PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

A1589Washer,special

Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic · NSN 5310-01-263-4116 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-01-263-4116 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-263-4116. Primary manufacturer part number: A1589.
Features
  • Washer,special — FSC 5310
  • 1 verified cross-reference
  • Primary manufacturer: Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Washer,special, cataloged under National Stock Number 5310-01-263-4116, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameWasher,special
FSC / FSG5310 — No Item Name Available (FSG 53)
ManufacturersTwin Disc, Incorporated Dba Twin Disc Mid-Atlantic (CAGE 61208)
Technical Specifications
ParameterValue
NSN5310-01-263-4116
Primary Part NumberA1589
Item NameWasher,special
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerTwin Disc, Incorporated Dba Twin Disc Mid-Atlantic
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5310-00-012-0611120611 INTERCHANGEABLE
Nut,plain,square
Chrysler Realty Company Llc Dba Daimler Chrysler
4730-00-190-78819975206-8 INTERCHANGEABLE
Adapter,straight,pipe to Tube
Us Army Aviation and Missile Command
6610-00-924-8155A1589 INTERCHANGEABLE
Adjusting,screw
Kelly Manufacturing Company
5342-01-212-32490020120010 INTERCHANGEABLE
Clamp
Newton Instrument Company Dba Newton Instrument Co
Cross-Reference Index
Part NumberManufacturer
A1589 PRIMARY Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic (USA)
Related Parts
5310-00-012-0611INTERCHANGEABLE
NUT,PLAIN,SQUARE
120611
4730-00-190-7881INTERCHANGEABLE
ADAPTER,STRAIGHT,PIPE TO TUBE
9975206-8
6610-00-924-8155INTERCHANGEABLE
ADJUSTING,SCREW
A1589
5342-01-212-3249INTERCHANGEABLE
CLAMP
0020120010

Frequently Asked Questions

What is NSN 5310-01-263-4116?

NSN 5310-01-263-4116 is a Washer,special, manufactured by Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-01-263-4116?

NSN 5310-01-263-4116 has 1 cross-referenced part number: A1589 (Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic).

What NSN replaces 5310-01-263-4116?

There are 4 known substitutes for 5310-01-263-4116: 5310-00-012-0611, 4730-00-190-7881, 6610-00-924-8155 and 1 more. Verify interchangeability with system specifications before substitution.

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