PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

UP-6Tappet,pump

Circor Naval Solutions Llc Dba Warren Pumps · NSN 4320-01-083-8104 · FSC 4320 · No Item Name Available
Verified by PartsTable
NSN 4320-01-083-8104 — this item is cataloged by the U.S. Government under National Stock Number 4320-01-083-8104. Primary manufacturer part number: UP-6.
Features
  • Tappet,pump — FSC 4320
  • 4 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 Tappet,pump, cataloged under National Stock Number 4320-01-083-8104, 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. This item has 4 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameTappet,pump
FSC / FSG4320 — No Item Name Available (FSG 43)
ManufacturersCircor Naval Solutions Llc Dba Warren Pumps (CAGE 63857); Rps-Fl, Inc. Dba Rps Inc (CAGE 54402)
Technical Specifications
ParameterValue
NSN4320-01-083-8104
Primary Part NumberUP-6
Item NameTappet,pump
FSC / FSG4320 / 43 — No Item Name Available
ManufacturerCircor Naval Solutions Llc Dba Warren Pumps
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
4320-01-083-5716UX-12 INTERCHANGEABLE
Piston,pump
Circor Naval Solutions Llc Dba Warren Pumps
4320-01-083-7353UU-44 INTERCHANGEABLE
Steam Cylinder,pump,reciprocatin
Circor Naval Solutions Llc Dba Warren Pumps
4320-01-083-8106C-1063 INTERCHANGEABLE
Crosshead Assembly,pump
Camar Corp.
4310-01-184-4258UJ1 INTERCHANGEABLE
Ring,piston
Circor Naval Solutions Llc Dba Warren Pumps
4820-01-184-9365XS-1 INTERCHANGEABLE
Valve,angle
Circor Naval Solutions Llc Dba Warren Pumps
4820-01-184-9808BS8-2326-138A INTERCHANGEABLE
Cap,valve
Euramco Safety Inc
Cross-Reference Index
Part NumberManufacturer
BS5-2349 Circor Naval Solutions Llc Dba Warren Pumps (USA)
UP-6 PRIMARY Circor Naval Solutions Llc Dba Warren Pumps (USA)
BS5-2349A4PC111 Circor Naval Solutions Llc Dba Warren Pumps (USA)
L-2250 PRIMARY Rps-Fl, Inc. Dba Rps Inc (USA)
Related Parts
4320-01-083-5716INTERCHANGEABLE
PISTON,PUMP
UX-12
4320-01-083-7353INTERCHANGEABLE
STEAM CYLINDER,PUMP,RECIPROCATIN
UU-44
4320-01-083-8106INTERCHANGEABLE
CROSSHEAD ASSEMBLY,PUMP
C-1063
4310-01-184-4258INTERCHANGEABLE
RING,PISTON
UJ1
4820-01-184-9365INTERCHANGEABLE
VALVE,ANGLE
XS-1
4820-01-184-9808INTERCHANGEABLE
CAP,VALVE
BS8-2326-138A

Frequently Asked Questions

What is NSN 4320-01-083-8104?

NSN 4320-01-083-8104 is a Tappet,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 4320-01-083-8104?

NSN 4320-01-083-8104 has 4 cross-referenced part numbers: BS5-2349 (Circor Naval Solutions Llc Dba Warren Pumps), UP-6 (Circor Naval Solutions Llc Dba Warren Pumps), BS5-2349A4PC111 (Circor Naval Solutions Llc Dba Warren Pumps), L-2250 (Rps-Fl, Inc. Dba Rps Inc).

What NSN replaces 4320-01-083-8104?

There are 6 known substitutes for 4320-01-083-8104: 4320-01-083-5716, 4320-01-083-7353, 4320-01-083-8106 and 3 more. Verify interchangeability with system specifications before substitution.

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