyleROUND
MaterialCOPPER OVERALL
Cross-Sectional Shape StyleRECTANGULAR
Thickness0.030 INCHES NOMINAL IN
Overall Diameter0.500 INCHES NOMINAL IN
Hole Diameter0.330 INCHES NOMINAL IN
Peripheral Shape StyleROUND
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 7
6150-00-178-920654528 INTERCHANGEABLE
Wiring Harness,branched
Hamilton Sundstrand Corporation
5340-00-353-299312203 INTERCHANGEABLE
Bellows,protection
Tld Wollard Llc
6240-00-421-53685452-8 INTERCHANGEABLE
Lamp,incandescent
Lenox Instrument Co., Inc.
5977-00-665-3931 INTERCHANGEABLE
Brush,electrical Contact
5940-01-070-424754528 INTERCHANGEABLE
Splice,conductor
Abb Installation Products Inc
6240-01-336-358054528 INTERCHANGEABLE
Lamp,incandescent
Osram Sylvania Inc
5975-01-514-000354528 INTERCHANGEABLE
Mounting Base,electrical Equipme
Naval Air Warfare Ctr Aircraft Div
Cross-Reference Index
Part NumberManufacturer
54528 PRIMARY Sealcraft Corporation (USA)
8680533 PRIMARY U S Army Tank Automotive Command Amsta-Im-Mm (USA)
Related Parts
6150-00-178-9206INTERCHANGEABLE
WIRING HARNESS,BRANCHED
54528
5340-00-353-2993INTERCHANGEABLE
BELLOWS,PROTECTION
12203
6240-00-421-5368INTERCHANGEABLE
LAMP,INCANDESCENT
5452-8
5977-00-665-3931INTERCHANGEABLE
BRUSH,ELECTRICAL CONTACT
5940-01-070-4247INTERCHANGEABLE
SPLICE,CONDUCTOR
54528
6240-01-336-3580INTERCHANGEABLE
LAMP,INCANDESCENT
54528
5975-01-514-0003INTERCHANGEABLE
MOUNTING BASE,ELECTRICAL EQUIPME
54528

Frequently Asked Questions

What is NSN 5310-00-550-1451?

NSN 5310-00-550-1451 is a Washer,flat, manufactured by Sealcraft Corporation, classified under FSC 5310 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5310-00-550-1451?

NSN 5310-00-550-1451 has 2 cross-referenced part numbers: 54528 (Sealcraft Corporation), 8680533 (U S Army Tank Automotive Command Amsta-Im-Mm).

What NSN replaces 5310-00-550-1451?

There are 7 known substitutes for 5310-00-550-1451: 6150-00-178-9206, 5340-00-353-2993, 6240-00-421-5368 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 54528?

Key specifications for 54528: Center Hole Shape Style: ROUND; Material: COPPER OVERALL; Cross-Sectional Shape Style: RECTANGULAR; Thickness: 0.030 INCHES NOMINAL IN. 7 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5310-00-550-1451 still in active supply?

NSN 5310-00-550-1451 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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