PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

X4Housing,liquid Pump

Coffin Turbo Pump Inc · NSN 4320-01-400-2075 · FSC 4320 · No Item Name Available
Verified by PartsTable
NSN 4320-01-400-2075 — this item is cataloged by the U.S. Government under National Stock Number 4320-01-400-2075. Primary manufacturer part number: X4.
Features
  • Housing,liquid Pump — FSC 4320
  • 5 verified cross-references
  • Primary manufacturer: Coffin Turbo Pump Inc
Applications
  • Fluid transfer and circulation
  • Cooling system maintenance
  • Industrial process pumping
General Description

The Housing,liquid Pump, cataloged under National Stock Number 4320-01-400-2075, is classified within Federal Supply Class 4320 (No Item Name Available) of the Pumps and Compressors group. The primary manufacturer of record is Coffin Turbo Pump Inc. This item has 5 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameHousing,liquid Pump
FSC / FSG4320 — No Item Name Available (FSG 43)
ManufacturersCoffin Turbo Pump Inc (CAGE 0APJ5)
Technical Specifications
ParameterValue
NSN4320-01-400-2075
Primary Part NumberX4
Item NameHousing,liquid Pump
FSC / FSG4320 / 43 — No Item Name Available
ManufacturerCoffin Turbo Pump Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5330-00-146-4908X4 INTERCHANGEABLE
Retainer,packing
Circor Naval Solutions Llc Dba Warren Pumps
5340-00-168-6708702-192233-004 INTERCHANGEABLE
Clamp,loop
Cmc Electronics Inc
3120-00-448-668318372 INTERCHANGEABLE
Bushing,sleeve
Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.
5331-01-207-1510G1-1010-18 INTERCHANGEABLE
O-Ring
Fenner Fluid Power Inc
4820-01-400-207217086-1 INTERCHANGEABLE
Valve,ball
Coffin Turbo Pump Inc
4820-01-416-684317088-2 INTERCHANGEABLE
Seat,valve
Coffin Turbo Pump Inc
4820-01-416-685017090-2 INTERCHANGEABLE
Seat,valve
Coffin Turbo Pump Inc
2825-01-419-792018384 INTERCHANGEABLE
Steam Chest,turbine
Coffin Turbo Pump Inc
2825-01-424-2230X277-18373-6 INTERCHANGEABLE
Steam Chest,turbine
Coffin Turbo Pump Inc
4820-01-516-610722009-1 INTERCHANGEABLE
Stem,fluid Valve
Coffin Turbo Pump Inc
Cross-Reference Index
Part NumberManufacturer
X4 Coffin Turbo Pump Inc (USA)
X277 (18373-8) Coffin Turbo Pump Inc (USA)
18372 Coffin Turbo Pump Inc (USA)
SKB-429 Coffin Turbo Pump Inc (USA)
SKB-429 ITEM X4 Coffin Turbo Pump Inc (USA)
Related Parts
5330-00-146-4908INTERCHANGEABLE
RETAINER,PACKING
X4
5340-00-168-6708INTERCHANGEABLE
CLAMP,LOOP
702-192233-004
3120-00-448-6683INTERCHANGEABLE
BUSHING,SLEEVE
18372
5331-01-207-1510INTERCHANGEABLE
O-RING
G1-1010-18
4820-01-400-2072INTERCHANGEABLE
VALVE,BALL
17086-1
4820-01-416-6843INTERCHANGEABLE
SEAT,VALVE
17088-2
4820-01-416-6850INTERCHANGEABLE
SEAT,VALVE
17090-2
2825-01-419-7920INTERCHANGEABLE
STEAM CHEST,TURBINE
18384
2825-01-424-2230INTERCHANGEABLE
STEAM CHEST,TURBINE
X277-18373-6
4820-01-516-6107INTERCHANGEABLE
STEM,FLUID VALVE
22009-1
4820-01-516-6111INTERCHANGEABLE
SEAT,VALVE
21796-1
5330-01-576-9213INTERCHANGEABLE
GASKET
X-4

Frequently Asked Questions

What is NSN 4320-01-400-2075?

NSN 4320-01-400-2075 is a Housing,liquid Pump, manufactured by Coffin Turbo Pump Inc, classified under FSC 4320 (No Item Name Available). Status: active.

What are the part numbers for NSN 4320-01-400-2075?

NSN 4320-01-400-2075 has 5 cross-referenced part numbers: X4 (Coffin Turbo Pump Inc), X277 (18373-8) (Coffin Turbo Pump Inc), 18372 (Coffin Turbo Pump Inc), SKB-429 (Coffin Turbo Pump Inc), SKB-429 ITEM X4 (Coffin Turbo Pump Inc).

What NSN replaces 4320-01-400-2075?

There are 12 known substitutes for 4320-01-400-2075: 5330-00-146-4908, 5340-00-168-6708, 3120-00-448-6683 and 9 more. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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