PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

L-2155Crosshead Assembly,pump

Rps-Fl, Inc. Dba Rps Inc · NSN 4320-01-083-8106 · FSC 4320 · No Item Name Available
Verified by PartsTable
NSN 4320-01-083-8106 — this item is cataloged by the U.S. Government under National Stock Number 4320-01-083-8106. Primary manufacturer part number: L-2155.
Features
  • Crosshead Assembly,pump — FSC 4320
  • General Characteristics Item Description: CONSISTS OF CROSSHEAD 1; CROSSHEAD CAP 1; CROSSHEAD PIN 1; CROSSHEAD TAPER PIN 1; STUD 1/2 BY 2-1/4IN. 4; NUT,CASTELLATED HEX HD 1/2 IN. 4; NUT,HEX HD 3/8 IN. 1; KEEPER 1/8 BY 1/4 IN. 3 IN
  • 5 verified cross-references
  • Primary manufacturer: Rps-Fl, Inc. Dba Rps Inc
Applications
  • Fluid transfer and circulation
  • Cooling system maintenance
  • Industrial process pumping
General Description

The Crosshead Assembly,pump, cataloged under National Stock Number 4320-01-083-8106, is classified within Federal Supply Class 4320 (No Item Name Available) of the Pumps and Compressors group. The primary manufacturer of record is Rps-Fl, Inc. Dba Rps Inc. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4320-01-083-8106
Primary Part NumberL-2155
Item NameCrosshead Assembly,pump
FSC / FSG4320 / 43 — No Item Name Available
ManufacturerRps-Fl, Inc. Dba Rps Inc
StatusACTIVE
General Characteristics Item DescriptionCONSISTS OF CROSSHEAD 1; CROSSHEAD CAP 1; CROSSHEAD PIN 1; CROSSHEAD TAPER PIN 1; STUD 1/2 BY 2-1/4IN. 4; NUT,CASTELLATED HEX HD 1/2 IN. 4; NUT,HEX HD 3/8 IN. 1; KEEPER 1/8 BY 1/4 IN. 3 IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
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
4320-01-083-8104L-2250 INTERCHANGEABLE
Tappet,pump
Rps-Fl, Inc. Dba Rps Inc
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
4820-01-213-9599C1063B INTERCHANGEABLE
Retainer,disk,valve
Griswold Industries Dba Cla-Val Co
3510-01-531-5096WE17 INTERCHANGEABLE
Washer-Extractor,laundry,commerc
Wascomat of America Div of Bermil Industries Corp
Cross-Reference Index
Part NumberManufacturer
BS5-2349 Circor Naval Solutions Llc Dba Warren Pumps (USA)
BS5-2349A4PC119 Circor Naval Solutions Llc Dba Warren Pumps (USA)
L-2155 PRIMARY Rps-Fl, Inc. Dba Rps Inc (USA)
C-1063 PRIMARY Camar Corp. (USA)
WE-16 PRIMARY Circor Naval Solutions Llc Dba Warren Pumps (USA)
Related Parts
4320-01-083-5716INTERCHANGEABLE
PISTON,PUMP
UX-12
4320-01-083-7353INTERCHANGEABLE
STEAM CYLINDER,PUMP,RECIPROCATIN
UU-44
4320-01-083-8104INTERCHANGEABLE
TAPPET,PUMP
L-2250
4310-01-184-4258INTERCHANGEABLE
RING,PISTON
UJ1
4820-01-184-9365INTERCHANGEABLE
VALVE,ANGLE
XS-1
4820-01-184-9808INTERCHANGEABLE
CAP,VALVE
BS8-2326-138A
4820-01-213-9599INTERCHANGEABLE
RETAINER,DISK,VALVE
C1063B
3510-01-531-5096INTERCHANGEABLE
WASHER-EXTRACTOR,LAUNDRY,COMMERC
WE17

Frequently Asked Questions

What is NSN 4320-01-083-8106?

NSN 4320-01-083-8106 is a Crosshead Assembly,pump, manufactured by Rps-Fl, Inc. Dba Rps Inc, classified under FSC 4320 (No Item Name Available). Status: active.

What are the part numbers for NSN 4320-01-083-8106?

NSN 4320-01-083-8106 has 5 cross-referenced part numbers: BS5-2349 (Circor Naval Solutions Llc Dba Warren Pumps), BS5-2349A4PC119 (Circor Naval Solutions Llc Dba Warren Pumps), L-2155 (Rps-Fl, Inc. Dba Rps Inc), C-1063 (Camar Corp.), WE-16 (Circor Naval Solutions Llc Dba Warren Pumps).

What NSN replaces 4320-01-083-8106?

There are 8 known substitutes for 4320-01-083-8106: 4320-01-083-5716, 4320-01-083-7353, 4320-01-083-8104 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of L-2155?

Key specifications for L-2155: General Characteristics Item Description: CONSISTS OF CROSSHEAD 1; CROSSHEAD CAP 1; CROSSHEAD PIN 1; CROSSHEAD TAPER PIN 1; STUD 1/2 BY 2-1/4IN. 4; NUT,CASTELLATED HEX HD 1/2 IN. 4; NUT,HEX HD 3/8 IN. 1; KEEPER 1/8 BY 1/4 IN. 3 IN. 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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