PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

7681Washer,shouldered

Keystone Electronics Corp · NSN 5310-01-565-4724 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-01-565-4724 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-565-4724. Primary manufacturer part number: 7681.
Features
  • Washer,shouldered — FSC 5310
  • Shoulder Diameter: 0.250 INCHES NOMINAL IN
  • Shoulder Height: 0.032 INCHES NOMINAL IN
  • Hole Diameter: 0.115 INCHES NOMINAL IN
  • Material: PLASTIC NYLON OVERALL
  • Style Designator: SHOULDERED
  • Outside Diameter: 0.185 INCHES NOMINAL IN
  • 1 verified cross-reference
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Plastic Nylon Overall construction
General Description

The Washer,shouldered, cataloged under National Stock Number 5310-01-565-4724, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Keystone Electronics Corp. Government technical data includes 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, 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
NSN5310-01-565-4724
Primary Part Number7681
Item NameWasher,shouldered
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerKeystone Electronics Corp
StatusACTIVE
Shoulder Diameter0.250 INCHES NOMINAL IN
Shoulder Height0.032 INCHES NOMINAL IN
Hole Diameter0.115 INCHES NOMINAL IN
MaterialPLASTIC NYLON OVERALL
Style DesignatorSHOULDERED
Outside Diameter0.185 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
5998-00-056-12047681 INTERCHANGEABLE
Circuit Card Assembly
Drs Signal Solutions, Inc.
4710-00-248-4310 INTERCHANGEABLE
Tube Assembly,metal
5935-00-811-9621768-1 INTERCHANGEABLE
Connector,plug,electrical
Microwave Devices Inc
5342-00-975-52317681 INTERCHANGEABLE
Receptacle,quick Release Pin
Avibank Mfg., Inc. Dba Avibank Manufacturing Inc
3040-01-047-1392 INTERCHANGEABLE
Shaft,straight
5962-01-205-4881 INTERCHANGEABLE
Microcircuit,digital
5950-01-353-2870 INTERCHANGEABLE
Reactor
8010-01-532-12117681 INTERCHANGEABLE
Primer Coating
General Dynamics - Ots, Inc.
5340-01-578-10907681 INTERCHANGEABLE
Boot,dust and Moisture Seal
Plastic Dip Moldings Inc
Cross-Reference Index
Part NumberManufacturer
7681 PRIMARY Keystone Electronics Corp (USA)
Related Parts
5998-00-056-1204INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
7681
4710-00-248-4310INTERCHANGEABLE
TUBE ASSEMBLY,METAL
5935-00-811-9621INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
768-1
5342-00-975-5231INTERCHANGEABLE
RECEPTACLE,QUICK RELEASE PIN
7681
3040-01-047-1392INTERCHANGEABLE
SHAFT,STRAIGHT
5962-01-205-4881INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
5950-01-353-2870INTERCHANGEABLE
REACTOR
8010-01-532-1211INTERCHANGEABLE
PRIMER COATING
7681
5340-01-578-1090INTERCHANGEABLE
BOOT,DUST AND MOISTURE SEAL
7681

Frequently Asked Questions

What is NSN 5310-01-565-4724?

NSN 5310-01-565-4724 is a Washer,shouldered, manufactured by Keystone Electronics Corp, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-01-565-4724?

NSN 5310-01-565-4724 has 1 cross-referenced part number: 7681 (Keystone Electronics Corp).

What NSN replaces 5310-01-565-4724?

There are 9 known substitutes for 5310-01-565-4724: 5998-00-056-1204, 4710-00-248-4310, 5935-00-811-9621 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 7681?

Key specifications for 7681: Shoulder Diameter: 0.250 INCHES NOMINAL IN; Overall Height: 0.079 INCHES NOMINAL IN; Shoulder Height: 0.032 INCHES NOMINAL IN; End Item Identification: AIRCRAFT, B-52. 9 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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