PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

33-11PTailpiece,union

Cryo-Chem Inc · NSN 4730-01-023-1207 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-01-023-1207 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-023-1207. Primary manufacturer part number: 33-11P.
Features
  • Tailpiece,union — FSC 4730
  • Thread Size: 0.250-18
  • Flange Outside Diameter: 0.750 INCHES NOMINAL IN
  • End Connection Type: THREADED
  • Working Pressure and Service Type: 3000.0 POUNDS PER SQUARE INCH (PSI) NOMINAL GAS LBS
  • Screw Thread Location: EXTERNAL
  • Seat Type: GASKET
  • Material: COPPER ALLOY 360
Applications
  • Applications requiring Copper Alloy 360 construction
General Description

The Tailpiece,union, cataloged under National Stock Number 4730-01-023-1207, 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 Cryo-Chem Inc. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN4730-01-023-1207
Primary Part Number33-11P
Item NameTailpiece,union
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerCryo-Chem Inc
StatusCANCELLED
Thread Size0.250-18
Flange Outside Diameter0.750 INCHES NOMINAL IN
End Connection TypeTHREADED
Working Pressure and Service Type3000.0 POUNDS PER SQUARE INCH (PSI) NOMINAL GAS LBS
Screw Thread LocationEXTERNAL
Seat TypeGASKET
MaterialCOPPER ALLOY 360
Screw Thread Series DesignatorNPS
Flange Thickness0.187 INCHES NOMINAL IN
Thread DirectionRIGHT-HAND
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 3
5306-00-254-96623311A INTERCHANGEABLE
Bolt,machine
Caterpillar Inc Div Caterpillar Defense
5305-00-579-04783311A INTERCHANGEABLE
Screw,machine
Brinkley Technology Group Llc Dba Hercules Manufacturing
7050-01-015-6062 INTERCHANGEABLE
Generator,function,analog Comput
Cross-Reference Index
Part NumberManufacturer
33-11P Cryo-Chem Inc (USA)
33-11A Rego Co a Marmon Group Co (USA)
33-11P Rego Co a Marmon Group Co (USA)
33-11A Cryo-Chem Inc (USA)
Related Parts
5306-00-254-9662INTERCHANGEABLE
BOLT,MACHINE
3311A
5305-00-579-0478INTERCHANGEABLE
SCREW,MACHINE
3311A
7050-01-015-6062INTERCHANGEABLE
GENERATOR,FUNCTION,ANALOG COMPUT

Frequently Asked Questions

What is NSN 4730-01-023-1207?

NSN 4730-01-023-1207 is a Tailpiece,union, manufactured by Cryo-Chem Inc, classified under FSC 4730 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4730-01-023-1207?

NSN 4730-01-023-1207 has 4 cross-referenced part numbers: 33-11P (Cryo-Chem Inc), 33-11A (Rego Co a Marmon Group Co), 33-11P (Rego Co a Marmon Group Co), 33-11A (Cryo-Chem Inc).

What NSN replaces 4730-01-023-1207?

There are 3 known substitutes for 4730-01-023-1207: 5306-00-254-9662, 5305-00-579-0478, 7050-01-015-6062. Verify interchangeability with system specifications before substitution.

What are the specifications of 33-11P?

Key specifications for 33-11P: Thread Size: 0.250-18; Overall Length: 1.375 INCHES NOMINAL IN; Flange Outside Diameter: 0.750 INCHES NOMINAL IN; End Connection Type: THREADED. 12 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4730-01-023-1207 still in active supply?

NSN 4730-01-023-1207 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.
PartsTable Design LLC · partstable.com