PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

27583Washer,lock

Bae Systems Advanced Technologies Inc Dba Bae Systems at · NSN 5310-01-580-7476 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-01-580-7476 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-580-7476. Primary manufacturer part number: 27583.
Features
  • Washer,lock — FSC 5310
  • Closed Inside Diameter: 12.2 MILLIMETERS NOMINAL MM
  • Closed Outside Diameter: 21.1 MILLIMETERS NOMINAL MM
  • 1 verified cross-reference
  • Primary manufacturer: Bae Systems Advanced Technologies Inc Dba Bae Systems at
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Washer,lock, cataloged under National Stock Number 5310-01-580-7476, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Bae Systems Advanced Technologies Inc Dba Bae Systems at. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-01-580-7476
Primary Part Number27583
Item NameWasher,lock
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerBae Systems Advanced Technologies Inc Dba Bae Systems at
StatusACTIVE
Closed Inside Diameter12.2 MILLIMETERS NOMINAL MM
Closed Outside Diameter21.1 MILLIMETERS NOMINAL MM
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
6920-00-340-271226816 INTERCHANGEABLE
Housing,sheave
Revere Transducers Inc
3110-00-554-3232204S INTERCHANGEABLE
Bearing,ball,annular
Skf Usa Inc.
5945-00-815-3493SM15CWD1 INTERCHANGEABLE
Relay,electromagnetic
Safran Power Usa, Llc
5940-00-879-3907327583 INTERCHANGEABLE
Splice,conductor
Te Connectivity Corporation
4410-01-200-4620275-83 INTERCHANGEABLE
Diffuser
Aqua-Chem, Inc. Dba Aqua-Chem Inc
5310-01-548-478025937 INTERCHANGEABLE
Washer,lock
Eagle Components, Inc
Cross-Reference Index
Part NumberManufacturer
27583 Bae Systems Advanced Technologies Inc Dba Bae Systems at (USA)
Related Parts
6920-00-340-2712INTERCHANGEABLE
HOUSING,SHEAVE
26816
3110-00-554-3232INTERCHANGEABLE
BEARING,BALL,ANNULAR
204S
5945-00-815-3493INTERCHANGEABLE
RELAY,ELECTROMAGNETIC
SM15CWD1
5940-00-879-3907INTERCHANGEABLE
SPLICE,CONDUCTOR
327583
4410-01-200-4620INTERCHANGEABLE
DIFFUSER
275-83
5310-01-548-4780INTERCHANGEABLE
WASHER,LOCK
25937

Frequently Asked Questions

What is NSN 5310-01-580-7476?

NSN 5310-01-580-7476 is a Washer,lock, manufactured by Bae Systems Advanced Technologies Inc Dba Bae Systems at, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-01-580-7476?

NSN 5310-01-580-7476 has 1 cross-referenced part number: 27583 (Bae Systems Advanced Technologies Inc Dba Bae Systems at).

What NSN replaces 5310-01-580-7476?

There are 6 known substitutes for 5310-01-580-7476: 6920-00-340-2712, 3110-00-554-3232, 5945-00-815-3493 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 27583?

Key specifications for 27583: End Item Identification: 2355-01-567-4930 MINE PROTECTED CLEARANCE VEHICLE, BUFFALO HEAVY MINE PROTECTED CLEARANCE VEHICLE, BUFFALO A2 MPCV; Part Name Assigned by Controlling Agency: WASHER,SPLIT (LKSPR),12.2 ID,21.1 OD,2.5T; Closed Inside Diameter: 12.2 MILLIMETERS NOMINAL MM; Closed Outside Diameter: 21.1 MILLIMETERS NOMINAL MM. 4 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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