PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

166156Piston,steam,pump

Curtiss-Wright Electro-Mechanical Corporation Div Epd · NSN 4320-00-336-8878 · FSC 4320 · No Item Name Available
Verified by PartsTable
NSN 4320-00-336-8878 — this item is cataloged by the U.S. Government under National Stock Number 4320-00-336-8878. Primary manufacturer part number: 166156.
Features
  • Piston,steam,pump — FSC 4320
  • General Characteristics Item Description: STEEL BODY; W/TWO BRASS RINGS ON OD,W/TWO STEEL RINGS ON OD; 8.000 IN. OD,1.500 IN. ID,2.500 IN. O/A H; W/TWO THD HOLES,0.688-10 NON STD BY 0.875 IN. DEEP,EQUALLY SPACED ON 3.750 IN. B.C. DIA IN
  • 9 verified cross-references
  • Primary manufacturer: Curtiss-Wright Electro-Mechanical Corporation Div Epd
Applications
  • Fluid transfer and circulation
  • Cooling system maintenance
  • Industrial process pumping
General Description

The Piston,steam,pump, cataloged under National Stock Number 4320-00-336-8878, is classified within Federal Supply Class 4320 (No Item Name Available) of the Pumps and Compressors group. The primary manufacturer of record is Curtiss-Wright Electro-Mechanical Corporation Div Epd. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 9 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4320-00-336-8878
Primary Part Number166156
Item NamePiston,steam,pump
FSC / FSG4320 / 43 — No Item Name Available
ManufacturerCurtiss-Wright Electro-Mechanical Corporation Div Epd
StatusACTIVE
General Characteristics Item DescriptionSTEEL BODY; W/TWO BRASS RINGS ON OD,W/TWO STEEL RINGS ON OD; 8.000 IN. OD,1.500 IN. ID,2.500 IN. O/A H; W/TWO THD HOLES,0.688-10 NON STD BY 0.875 IN. DEEP,EQUALLY SPACED ON 3.750 IN. B.C. DIA IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5920-00-142-734517F14620 INTERCHANGEABLE
Fuse,cartridge
Naval Sea Systems Command
5975-00-152-9932143AL INTERCHANGEABLE
Locknut,electrical Conduit
Abb Installation Products Inc
3110-00-155-624010702 INTERCHANGEABLE
Bearing,ball,annular
Hyster-Yale Group, Inc.
3110-00-183-9160107905 INTERCHANGEABLE
Retainer and Balls,bearing
General Motors Llc Dba General Motors Llc
5330-00-318-844110702 INTERCHANGEABLE
Seal Ring,metal
Pacific Piston Ring Co Inc
5120-00-449-80832205 INTERCHANGEABLE
Wrench,adjustable
Reed Manufacturing Company
5935-00-540-9065ST5M1377T3 INTERCHANGEABLE
Backshell,electrical Connector
The Boeing Company Div Defense
5935-00-569-77381070-2 INTERCHANGEABLE
Adapter,tube,thermocouple
Marlin Mfg. Corp Div Marlin Manufacturing Corporation
6625-00-954-0688 INTERCHANGEABLE
Ammeter
5995-01-099-50101070-2 INTERCHANGEABLE
Cable Assembly,special Purpose,e
Leidos, Inc. Div Cyber and Information Solutions Services
Cross-Reference Index
Part NumberManufacturer
166156 Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging (USA)
15296P Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging (USA)
4600P Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging (USA)
SL-4066PC7 Curtiss-Wright Electro-Mechanical Corporation Div Epd (USA)
SL-4066PC7 Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging (USA)
10702 Rps-Fl, Inc. Dba Rps Inc (USA)
SL-4066PC7 Rps-Fl, Inc. Dba Rps Inc (USA)
166156 PRIMARY Curtiss-Wright Electro-Mechanical Corporation Div Epd (USA)
4600P Curtiss-Wright Electro-Mechanical Corporation Div Epd (USA)
Related Parts
5920-00-142-7345INTERCHANGEABLE
FUSE,CARTRIDGE
17F14620
5975-00-152-9932INTERCHANGEABLE
LOCKNUT,ELECTRICAL CONDUIT
143AL
3110-00-155-6240INTERCHANGEABLE
BEARING,BALL,ANNULAR
10702
3110-00-183-9160INTERCHANGEABLE
RETAINER AND BALLS,BEARING
107905
5330-00-318-8441INTERCHANGEABLE
SEAL RING,METAL
10702
5120-00-449-8083INTERCHANGEABLE
WRENCH,ADJUSTABLE
2205
5935-00-540-9065INTERCHANGEABLE
BACKSHELL,ELECTRICAL CONNECTOR
ST5M1377T3
5935-00-569-7738INTERCHANGEABLE
ADAPTER,TUBE,THERMOCOUPLE
1070-2
6625-00-954-0688INTERCHANGEABLE
AMMETER
5995-01-099-5010INTERCHANGEABLE
CABLE ASSEMBLY,SPECIAL PURPOSE,E
1070-2
6675-01-105-5755INTERCHANGEABLE
COMPLIATION SECTION
5365-01-139-1999INTERCHANGEABLE
SHIM
10702

Frequently Asked Questions

What is NSN 4320-00-336-8878?

NSN 4320-00-336-8878 is a Piston,steam,pump, manufactured by Curtiss-Wright Electro-Mechanical Corporation Div Epd, classified under FSC 4320 (No Item Name Available). Status: active.

What are the part numbers for NSN 4320-00-336-8878?

NSN 4320-00-336-8878 has 9 cross-referenced part numbers: 166156 (Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging), 15296P (Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging), 4600P (Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging), SL-4066PC7 (Curtiss-Wright Electro-Mechanical Corporation Div Epd), SL-4066PC7 (Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging) and 4 more.

What NSN replaces 4320-00-336-8878?

There are 12 known substitutes for 4320-00-336-8878: 5920-00-142-7345, 5975-00-152-9932, 3110-00-155-6240 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 166156?

Key specifications for 166156: General Characteristics Item Description: STEEL BODY; W/TWO BRASS RINGS ON OD,W/TWO STEEL RINGS ON OD; 8.000 IN. OD,1.500 IN. ID,2.500 IN. O/A H; W/TWO THD HOLES,0.688-10 NON STD BY 0.875 IN. DEEP,EQUALLY SPACED ON 3.750 IN. B.C. DIA 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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