PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

SCB69325-2Washer,flat

Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir · NSN 5310-00-521-8741 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-521-8741 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-521-8741. Primary manufacturer part number: SCB69325-2.
Features
  • Washer,flat — FSC 5310
  • Overall Diameter: 0.625 INCHES NOMINAL IN
  • Features Provided: CASEHARDENED
  • Center Hole Shape Style: ROUND
  • Material Document and Classification: AISI,1/4 HARD ASSN STD ALL MATERIAL RESPONSES OVERALL
  • Material: STEEL COMP 1006 OR STEEL COMP 1008 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
  • Surface Treatment: PHOSPHATE OVERALL
  • Surface Treatment Document and Classification: MIL-F-14072,FINISH E211 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Comp 1006 or Steel Comp 1008 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 5310-00-521-8741, 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. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-00-521-8741
Primary Part NumberSCB69325-2
Item NameWasher,flat
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerUs Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
StatusACTIVE
Overall Diameter0.625 INCHES NOMINAL IN
Features ProvidedCASEHARDENED
Center Hole Shape StyleROUND
Material Document and ClassificationAISI,1/4 HARD ASSN STD ALL MATERIAL RESPONSES OVERALL
MaterialSTEEL COMP 1006 OR STEEL COMP 1008 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
Surface TreatmentPHOSPHATE OVERALL
Surface Treatment Document and ClassificationMIL-F-14072,FINISH E211 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
Peripheral Shape StyleROUND
Cross-Sectional Shape StyleRECTANGULAR
Hole Diameter0.406 INCHES MINIMUM AND 0.408 INCHES MAXIMUM IN
Thickness0.0295 INCHES MINIMUM AND 0.0325 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
5315-00-119-654150306 INTERCHANGEABLE
Pin,shoulder,headless
Hamilton Sundstrand Corporation Dba Collins Aerospace
5905-00-215-4803A50306 INTERCHANGEABLE
Resistor Assembly
Ohmite Holding, L.l.c. Dba Ohmite Manufacturing
5305-00-288-2967 INTERCHANGEABLE
Setscrew
5360-00-352-862950306 INTERCHANGEABLE
Spring,helical,torsion
Sealcraft Corporation
5331-00-536-68352-220 N674-70 INTERCHANGEABLE
O-Ring
Parker-Hannifin Corp Div O-Ring Division
5805-01-284-35020050300630 INTERCHANGEABLE
Intermediate Distributing Frame,
Newton Instrument Company Dba Newton Instrument Co
5331-01-345-232350306 INTERCHANGEABLE
O-Ring
Paccar Winch Inc Dba Paccar Winch Division
5330-01-627-316350306 INTERCHANGEABLE
Seal,plain Encased
Aerocontrolex Group, Inc.
Cross-Reference Index
Part NumberManufacturer
SCB69325-2 PRIMARY Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir (USA)
50306 Kleinschmidt Inc (USA)
Related Parts
5315-00-119-6541INTERCHANGEABLE
PIN,SHOULDER,HEADLESS
50306
5905-00-215-4803INTERCHANGEABLE
RESISTOR ASSEMBLY
A50306
5305-00-288-2967INTERCHANGEABLE
SETSCREW
5360-00-352-8629INTERCHANGEABLE
SPRING,HELICAL,TORSION
50306
5331-00-536-6835INTERCHANGEABLE
O-RING
2-220 N674-70
5805-01-284-3502INTERCHANGEABLE
INTERMEDIATE DISTRIBUTING FRAME,
0050300630
5331-01-345-2323INTERCHANGEABLE
O-RING
50306
5330-01-627-3163INTERCHANGEABLE
SEAL,PLAIN ENCASED
50306

Frequently Asked Questions

What is NSN 5310-00-521-8741?

NSN 5310-00-521-8741 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 5310-00-521-8741?

NSN 5310-00-521-8741 has 2 cross-referenced part numbers: SCB69325-2 (Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir), 50306 (Kleinschmidt Inc).

What NSN replaces 5310-00-521-8741?

There are 8 known substitutes for 5310-00-521-8741: 5315-00-119-6541, 5905-00-215-4803, 5305-00-288-2967 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of SCB69325-2?

Key specifications for SCB69325-2: Overall Diameter: 0.625 INCHES NOMINAL IN; Features Provided: CASEHARDENED; Center Hole Shape Style: ROUND; Material Document and Classification: AISI,1/4 HARD ASSN STD ALL MATERIAL RESPONSES 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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