PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

25891Union,pipe

Paccar Winch Inc Dba Paccar Winch Division · NSN 4730-01-166-2027 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-01-166-2027 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-166-2027. Primary manufacturer part number: 25891.
Features
  • Union,pipe — FSC 4730
  • 6 verified cross-references
  • Primary manufacturer: Paccar Winch Inc Dba Paccar Winch Division
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
General Description

The Union,pipe, cataloged under National Stock Number 4730-01-166-2027, is classified within Federal Supply Class 4730 (No Item Name Available) of the Pipe, Tubing, Hose, and Fittings group. The primary manufacturer of record is Paccar Winch Inc Dba Paccar Winch Division. This item has 6 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameUnion,pipe
FSC / FSG4730 — No Item Name Available (FSG 47)
ManufacturersPaccar Government Group Co Yarrow Bay Office Pk (CAGE 45320); Paccar Winch Inc Dba Paccar Winch Division (CAGE 08302); Cadillac Gage Textron Inc. (CAGE 10237); General Dynamics Land Systems Canadacorp (CAGE 56161)
Technical Specifications
ParameterValue
NSN4730-01-166-2027
Primary Part Number25891
Item NameUnion,pipe
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerPaccar Winch Inc Dba Paccar Winch Division
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
3040-00-073-1237693522 INTERCHANGEABLE
Shaft,shouldered
Honeywell International Inc. Dba Honeywell International Div Aerospace - Phoenix
5360-00-147-096972774 INTERCHANGEABLE
Spring
Textron Lycoming Inc Williamsport Plant
5940-00-191-2706M7928/1-11 INTERCHANGEABLE
Terminal,lug
Sae International Dba Sae International
5990-00-916-0987 INTERCHANGEABLE
Synchro,receiver
5365-01-121-5222 INTERCHANGEABLE
Spacer,tappet
5930-01-177-5251411507-001 INTERCHANGEABLE
Push Button
Gardner Denver Water Jetting Systems, Inc. Div Engineered Package Group
4610-01-439-758031891 INTERCHANGEABLE
Knob,pump
Liquid Metronics Inc
5340-01-512-959452273 INTERCHANGEABLE
Clamp,loop
Bae Systems Information and Electronic Systems Integration Inc.
6645-01-699-184572774 INTERCHANGEABLE
Timer,interval
Applied Companies
Cross-Reference Index
Part NumberManufacturer
25891 Paccar Government Group Co Yarrow Bay Office Pk (USA)
72774 Paccar Government Group Co Yarrow Bay Office Pk (USA)
25891 PRIMARY Paccar Winch Inc Dba Paccar Winch Division (USA)
217744 Cadillac Gage Textron Inc. (USA)
52273 Paccar Winch Inc Dba Paccar Winch Division (USA)
10512623 General Dynamics Land Systems Canadacorp (CAN)
Related Parts
3040-00-073-1237INTERCHANGEABLE
SHAFT,SHOULDERED
693522
5360-00-147-0969INTERCHANGEABLE
SPRING
72774
5940-00-191-2706INTERCHANGEABLE
TERMINAL,LUG
M7928/1-11
5990-00-916-0987INTERCHANGEABLE
SYNCHRO,RECEIVER
5365-01-121-5222INTERCHANGEABLE
SPACER,TAPPET
5930-01-177-5251INTERCHANGEABLE
PUSH BUTTON
411507-001
4610-01-439-7580INTERCHANGEABLE
KNOB,PUMP
31891
5340-01-512-9594INTERCHANGEABLE
CLAMP,LOOP
52273
6645-01-699-1845INTERCHANGEABLE
TIMER,INTERVAL
72774

Frequently Asked Questions

What is NSN 4730-01-166-2027?

NSN 4730-01-166-2027 is a Union,pipe, manufactured by Paccar Winch Inc Dba Paccar Winch Division, classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-01-166-2027?

NSN 4730-01-166-2027 has 6 cross-referenced part numbers: 25891 (Paccar Government Group Co Yarrow Bay Office Pk), 72774 (Paccar Government Group Co Yarrow Bay Office Pk), 25891 (Paccar Winch Inc Dba Paccar Winch Division), 217744 (Cadillac Gage Textron Inc.), 52273 (Paccar Winch Inc Dba Paccar Winch Division) and 1 more.

What NSN replaces 4730-01-166-2027?

There are 9 known substitutes for 4730-01-166-2027: 3040-00-073-1237, 5360-00-147-0969, 5940-00-191-2706 and 6 more. Verify interchangeability with system specifications before substitution.

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