PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

R458Parts Kit,shift Valve

Williams Controls Inc · NSN 2590-00-247-6657 · FSC 2590 · No Item Name Available
Verified by PartsTable
NSN 2590-00-247-6657 — this item is cataloged by the U.S. Government under National Stock Number 2590-00-247-6657. Primary manufacturer part number: R458.
Features
  • Parts Kit,shift Valve — FSC 2590
  • General Characteristics Item Description: CONSISTS OF 1 POPPET P/N 11331 3171,1 STEM P/N 11331 3173,1 DUST BOOT P/N 11331 3176,2 O-RING P/N 11331 52W8,1 O-RING P/N 11331 52W319
  • 1 verified cross-reference
  • Primary manufacturer: Williams Controls Inc
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Parts Kit,shift Valve, cataloged under National Stock Number 2590-00-247-6657, is classified within Federal Supply Class 2590 (No Item Name Available) of the Vehicular Equipment Components group. The primary manufacturer of record is Williams Controls Inc. Government technical data includes 1 verified specification, 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. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN2590-00-247-6657
Primary Part NumberR458
Item NameParts Kit,shift Valve
FSC / FSG2590 / 25 — No Item Name Available
ManufacturerWilliams Controls Inc
StatusACTIVE
General Characteristics Item DescriptionCONSISTS OF 1 POPPET P/N 11331 3171,1 STEM P/N 11331 3173,1 DUST BOOT P/N 11331 3176,2 O-RING P/N 11331 52W8,1 O-RING P/N 11331 52W319
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
2520-00-734-838510973 INTERCHANGEABLE
Disk Asy W Facing
Sachs-Boge of America
Cross-Reference Index
Part NumberManufacturer
R458 PRIMARY Williams Controls Inc (USA)
Related Parts
2520-00-734-8385INTERCHANGEABLE
DISK ASY W FACING
10973

Frequently Asked Questions

What is NSN 2590-00-247-6657?

NSN 2590-00-247-6657 is a Parts Kit,shift Valve, manufactured by Williams Controls Inc, classified under FSC 2590 (No Item Name Available). Status: active.

What are the part numbers for NSN 2590-00-247-6657?

NSN 2590-00-247-6657 has 1 cross-referenced part number: R458 (Williams Controls Inc).

What NSN replaces 2590-00-247-6657?

There is 1 known substitute for 2590-00-247-6657: 2520-00-734-8385. Verify interchangeability with system specifications before substitution.

What are the specifications of R458?

Key specifications for R458: General Characteristics Item Description: CONSISTS OF 1 POPPET P/N 11331 3171,1 STEM P/N 11331 3173,1 DUST BOOT P/N 11331 3176,2 O-RING P/N 11331 52W8,1 O-RING P/N 11331 52W319. 1 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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