PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

7856Washer,shouldered

Walsco Electronics Corp · NSN 5310-00-582-6643 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-582-6643 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-582-6643. Primary manufacturer part number: 7856.
Features
  • Washer,shouldered — FSC 5310
  • Style Designator: SHOULDERED
  • Hole Diameter: 0.140 INCHES NOMINAL IN
  • Material: PAPER OVERALL
  • Outside Diameter: 0.320 INCHES NOMINAL IN
  • Shoulder Diameter: 0.180 INCHES NOMINAL IN
  • Material Thickness: 0.063 INCHES NOMINAL IN
  • Shoulder Height: 0.030 INCHES NOMINAL IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Paper Overall construction
General Description

The Washer,shouldered, cataloged under National Stock Number 5310-00-582-6643, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Walsco Electronics Corp. 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. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5310-00-582-6643
Primary Part Number7856
Item NameWasher,shouldered
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerWalsco Electronics Corp
StatusCANCELLED
Style DesignatorSHOULDERED
Hole Diameter0.140 INCHES NOMINAL IN
MaterialPAPER OVERALL
Outside Diameter0.320 INCHES NOMINAL IN
Shoulder Diameter0.180 INCHES NOMINAL IN
Material Thickness0.063 INCHES NOMINAL IN
Shoulder Height0.030 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 4
5310-00-275-6635 INTERCHANGEABLE
Washer,flat
5306-00-354-644834-326 INTERCHANGEABLE
Bolt,machine
Dresser Industries Inc Leroi Div
6520-00-554-915015-2045 INTERCHANGEABLE
Scissors,oral Surgical
Sklar Corporation Dba Sklar Instruments
5945-01-268-42658629935 INTERCHANGEABLE
Solenoid,electrical
General Motors Llc Dba General Motors Llc
Cross-Reference Index
Part NumberManufacturer
7856 Walsco Electronics Corp (USA)
7856 Walsco Electronics Corp (USA)
901372-01 Lockheed Martin Corp Dba Lockheed Martin Div Mst - Eagan (USA)
7856 Gc/waldom Inc (USA)
3432-6 Gc/waldom Inc (USA)
Related Parts
5310-00-275-6635INTERCHANGEABLE
WASHER,FLAT
5306-00-354-6448INTERCHANGEABLE
BOLT,MACHINE
34-326
6520-00-554-9150INTERCHANGEABLE
SCISSORS,ORAL SURGICAL
15-2045
5945-01-268-4265INTERCHANGEABLE
SOLENOID,ELECTRICAL
8629935

Frequently Asked Questions

What is NSN 5310-00-582-6643?

NSN 5310-00-582-6643 is a Washer,shouldered, manufactured by Walsco Electronics Corp, classified under FSC 5310 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5310-00-582-6643?

NSN 5310-00-582-6643 has 5 cross-referenced part numbers: 7856 (Walsco Electronics Corp), 7856 (Walsco Electronics Corp), 901372-01 (Lockheed Martin Corp Dba Lockheed Martin Div Mst - Eagan), 7856 (Gc/waldom Inc), 3432-6 (Gc/waldom Inc).

What NSN replaces 5310-00-582-6643?

There are 4 known substitutes for 5310-00-582-6643: 5310-00-275-6635, 5306-00-354-6448, 6520-00-554-9150 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 7856?

Key specifications for 7856: Style Designator: SHOULDERED; Hole Diameter: 0.140 INCHES NOMINAL IN; Material: PAPER OVERALL; Outside Diameter: 0.320 INCHES NOMINAL IN. 7 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5310-00-582-6643 still in active supply?

NSN 5310-00-582-6643 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.
PartsTable Design LLC · partstable.com