PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

SCB69322-1Washer,flat

Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir · NSN 5310-00-521-8729 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-521-8729 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-521-8729. Primary manufacturer part number: SCB69322-1.
Features
  • Washer,flat — FSC 5310
  • Surface Treatment Document and Classification: MIL-F-14072 FINISH E211 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
  • Material: STEEL COMP 1006 OR STEEL COMP 1008 OR STEEL COMP 1010 OR STEEL COMP 1011 OR STEEL COMP 1012 OR STEEL COMP 1013 OR STEEL COMP 1015 OR STEEL COMP 1016 OR STEEL COMP 1017 OR STEEL COMP 1018 OR STEEL COMP 1019 OR STEEL COMP 1020 OVERALL
  • Material Document and Classification: 66 FED STD ALL MATERIAL RESPONSES OVERALL
  • Cross-Sectional Shape Style: RECTANGULAR
  • Surface Treatment: PHOSPHATE OVERALL
  • Overall Diameter: 0.344 INCHES NOMINAL IN
  • Center Hole Shape Style: ROUND
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Comp 1006 or Steel Comp 1008 or Steel Comp 1010 or Steel Comp 1011 or Steel Comp 1012 or Steel Comp 1013 or Steel Comp 1015 or Steel Comp 1016 or Steel Comp 1017 or Steel Comp 1018 or Steel Comp 1019 or Steel Comp 1020 Overall construction
General Description

The Washer,flat, cataloged under National Stock Number 5310-00-521-8729, 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 10 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. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-00-521-8729
Primary Part NumberSCB69322-1
Item NameWasher,flat
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerUs Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
StatusACTIVE
Surface Treatment Document and ClassificationMIL-F-14072 FINISH E211 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
MaterialSTEEL COMP 1006 OR STEEL COMP 1008 OR STEEL COMP 1010 OR STEEL COMP 1011 OR STEEL COMP 1012 OR STEEL COMP 1013 OR STEEL COMP 1015 OR STEEL COMP 1016 OR STEEL COMP 1017 OR STEEL COMP 1018 OR STEEL COMP 1019 OR STEEL COMP 1020 OVERALL
Material Document and Classification66 FED STD ALL MATERIAL RESPONSES OVERALL
Cross-Sectional Shape StyleRECTANGULAR
Surface TreatmentPHOSPHATE OVERALL
Overall Diameter0.344 INCHES NOMINAL IN
Center Hole Shape StyleROUND
Thickness0.025 INCHES NOMINAL IN
Hole Diameter0.191 INCHES NOMINAL IN
Peripheral Shape StyleROUND
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
5310-00-304-961510863498 INTERCHANGEABLE
Nut,plain,round
U S Army Tank Automotive Command Amsta-Im-Mm
2520-00-379-4306 INTERCHANGEABLE
Disk,clutch,vehicular
3020-00-489-5793X120833-18 INTERCHANGEABLE
Chain,roller
Diamond Chain Co Div of Amsted Industries Inc
5970-00-763-620211732697-5 INTERCHANGEABLE
Insulator,bushing
Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate
5365-01-044-289050315 INTERCHANGEABLE
Spacer,ring
The Oilgear Company Dba Jiffy Lube 213 Div Oilgear
7025-01-435-3100 INTERCHANGEABLE
Disk Drive Unit
5330-01-486-4526NB01025E-0125-5 INTERCHANGEABLE
Gasket
Hunt Valve Company, Inc.
1560-01-611-194750315 INTERCHANGEABLE
Wing Assembly,aircraft
Aerovironment, Inc. Dba Aerovironment Inc
6120-01-669-727150315 INTERCHANGEABLE
Transformer,power
Power Paragon, Inc. Dba Power Magnetics Div Power Magnetics
Cross-Reference Index
Part NumberManufacturer
SCB69322-1 PRIMARY Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir (USA)
50315 Kleinschmidt Inc (USA)
Related Parts
5310-00-304-9615INTERCHANGEABLE
NUT,PLAIN,ROUND
10863498
2520-00-379-4306INTERCHANGEABLE
DISK,CLUTCH,VEHICULAR
3020-00-489-5793INTERCHANGEABLE
CHAIN,ROLLER
X120833-18
5970-00-763-6202INTERCHANGEABLE
INSULATOR,BUSHING
11732697-5
5365-01-044-2890INTERCHANGEABLE
SPACER,RING
50315
7025-01-435-3100INTERCHANGEABLE
DISK DRIVE UNIT
5330-01-486-4526INTERCHANGEABLE
GASKET
NB01025E-0125-5
1560-01-611-1947INTERCHANGEABLE
WING ASSEMBLY,AIRCRAFT
50315
6120-01-669-7271INTERCHANGEABLE
TRANSFORMER,POWER
50315

Frequently Asked Questions

What is NSN 5310-00-521-8729?

NSN 5310-00-521-8729 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 5310-00-521-8729?

NSN 5310-00-521-8729 has 2 cross-referenced part numbers: SCB69322-1 (Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir), 50315 (Kleinschmidt Inc).

What NSN replaces 5310-00-521-8729?

There are 9 known substitutes for 5310-00-521-8729: 5310-00-304-9615, 2520-00-379-4306, 3020-00-489-5793 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of SCB69322-1?

Key specifications for SCB69322-1: Surface Treatment Document and Classification: MIL-F-14072 FINISH E211 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL; Material: STEEL COMP 1006 OR STEEL COMP 1008 OR STEEL COMP 1010 OR STEEL COMP 1011 OR STEEL COMP 1012 OR STEEL COMP 1013 OR STEEL COMP 1015 OR STEEL COMP 1016 OR STEEL COMP 1017 OR STEEL COMP 1018 OR STEEL COMP 1019 OR STEEL COMP 1020 OVERALL; Material Document and Classification: 66 FED STD ALL MATERIAL RESPONSES OVERALL; Cross-Sectional Shape Style: RECTANGULAR. 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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