PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

417655PC126Union,tube

Henry Technologies, Inc. · NSN 4730-00-595-1138 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-595-1138 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-595-1138. Primary manufacturer part number: 417655PC126.
Features
  • Union,tube — FSC 4730
  • Nominal Outside Diameter Tube Accommodated: 0.500 INCHES ALL ENDS IN
  • Material: COPPER ALLOY FLANGE
  • Material: COPPER ALLOY OUTSIDE
  • Connection Type: UNTHREADED INTERNAL TUBE ALL ENDS
  • Nominal Overall Length: 2.563 INCHES IN
  • Seat Type: GASKET
  • Connection Style: SOCKET (TUBE) ALL ENDS
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Copper Alloy Flange construction
General Description

The Union,tube, cataloged under National Stock Number 4730-00-595-1138, 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 Henry Technologies, Inc.. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4730-00-595-1138
Primary Part Number417655PC126
Item NameUnion,tube
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerHenry Technologies, Inc.
StatusACTIVE
Nominal Outside Diameter Tube Accommodated0.500 INCHES ALL ENDS IN
MaterialCOPPER ALLOY FLANGE
MaterialCOPPER ALLOY OUTSIDE
Connection TypeUNTHREADED INTERNAL TUBE ALL ENDS
Nominal Overall Length2.563 INCHES IN
Seat TypeGASKET
Connection StyleSOCKET (TUBE) ALL ENDS
MaterialCOPPER ALLOY INSIDE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 11
1730-00-158-30421592 INTERCHANGEABLE
Clamp,trailer
V I J Corp Div National Utilities Company
5330-00-202-17281592 INTERCHANGEABLE
Gasket
Quincy Compressor Division of Coltec Industries Inc Dba Quincy Compressor Div Quincy Compressor
6670-00-490-15581592 INTERCHANGEABLE
Balance,analytical
Central Scientific Co Educational
5910-00-542-2548104420A INTERCHANGEABLE
Capacitor,fixed,paper Dielectric
Itt Aerospace Controls Llc Dba Itt Aerospace Controls Unit S
5930-00-755-3059 INTERCHANGEABLE
Switch,pressure
5360-01-078-87951592 INTERCHANGEABLE
Spring
Crown Audio, Inc. Dba Crown International
1356-01-282-46623235820-60 INTERCHANGEABLE
Torpedo,warshot
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
9150-01-306-0347 INTERCHANGEABLE
Lubricating Oil,engine
5365-01-330-73171592 INTERCHANGEABLE
Shim Set
Meritor Heavy Vehicle Systems, Llc
8470-01-467-15501592 INTERCHANGEABLE
Faceguard
Down East, Inc.
Cross-Reference Index
Part NumberManufacturer
417655PC126 Henry Technologies, Inc. (USA)
R159B Henry Technologies, Inc. (USA)
1592 Henry Technologies, Inc. (USA)
Related Parts
1730-00-158-3042INTERCHANGEABLE
CLAMP,TRAILER
1592
5330-00-202-1728INTERCHANGEABLE
GASKET
1592
6670-00-490-1558INTERCHANGEABLE
BALANCE,ANALYTICAL
1592
5910-00-542-2548INTERCHANGEABLE
CAPACITOR,FIXED,PAPER DIELECTRIC
104420A
5930-00-755-3059INTERCHANGEABLE
SWITCH,PRESSURE
5360-01-078-8795INTERCHANGEABLE
SPRING
1592
1356-01-282-4662INTERCHANGEABLE
TORPEDO,WARSHOT
3235820-60
9150-01-306-0347INTERCHANGEABLE
LUBRICATING OIL,ENGINE
5365-01-330-7317INTERCHANGEABLE
SHIM SET
1592
8470-01-467-1550INTERCHANGEABLE
FACEGUARD
1592
5935-01-526-7732INTERCHANGEABLE
ADAPTER,CONNECTOR

Frequently Asked Questions

What is NSN 4730-00-595-1138?

NSN 4730-00-595-1138 is a Union,tube, manufactured by Henry Technologies, Inc., classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-00-595-1138?

NSN 4730-00-595-1138 has 3 cross-referenced part numbers: 417655PC126 (Henry Technologies, Inc.), R159B (Henry Technologies, Inc.), 1592 (Henry Technologies, Inc.).

What NSN replaces 4730-00-595-1138?

There are 11 known substitutes for 4730-00-595-1138: 1730-00-158-3042, 5330-00-202-1728, 6670-00-490-1558 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 417655PC126?

Key specifications for 417655PC126: Nominal Outside Diameter Tube Accommodated: 0.500 INCHES ALL ENDS IN; Material: COPPER ALLOY FLANGE; Material: COPPER ALLOY OUTSIDE; Connection Type: UNTHREADED INTERNAL TUBE ALL ENDS. 8 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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