PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

SCB77688Washer,flat

Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir · NSN 5310-00-291-4526 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-291-4526 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-291-4526. Primary manufacturer part number: SCB77688.
Features
  • Washer,flat — FSC 5310
  • Center Hole Shape Style: ROUND
  • Material: PLASTIC OVERALL
  • Thickness: 0.031 INCHES NOMINAL IN
  • Overall Diameter: 0.750 INCHES NOMINAL IN
  • Cross-Sectional Shape Style: RECTANGULAR
  • Hole Diameter: 0.502 INCHES NOMINAL IN
  • Peripheral Shape Style: ROUND
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Plastic Overall construction
General Description

The Washer,flat, cataloged under National Stock Number 5310-00-291-4526, 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 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5310-00-291-4526
Primary Part NumberSCB77688
Item NameWasher,flat
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerUs Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
StatusCANCELLED
Center Hole Shape StyleROUND
MaterialPLASTIC OVERALL
Thickness0.031 INCHES NOMINAL IN
Overall Diameter0.750 INCHES NOMINAL IN
Cross-Sectional Shape StyleRECTANGULAR
Hole Diameter0.502 INCHES NOMINAL IN
Peripheral Shape StyleROUND
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
3040-00-213-683611914 INTERCHANGEABLE
Cam,control
Hydro-Aire Aerospace Corp
5120-00-227-8107 INTERCHANGEABLE
Extension,socket Wrench
5136-00-227-8627 INTERCHANGEABLE
Tap,thread Cutting
5945-00-258-1670 INTERCHANGEABLE
Relay,electromagnetic
5945-00-501-8687300-30084 INTERCHANGEABLE
Relay,electromagnetic
Dri Relays Inc. Dba Dri Relays Inc
5815-00-602-2766SM-C-426557 INTERCHANGEABLE
Bar,t,teletypewriter
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
3020-00-866-690411914 INTERCHANGEABLE
Gear,spur
Elbitamerica, Inc.
5310-00-929-610011-914 INTERCHANGEABLE
Washer,key
Pdi Ground Support Systems, Inc.
6150-01-096-4288 INTERCHANGEABLE
Bus,conductor
3010-01-111-2201 INTERCHANGEABLE
Coupling,shaft,flexible
Cross-Reference Index
Part NumberManufacturer
WAS129 Federal Div of Victoreen Instrument Co Inc (USA)
11914 Bell and Howell Phillipsburg Co Corporate Offices (USA)
SMB339043 Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir (USA)
SCB77688 PRIMARY Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir (USA)
611914 Bell and Howell Phillipsburg Co Corporate Offices (USA)
Related Parts
3040-00-213-6836INTERCHANGEABLE
CAM,CONTROL
11914
5120-00-227-8107INTERCHANGEABLE
EXTENSION,SOCKET WRENCH
5136-00-227-8627INTERCHANGEABLE
TAP,THREAD CUTTING
5945-00-258-1670INTERCHANGEABLE
RELAY,ELECTROMAGNETIC
5945-00-501-8687INTERCHANGEABLE
RELAY,ELECTROMAGNETIC
300-30084
5815-00-602-2766INTERCHANGEABLE
BAR,T,TELETYPEWRITER
SM-C-426557
3020-00-866-6904INTERCHANGEABLE
GEAR,SPUR
11914
5310-00-929-6100INTERCHANGEABLE
WASHER,KEY
11-914
6150-01-096-4288INTERCHANGEABLE
BUS,CONDUCTOR
3010-01-111-2201INTERCHANGEABLE
COUPLING,SHAFT,FLEXIBLE
5307-01-132-8277INTERCHANGEABLE
STUD
11914
5920-01-354-8926INTERCHANGEABLE
FUSEHOLDER,EXTRACTOR POST
3031-30

Frequently Asked Questions

What is NSN 5310-00-291-4526?

NSN 5310-00-291-4526 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: cancelled.

What are the part numbers for NSN 5310-00-291-4526?

NSN 5310-00-291-4526 has 5 cross-referenced part numbers: WAS129 (Federal Div of Victoreen Instrument Co Inc), 11914 (Bell and Howell Phillipsburg Co Corporate Offices), SMB339043 (Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir), SCB77688 (Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir), 611914 (Bell and Howell Phillipsburg Co Corporate Offices).

What NSN replaces 5310-00-291-4526?

There are 12 known substitutes for 5310-00-291-4526: 3040-00-213-6836, 5120-00-227-8107, 5136-00-227-8627 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of SCB77688?

Key specifications for SCB77688: Center Hole Shape Style: ROUND; Material: PLASTIC OVERALL; Thickness: 0.031 INCHES NOMINAL IN; Overall Diameter: 0.750 INCHES NOMINAL IN. 7 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5310-00-291-4526 still in active supply?

NSN 5310-00-291-4526 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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