PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

6531Washer

The Gorman-Rupp Company Div Gorman-Rupp · NSN 5310-01-120-1287 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-01-120-1287 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-120-1287. Primary manufacturer part number: 6531.
Features
  • Washer — FSC 5310
  • 1 verified cross-reference
  • Primary manufacturer: The Gorman-Rupp Company Div Gorman-Rupp
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Washer, cataloged under National Stock Number 5310-01-120-1287, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is The Gorman-Rupp Company Div Gorman-Rupp. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameWasher
FSC / FSG5310 — No Item Name Available (FSG 53)
ManufacturersThe Gorman-Rupp Company Div Gorman-Rupp (CAGE 25567)
Technical Specifications
ParameterValue
NSN5310-01-120-1287
Primary Part Number6531
Item NameWasher
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerThe Gorman-Rupp Company Div Gorman-Rupp
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
5330-00-017-99806531-103 INTERCHANGEABLE
Seal,nonmetallic Special Shaped
Kirkhill Inc Div Kirkhill Inc, Haskon Division
5975-00-233-62346531 INTERCHANGEABLE
Protector,electrical Cable
Chance Ab
5935-00-430-4112 INTERCHANGEABLE
Connector,plug,electrical
4820-00-595-0333 INTERCHANGEABLE
Valve,air Release
6105-00-822-948318CM-0101-A INTERCHANGEABLE
Motor,control
Cda Intercorp Llc
5945-01-193-0332704AS6274 INTERCHANGEABLE
Relay,solid State
Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier
5975-01-408-63686531 INTERCHANGEABLE
Hanger,cable
Graybar Electric Company, Inc. Dba Graybar Electric
Cross-Reference Index
Part NumberManufacturer
6531 PRIMARY The Gorman-Rupp Company Div Gorman-Rupp (USA)
Related Parts
5330-00-017-9980INTERCHANGEABLE
SEAL,NONMETALLIC SPECIAL SHAPED
6531-103
5975-00-233-6234INTERCHANGEABLE
PROTECTOR,ELECTRICAL CABLE
6531
5935-00-430-4112INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
4820-00-595-0333INTERCHANGEABLE
VALVE,AIR RELEASE
6105-00-822-9483INTERCHANGEABLE
MOTOR,CONTROL
18CM-0101-A
5945-01-193-0332INTERCHANGEABLE
RELAY,SOLID STATE
704AS6274
5975-01-408-6368INTERCHANGEABLE
HANGER,CABLE
6531

Frequently Asked Questions

What is NSN 5310-01-120-1287?

NSN 5310-01-120-1287 is a Washer, manufactured by The Gorman-Rupp Company Div Gorman-Rupp, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-01-120-1287?

NSN 5310-01-120-1287 has 1 cross-referenced part number: 6531 (The Gorman-Rupp Company Div Gorman-Rupp).

What NSN replaces 5310-01-120-1287?

There are 7 known substitutes for 5310-01-120-1287: 5330-00-017-9980, 5975-00-233-6234, 5935-00-430-4112 and 4 more. Verify interchangeability with system specifications before substitution.

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