PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

SCB69325-4Washer,flat

Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir · NSN 5310-00-521-8723 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-521-8723 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-521-8723. Primary manufacturer part number: SCB69325-4.
Features
  • Washer,flat — FSC 5310
  • Cross-Sectional Shape Style: RECTANGULAR
  • Center Hole Shape Style: ROUND
  • Surface Treatment Document and Classification: MIL-F-14072 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
  • Material: STEEL OVERALL
  • Material Document and Classification: QQ-S-636-CANCELED FED SPEC SINGLE MATERIAL RESPONSE OVERALL
  • Features Provided: CASEHARDENED
  • Peripheral Shape Style: ROUND
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Overall construction
General Description

The Washer,flat, cataloged under National Stock Number 5310-00-521-8723, 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 11 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: Active.

Technical Specifications
ParameterValue
NSN5310-00-521-8723
Primary Part NumberSCB69325-4
Item NameWasher,flat
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerUs Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
StatusACTIVE
Cross-Sectional Shape StyleRECTANGULAR
Center Hole Shape StyleROUND
Surface Treatment Document and ClassificationMIL-F-14072 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
MaterialSTEEL OVERALL
Material Document and ClassificationQQ-S-636-CANCELED FED SPEC SINGLE MATERIAL RESPONSE OVERALL
Features ProvidedCASEHARDENED
Peripheral Shape StyleROUND
Overall Diameter0.547 INCHES MINIMUM AND 0.578 INCHES MAXIMUM IN
Thickness0.030 INCHES MINIMUM AND 0.034 INCHES MAXIMUM IN
Surface TreatmentCHROMIUM OVERALL
Hole Diameter0.330 INCHES MINIMUM AND 0.332 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
1005-00-602-223650515 INTERCHANGEABLE
Screw,crane Lock
Colt's Manufacturing Company, Llc
5950-00-782-8197SMC587841 INTERCHANGEABLE
Reactor
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
5340-01-010-987050515 INTERCHANGEABLE
Clamp,loop
Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution
2510-01-055-448919AS679 INTERCHANGEABLE
Parts Kit,leaf Spring
Oshkosh Defense Llc
3110-01-250-772950515 INTERCHANGEABLE
Bearing,needle
Paccar Winch Inc Dba Paccar Winch Division
5995-01-253-67023036648G1 INTERCHANGEABLE
Cable Assembly,radio Frequency
Bae Systems Information and Electronic Systems Integration Inc. Dba Bae Systems
5330-01-572-527950515 INTERCHANGEABLE
Gasket
Baron U S a Inc.
Cross-Reference Index
Part NumberManufacturer
SCB69325-4 Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir (USA)
50515 Kleinschmidt Inc (USA)
Related Parts
1005-00-602-2236INTERCHANGEABLE
SCREW,CRANE LOCK
50515
5950-00-782-8197INTERCHANGEABLE
REACTOR
SMC587841
5340-01-010-9870INTERCHANGEABLE
CLAMP,LOOP
50515
2510-01-055-4489INTERCHANGEABLE
PARTS KIT,LEAF SPRING
19AS679
3110-01-250-7729INTERCHANGEABLE
BEARING,NEEDLE
50515
5995-01-253-6702INTERCHANGEABLE
CABLE ASSEMBLY,RADIO FREQUENCY
3036648G1
5330-01-572-5279INTERCHANGEABLE
GASKET
50515

Frequently Asked Questions

What is NSN 5310-00-521-8723?

NSN 5310-00-521-8723 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 5310-00-521-8723?

NSN 5310-00-521-8723 has 2 cross-referenced part numbers: SCB69325-4 (Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir), 50515 (Kleinschmidt Inc).

What NSN replaces 5310-00-521-8723?

There are 7 known substitutes for 5310-00-521-8723: 1005-00-602-2236, 5950-00-782-8197, 5340-01-010-9870 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of SCB69325-4?

Key specifications for SCB69325-4: Cross-Sectional Shape Style: RECTANGULAR; Center Hole Shape Style: ROUND; Surface Treatment Document and Classification: MIL-F-14072 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL; Material: STEEL OVERALL. 11 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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