PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

VU-8Piston Follower,pump

Circor Naval Solutions Llc Dba Warren Pumps · NSN 4320-01-173-4192 · FSC 4320 · No Item Name Available
Verified by PartsTable
NSN 4320-01-173-4192 — this item is cataloged by the U.S. Government under National Stock Number 4320-01-173-4192. Primary manufacturer part number: VU-8.
Features
  • Piston Follower,pump — FSC 4320
  • General Characteristics Item Description: HIGH TEXT GRAY IRON; STEAM ACTIVATES PISTON
  • 3 verified cross-references
  • Primary manufacturer: Circor Naval Solutions Llc Dba Warren Pumps
Applications
  • Fluid transfer and circulation
  • Cooling system maintenance
  • Industrial process pumping
General Description

The Piston Follower,pump, cataloged under National Stock Number 4320-01-173-4192, is classified within Federal Supply Class 4320 (No Item Name Available) of the Pumps and Compressors group. The primary manufacturer of record is Circor Naval Solutions Llc Dba Warren Pumps. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4320-01-173-4192
Primary Part NumberVU-8
Item NamePiston Follower,pump
FSC / FSG4320 / 43 — No Item Name Available
ManufacturerCircor Naval Solutions Llc Dba Warren Pumps
StatusACTIVE
General Characteristics Item DescriptionHIGH TEXT GRAY IRON; STEAM ACTIVATES PISTON
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 11
5120-00-018-1553 INTERCHANGEABLE
Socket,socket Wrench
4320-01-171-7359WL-28 INTERCHANGEABLE
Connecting Rod,piston
Circor Naval Solutions Llc Dba Warren Pumps
4320-01-173-4191VR-22 INTERCHANGEABLE
Piston Follower,pump
Circor Naval Solutions Llc Dba Warren Pumps
4320-01-173-4646YG-30 INTERCHANGEABLE
Valve Assembly,pump
Circor Naval Solutions Llc Dba Warren Pumps
4320-01-173-4647UF-6 INTERCHANGEABLE
Lever Assembly,pump
Circor Naval Solutions Llc Dba Warren Pumps
4820-01-173-8362BS8-2326-117 INTERCHANGEABLE
Seat,valve
Euramco Safety Inc
4320-01-174-1431UA-18 INTERCHANGEABLE
Cylinder Sleeve
Circor Naval Solutions Llc Dba Warren Pumps
4320-01-174-1434SA-47 INTERCHANGEABLE
Connecting Rod,piston
Circor Naval Solutions Llc Dba Warren Pumps
4320-01-174-1435SB-34 INTERCHANGEABLE
Connecting Rod,piston
Circor Naval Solutions Llc Dba Warren Pumps
4810-01-209-2350BS8-2326-116/118 INTERCHANGEABLE
Stem,fluid Valve
Euramco Safety Inc
Cross-Reference Index
Part NumberManufacturer
BS8-2326 PIECE 27 Circor Naval Solutions Llc Dba Warren Pumps (USA)
BS8-2326 Circor Naval Solutions Llc Dba Warren Pumps (USA)
VU-8 PRIMARY Circor Naval Solutions Llc Dba Warren Pumps (USA)
Related Parts
5120-00-018-1553INTERCHANGEABLE
SOCKET,SOCKET WRENCH
4320-01-171-7359INTERCHANGEABLE
CONNECTING ROD,PISTON
WL-28
4320-01-173-4191INTERCHANGEABLE
PISTON FOLLOWER,PUMP
VR-22
4320-01-173-4646INTERCHANGEABLE
VALVE ASSEMBLY,PUMP
YG-30
4320-01-173-4647INTERCHANGEABLE
LEVER ASSEMBLY,PUMP
UF-6
4820-01-173-8362INTERCHANGEABLE
SEAT,VALVE
BS8-2326-117
4320-01-174-1431INTERCHANGEABLE
CYLINDER SLEEVE
UA-18
4320-01-174-1434INTERCHANGEABLE
CONNECTING ROD,PISTON
SA-47
4320-01-174-1435INTERCHANGEABLE
CONNECTING ROD,PISTON
SB-34
4810-01-209-2350INTERCHANGEABLE
STEM,FLUID VALVE
BS8-2326-116/118
4320-01-211-5578INTERCHANGEABLE
CYLINDER SLEEVE
BS8-2326-104

Frequently Asked Questions

What is NSN 4320-01-173-4192?

NSN 4320-01-173-4192 is a Piston Follower,pump, manufactured by Circor Naval Solutions Llc Dba Warren Pumps, classified under FSC 4320 (No Item Name Available). Status: active.

What are the part numbers for NSN 4320-01-173-4192?

NSN 4320-01-173-4192 has 3 cross-referenced part numbers: BS8-2326 PIECE 27 (Circor Naval Solutions Llc Dba Warren Pumps), BS8-2326 (Circor Naval Solutions Llc Dba Warren Pumps), VU-8 (Circor Naval Solutions Llc Dba Warren Pumps).

What NSN replaces 4320-01-173-4192?

There are 11 known substitutes for 4320-01-173-4192: 5120-00-018-1553, 4320-01-171-7359, 4320-01-173-4191 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of VU-8?

Key specifications for VU-8: End Item Identification: HOUDAILLE INDUSTRIES INC,WARREN PUMPS DIV 7 BY 7 BY 12 VERTICAL SINGLE PISTON PUMP; General Characteristics Item Description: HIGH TEXT GRAY IRON; STEAM ACTIVATES PISTON. 2 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