PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

221204NCoupling,pipe

Bendix Commercial Vehicle Systems Llc Dba Bendix Commercial Vehicle Systems · NSN 4730-01-504-1527 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-01-504-1527 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-504-1527. Primary manufacturer part number: 221204N.
Features
  • Coupling,pipe — FSC 4730
  • Connection Style: PLAIN (PIPE) ALL ENDS
  • Thread Series Designator: NPTF ALL ENDS
  • Nominal Thread Size: 0.250 INCHES ALL ENDS IN
  • Media for Which Designed: AIR SECOND RESPONSE
  • Style Designator: THREADED INTERNAL
  • Material: COPPER ALLOY OVERALL
  • Furnished Items and Quantity: 1 BULKHEAD NUT AND 1 FLAT WASHER
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Copper Alloy Overall construction
General Description

The Coupling,pipe, cataloged under National Stock Number 4730-01-504-1527, 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 Bendix Commercial Vehicle Systems Llc Dba Bendix Commercial Vehicle Systems. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 2 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
NSN4730-01-504-1527
Primary Part Number221204N
Item NameCoupling,pipe
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerBendix Commercial Vehicle Systems Llc Dba Bendix Commercial Vehicle Systems
StatusACTIVE
Connection StylePLAIN (PIPE) ALL ENDS
Thread Series DesignatorNPTF ALL ENDS
Nominal Thread Size0.250 INCHES ALL ENDS IN
Media for Which DesignedAIR SECOND RESPONSE
Style DesignatorTHREADED INTERNAL
MaterialCOPPER ALLOY OVERALL
Furnished Items and Quantity1 BULKHEAD NUT AND 1 FLAT WASHER
Operating Pressure3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Thread Series DesignatorUNF FIRST END BULKHEAD
Nominal Overall Length0.937 INCHES IN
Connection TypeTHREADED INTERNAL PIPE ALL ENDS
Thread Class2A FIRST END BULKHEAD A
Media for Which DesignedHYDRAULIC FLUID FIRST RESPONSE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5330-00-075-3646506-023000A INTERCHANGEABLE
Seal
Freudenberg-Nok General Partnership
6625-00-080-0674GS2386 INTERCHANGEABLE
Voltmeter
Hamilton Sundstrand Corporation Dba Collins Aerospace
3110-00-100-033712364377-2 INTERCHANGEABLE
Cup,tapered Roller Bearing
Rbc Aircraft Products, Inc.
6135-00-246-0324 INTERCHANGEABLE
Battery,nonrechargeable
5910-00-254-7075 INTERCHANGEABLE
Capacitor,fixed,mica Dielectric
5940-00-264-9099 INTERCHANGEABLE
Splice,conductor
4730-00-278-6318221204N INTERCHANGEABLE
Coupling,pipe
Bendix Commercial Vehicle Systems Llc Dba Bendix Commercial Vehicle Systems
4730-00-278-6319084-01592 INTERCHANGEABLE
Coupling,pipe
Rogers Brothers Corp
5305-00-359-8437 INTERCHANGEABLE
Screw
1630-00-435-782374-2 INTERCHANGEABLE
Plate Assy,back
Aircraft Wheel and Brake, Llc Dba Cleveland Wheel and Brake Systems
Cross-Reference Index
Part NumberManufacturer
74-2 Crane Carrier Company, Llc (USA)
221204N PRIMARY Bendix Commercial Vehicle Systems Llc Dba Bendix Commercial Vehicle Systems (USA)
A74-1 Crane Carrier Company, Llc (USA)
A074-0002 Crane Carrier Company, Llc (USA)
221204 Bendix Commercial Vehicle Systems Llc Dba Bendix Commercial Vehicle Systems (USA)
Related Parts
5330-00-075-3646INTERCHANGEABLE
SEAL
506-023000A
6625-00-080-0674INTERCHANGEABLE
VOLTMETER
GS2386
3110-00-100-0337INTERCHANGEABLE
CUP,TAPERED ROLLER BEARING
12364377-2
6135-00-246-0324INTERCHANGEABLE
BATTERY,NONRECHARGEABLE
5910-00-254-7075INTERCHANGEABLE
CAPACITOR,FIXED,MICA DIELECTRIC
5940-00-264-9099INTERCHANGEABLE
SPLICE,CONDUCTOR
4730-00-278-6318INTERCHANGEABLE
COUPLING,PIPE
221204N
4730-00-278-6319INTERCHANGEABLE
COUPLING,PIPE
084-01592
5305-00-359-8437INTERCHANGEABLE
SCREW
1630-00-435-7823INTERCHANGEABLE
PLATE ASSY,BACK
74-2
5110-00-449-7315INTERCHANGEABLE
PUNCH,CUTTING,GASKET
742
4730-00-511-1677INTERCHANGEABLE
COUPLING,PIPE
11-110-000039

Frequently Asked Questions

What is NSN 4730-01-504-1527?

NSN 4730-01-504-1527 is a Coupling,pipe, manufactured by Bendix Commercial Vehicle Systems Llc Dba Bendix Commercial Vehicle Systems, classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-01-504-1527?

NSN 4730-01-504-1527 has 5 cross-referenced part numbers: 74-2 (Crane Carrier Company, Llc), 221204N (Bendix Commercial Vehicle Systems Llc Dba Bendix Commercial Vehicle Systems), A74-1 (Crane Carrier Company, Llc), A074-0002 (Crane Carrier Company, Llc), 221204 (Bendix Commercial Vehicle Systems Llc Dba Bendix Commercial Vehicle Systems).

What NSN replaces 4730-01-504-1527?

There are 12 known substitutes for 4730-01-504-1527: 5330-00-075-3646, 6625-00-080-0674, 3110-00-100-0337 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 221204N?

Key specifications for 221204N: Connection Style: PLAIN (PIPE) ALL ENDS; Thread Series Designator: NPTF ALL ENDS; Nominal Thread Size: 0.250 INCHES ALL ENDS IN; End Item Identification: NSN 2320-01-452-5579 - TRUCK - TRACTOR. 15 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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