PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

120129Adapter,straight,pipe to Tube

U S Army Tank Automotive Command Amsta-Im-Mm · NSN 4730-00-270-4558 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-270-4558 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-270-4558. Primary manufacturer part number: 120129.
Features
  • Adapter,straight,pipe to Tube — FSC 4730
  • Nominal Outside Diameter Tube Accommodated: 0.438 INCHES FIRST END IN
  • Thread Class: 2A FIRST END A
  • Connection Style: PLAIN (PIPE) SECOND END
  • Material: COPPER ALLOY OVERALL
  • Connection Type: THREADED EXTERNAL TUBE FIRST END
  • Connection Style: COMPRESSION (TUBE) FIRST END
  • Nominal Overall Length: 1.190 INCHES IN
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Copper Alloy Overall construction
General Description

The Adapter,straight,pipe to Tube, cataloged under National Stock Number 4730-00-270-4558, 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 U S Army Tank Automotive Command Amsta-Im-Mm. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 9 commercial cross-references from 8 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN4730-00-270-4558
Primary Part Number120129
Item NameAdapter,straight,pipe to Tube
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerU S Army Tank Automotive Command Amsta-Im-Mm
StatusCANCELLED
Nominal Outside Diameter Tube Accommodated0.438 INCHES FIRST END IN
Thread Class2A FIRST END A
Connection StylePLAIN (PIPE) SECOND END
MaterialCOPPER ALLOY OVERALL
Connection TypeTHREADED EXTERNAL TUBE FIRST END
Connection StyleCOMPRESSION (TUBE) FIRST END
Nominal Overall Length1.190 INCHES IN
Nominal Pipe Size Accommodated0.250 INCHES SECOND END IN
Connection TypeTHREADED EXTERNAL PIPE SECOND END
Thread Series DesignatorUNEF FIRST END
Nominal Thread Size0.250 INCHES SECOND END IN
Seat Nominal Radius0.062 INCHES FIRST END IN
Nominal Thread Size0.625 INCHES FIRST END IN
Thread Series DesignatorNPTF SECOND END
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 10
4730-00-013-7409SAE J512 8-6 040102B INTERCHANGEABLE
Adapter,straight,pipe to Tube
Sae International Dba Sae International
5815-00-126-786881790 INTERCHANGEABLE
Cover
Telemechanics Inc
5330-00-346-8673UT3 INTERCHANGEABLE
Packing Assembly
Circor Naval Solutions Llc Dba Warren Pumps
5905-01-045-7579311-1557-00 INTERCHANGEABLE
Resistor,variable,nonwire Wound,
Tektronix, Inc.
4320-01-060-99571790 INTERCHANGEABLE
Parts Kit,reciprocating Pump
Templeton Kenly and Co Inc
5930-01-161-34065191414 INTERCHANGEABLE
Guard,switch
Naval Sea Systems Command
5930-01-251-6898120-129 INTERCHANGEABLE
Switch,toggle
Gow-Mac Instrument Co Div Gow-Mac Instrument Company
2590-01-395-687981790 INTERCHANGEABLE
Carrier Assembly
Bae Systems Land & Armaments L.p.
5310-01-430-7191120-129 INTERCHANGEABLE
Washer,flat
Prestolite Electric Inc
5930-01-439-38086968ED540 PC N0. 24 INTERCHANGEABLE
Switch,thermostatic
Drs Naval Power Systems Inc Dba Drs Power & Control Technologies Inc
Cross-Reference Index
Part NumberManufacturer
120129 U S Army Tank Automotive Command Amsta-Im-Mm (USA)
536484 Fruehauf Corp (USA)
91790 Graham Paige Corp (USA)
MS39169-6 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
2200X8 Dana Corp Weatherhead Div (USA)
31X300 Haldex Brake Products Corporation (USA)
120129 Chrysler Realty Company Llc Dba Daimler Chrysler (USA)
81790 Graham Paige Corp (USA)
4259A Hercules Engine Co Inc (USA)
Related Parts
4730-00-013-7409INTERCHANGEABLE
ADAPTER,STRAIGHT,PIPE TO TUBE
SAE J512 8-6 040102B
5815-00-126-7868INTERCHANGEABLE
COVER
81790
5330-00-346-8673INTERCHANGEABLE
PACKING ASSEMBLY
UT3
5905-01-045-7579INTERCHANGEABLE
RESISTOR,VARIABLE,NONWIRE WOUND,
311-1557-00
4320-01-060-9957INTERCHANGEABLE
PARTS KIT,RECIPROCATING PUMP
1790
5930-01-161-3406INTERCHANGEABLE
GUARD,SWITCH
5191414
5930-01-251-6898INTERCHANGEABLE
SWITCH,TOGGLE
120-129
2590-01-395-6879INTERCHANGEABLE
CARRIER ASSEMBLY
81790
5310-01-430-7191INTERCHANGEABLE
WASHER,FLAT
120-129
5930-01-439-3808INTERCHANGEABLE
SWITCH,THERMOSTATIC
6968ED540 PC N0. 24

Frequently Asked Questions

What is NSN 4730-00-270-4558?

NSN 4730-00-270-4558 is a Adapter,straight,pipe to Tube, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 4730 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4730-00-270-4558?

NSN 4730-00-270-4558 has 9 cross-referenced part numbers: 120129 (U S Army Tank Automotive Command Amsta-Im-Mm), 536484 (Fruehauf Corp), 91790 (Graham Paige Corp), MS39169-6 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), 2200X8 (Dana Corp Weatherhead Div) and 4 more.

What NSN replaces 4730-00-270-4558?

There are 10 known substitutes for 4730-00-270-4558: 4730-00-013-7409, 5815-00-126-7868, 5330-00-346-8673 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 120129?

Key specifications for 120129: Nominal Outside Diameter Tube Accommodated: 0.438 INCHES FIRST END IN; Thread Class: 2A FIRST END A; Connection Style: PLAIN (PIPE) SECOND END; Material: COPPER ALLOY OVERALL. 14 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4730-00-270-4558 still in active supply?

NSN 4730-00-270-4558 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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