PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

54500FIG8-53-03Washer,flat

L3harris Maritime Power & Energy Solutions, Inc. Dba Spd Electrical Systems, Inc. · NSN 5310-01-317-1813 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-01-317-1813 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-317-1813. Primary manufacturer part number: 54500FIG8-53-03.
Features
  • Washer,flat — FSC 5310
  • Criticality Code Justification: ZZZY
  • Reference Number Differentiating Characteristics: MATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS
  • 3 verified cross-references
  • Primary manufacturer: L3harris Maritime Power & Energy Solutions, Inc. Dba Spd Electrical Systems, Inc.
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Washer,flat, cataloged under National Stock Number 5310-01-317-1813, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is L3harris Maritime Power & Energy Solutions, Inc. Dba Spd Electrical Systems, Inc.. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-01-317-1813
Primary Part Number54500FIG8-53-03
Item NameWasher,flat
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerL3harris Maritime Power & Energy Solutions, Inc. Dba Spd Electrical Systems, Inc.
StatusACTIVE
Criticality Code JustificationZZZY
Reference Number Differentiating CharacteristicsMATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5310-00-823-8803 INTERCHANGEABLE
Washer,flat
5310-01-330-279354500-F INTERCHANGEABLE
Washer,flat
L3harris Maritime Power & Energy Solutions, Inc. Dba Spd Electrical Systems, Inc.
5310-01-734-0500 INTERCHANGEABLE
Washer,flat
5310-01-734-0595 INTERCHANGEABLE
Washer,flat
Cross-Reference Index
Part NumberManufacturer
54500FIG8-53-03 L3harris Maritime Power & Energy Solutions, Inc. Dba Spd Electrical Systems, Inc. (USA)
54500-J L3harris Maritime Power & Energy Solutions, Inc. Dba Spd Electrical Systems, Inc. (USA)
MS27183 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
5310-00-823-8803INTERCHANGEABLE
WASHER,FLAT
5310-01-330-2793INTERCHANGEABLE
WASHER,FLAT
54500-F
5310-01-734-0500INTERCHANGEABLE
WASHER,FLAT
5310-01-734-0595INTERCHANGEABLE
WASHER,FLAT

Frequently Asked Questions

What is NSN 5310-01-317-1813?

NSN 5310-01-317-1813 is a Washer,flat, manufactured by L3harris Maritime Power & Energy Solutions, Inc. Dba Spd Electrical Systems, Inc., classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-01-317-1813?

NSN 5310-01-317-1813 has 3 cross-referenced part numbers: 54500FIG8-53-03 (L3harris Maritime Power & Energy Solutions, Inc. Dba Spd Electrical Systems, Inc.), 54500-J (L3harris Maritime Power & Energy Solutions, Inc. Dba Spd Electrical Systems, Inc.), MS27183 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 5310-01-317-1813?

There are 4 known substitutes for 5310-01-317-1813: 5310-00-823-8803, 5310-01-330-2793, 5310-01-734-0500 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 54500FIG8-53-03?

Key specifications for 54500FIG8-53-03: Criticality Code Justification: ZZZY; Reference Number Differentiating Characteristics: MATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS. 2 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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