PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

709731Washer,shouldered

Unison Industries Llc · NSN 5310-01-220-8877 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-01-220-8877 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-220-8877. Primary manufacturer part number: 709731.
Features
  • Washer,shouldered — FSC 5310
  • 5 verified cross-references
  • Primary manufacturer: Unison Industries Llc
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Washer,shouldered, cataloged under National Stock Number 5310-01-220-8877, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Unison Industries Llc. This item has 5 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameWasher,shouldered
FSC / FSG5310 — No Item Name Available (FSG 53)
ManufacturersUnison Industries, Llc Dba Unison Industries Inc (CAGE 83311); Page Chester Ltd Dba Cooperative Industries Div Cooperative Industries Aerospace Defense (CAGE 81482); Unison Industries Llc (CAGE 59501)
Technical Specifications
ParameterValue
NSN5310-01-220-8877
Primary Part Number709731
Item NameWasher,shouldered
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerUnison Industries Llc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
5310-00-295-157352712 INTERCHANGEABLE
Washer,shouldered
Page Chester Ltd Dba Cooperative Industries Div Cooperative Industries Aerospace Defense
7520-01-238-8041 INTERCHANGEABLE
Marker,tube Type
5325-01-309-076763732 INTERCHANGEABLE
Grommet,metallic
General Electric Company Dba Ge Aerospace
4720-01-445-22236373-2 INTERCHANGEABLE
Hose Assembly,nonmetallic
Transdigm Inc Div Adelwiggins Group
4820-01-573-9361 INTERCHANGEABLE
Valve,regulating,fluid Pressure
Cross-Reference Index
Part NumberManufacturer
709731 Unison Industries, Llc Dba Unison Industries Inc (USA)
63732 Page Chester Ltd Dba Cooperative Industries Div Cooperative Industries Aerospace Defense (USA)
63732 Unison Industries, Llc Dba Unison Industries Inc (USA)
63732 Unison Industries Llc (USA)
709731 PRIMARY Unison Industries Llc (USA)
Related Parts
5310-00-295-1573INTERCHANGEABLE
WASHER,SHOULDERED
52712
7520-01-238-8041INTERCHANGEABLE
MARKER,TUBE TYPE
5325-01-309-0767INTERCHANGEABLE
GROMMET,METALLIC
63732
4720-01-445-2223INTERCHANGEABLE
HOSE ASSEMBLY,NONMETALLIC
6373-2
4820-01-573-9361INTERCHANGEABLE
VALVE,REGULATING,FLUID PRESSURE

Frequently Asked Questions

What is NSN 5310-01-220-8877?

NSN 5310-01-220-8877 is a Washer,shouldered, manufactured by Unison Industries Llc, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-01-220-8877?

NSN 5310-01-220-8877 has 5 cross-referenced part numbers: 709731 (Unison Industries, Llc Dba Unison Industries Inc), 63732 (Page Chester Ltd Dba Cooperative Industries Div Cooperative Industries Aerospace Defense), 63732 (Unison Industries, Llc Dba Unison Industries Inc), 63732 (Unison Industries Llc), 709731 (Unison Industries Llc).

What NSN replaces 5310-01-220-8877?

There are 5 known substitutes for 5310-01-220-8877: 5310-00-295-1573, 7520-01-238-8041, 5325-01-309-0767 and 2 more. Verify interchangeability with system specifications before substitution.

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