PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

639919Wiper,valve

Allis-Chalmers Corp · NSN 2520-00-460-6511 · FSC 2520 · No Item Name Available
Verified by PartsTable
NSN 2520-00-460-6511 — this item is cataloged by the U.S. Government under National Stock Number 2520-00-460-6511. Primary manufacturer part number: 639919.
Features
  • Wiper,valve — FSC 2520
  • General Characteristics Item Description: STEEL,0.865 IN.DIA,0.435 IN.LG IN
  • 1 verified cross-reference
  • Primary manufacturer: Allis-Chalmers Corp
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Wiper,valve, cataloged under National Stock Number 2520-00-460-6511, is classified within Federal Supply Class 2520 (No Item Name Available) of the Vehicular Equipment Components group. The primary manufacturer of record is Allis-Chalmers Corp. 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. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN2520-00-460-6511
Primary Part Number639919
Item NameWiper,valve
FSC / FSG2520 / 25 — No Item Name Available
ManufacturerAllis-Chalmers Corp
StatusACTIVE
General Characteristics Item DescriptionSTEEL,0.865 IN.DIA,0.435 IN.LG IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
6625-00-378-1330PN52-0-500VAC INTERCHANGEABLE
Voltmeter
Phaostron Instrument and Electronic Company
3030-00-528-0921B50-2 INTERCHANGEABLE
Belts,v,matched Set
Muviq Usa, Llc
Cross-Reference Index
Part NumberManufacturer
639919 Allis-Chalmers Corp (USA)
Related Parts
6625-00-378-1330INTERCHANGEABLE
VOLTMETER
PN52-0-500VAC
3030-00-528-0921INTERCHANGEABLE
BELTS,V,MATCHED SET
B50-2

Frequently Asked Questions

What is NSN 2520-00-460-6511?

NSN 2520-00-460-6511 is a Wiper,valve, manufactured by Allis-Chalmers Corp, classified under FSC 2520 (No Item Name Available). Status: active.

What are the part numbers for NSN 2520-00-460-6511?

NSN 2520-00-460-6511 has 1 cross-referenced part number: 639919 (Allis-Chalmers Corp).

What NSN replaces 2520-00-460-6511?

There are 2 known substitutes for 2520-00-460-6511: 6625-00-378-1330, 3030-00-528-0921. Verify interchangeability with system specifications before substitution.

What are the specifications of 639919?

Key specifications for 639919: General Characteristics Item Description: STEEL,0.865 IN.DIA,0.435 IN.LG IN. 1 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com