PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

SCB69389-4Washer,flat

Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir · NSN 5310-00-521-8475 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-521-8475 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-521-8475. Primary manufacturer part number: SCB69389-4.
Features
  • Washer,flat — FSC 5310
  • Thickness: 0.0367 INCHES MINIMUM AND 0.0387 INCHES MAXIMUM IN
  • Cross-Sectional Shape Style: RECTANGULAR
  • Overall Diameter: 0.422 INCHES MINIMUM AND 0.453 INCHES MAXIMUM IN
  • Peripheral Shape Style: ROUND
  • Center Hole Shape Style: ROUND
  • 4 verified cross-references
  • Primary manufacturer: Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Washer,flat, cataloged under National Stock Number 5310-00-521-8475, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir. Government technical data includes 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-00-521-8475
Primary Part NumberSCB69389-4
Item NameWasher,flat
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerUs Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
StatusACTIVE
Thickness0.0367 INCHES MINIMUM AND 0.0387 INCHES MAXIMUM IN
Cross-Sectional Shape StyleRECTANGULAR
Overall Diameter0.422 INCHES MINIMUM AND 0.453 INCHES MAXIMUM IN
Peripheral Shape StyleROUND
Center Hole Shape StyleROUND
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
5935-00-018-1688 INTERCHANGEABLE
Adapter,connector
5930-00-102-595150145 INTERCHANGEABLE
Capillary Bulb Clam
Wells Mfg Co
6605-00-146-680050147 INTERCHANGEABLE
Control,underwater Log
The Dewey Electronics Corporation Div Pitometer Log Division
5330-00-368-6824102547H INTERCHANGEABLE
Gasket Set
Hyster-Yale Group, Inc. Div Hyster-Yale Materials Handling
1005-00-831-1364 INTERCHANGEABLE
Disconnector
1005-01-487-260250147 INTERCHANGEABLE
Barrel,automatic Gun
American Apex Corporation
5945-01-708-196450147 INTERCHANGEABLE
Solenoid Assembly
Eaton Aerospace Llc Dba Eaton Aerospace Jackson
Cross-Reference Index
Part NumberManufacturer
53105218475 E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales
XY44460 Bae Systems Information and Electronic Systems Integration Inc. Div Bae Systems Information & Electronic Systems Integration Inc (USA)
SCB69389-4 PRIMARY Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir (USA)
50147 Kleinschmidt Inc (USA)
Related Parts
5935-00-018-1688INTERCHANGEABLE
ADAPTER,CONNECTOR
5930-00-102-5951INTERCHANGEABLE
CAPILLARY BULB CLAM
50145
6605-00-146-6800INTERCHANGEABLE
CONTROL,UNDERWATER LOG
50147
5330-00-368-6824INTERCHANGEABLE
GASKET SET
102547H
1005-00-831-1364INTERCHANGEABLE
DISCONNECTOR
1005-01-487-2602INTERCHANGEABLE
BARREL,AUTOMATIC GUN
50147
5945-01-708-1964INTERCHANGEABLE
SOLENOID ASSEMBLY
50147

Frequently Asked Questions

What is NSN 5310-00-521-8475?

NSN 5310-00-521-8475 is a Washer,flat, manufactured by Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-521-8475?

NSN 5310-00-521-8475 has 4 cross-referenced part numbers: 53105218475 (E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales), XY44460 (Bae Systems Information and Electronic Systems Integration Inc. Div Bae Systems Information & Electronic Systems Integration Inc), SCB69389-4 (Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir), 50147 (Kleinschmidt Inc).

What NSN replaces 5310-00-521-8475?

There are 7 known substitutes for 5310-00-521-8475: 5935-00-018-1688, 5930-00-102-5951, 6605-00-146-6800 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of SCB69389-4?

Key specifications for SCB69389-4: Thickness: 0.0367 INCHES MINIMUM AND 0.0387 INCHES MAXIMUM IN; Cross-Sectional Shape Style: RECTANGULAR; Overall Diameter: 0.422 INCHES MINIMUM AND 0.453 INCHES MAXIMUM IN; Peripheral Shape Style: ROUND. 5 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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