PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

043 1-2IMTrap,steam

Velan Valve Corp. · NSN 4730-00-142-1665 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-142-1665 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-142-1665. Primary manufacturer part number: 043 1-2IM.
Features
  • Trap,steam — FSC 4730
  • Rated Capacity at Maximum Working Pressure: 6000.000 POUNDS OF WATER PER HOUR LBS
  • Material: STEEL CORROSION RESISTING WORKING PARTS
  • Outlet Connection Type: SOCKET WELDING
  • Furnished Items: STRAINER
  • Design Type: PULSATING CONTINUOUS FLOAT
  • Inlet Connection Type: SOCKET WELDING
  • Body Design: STRAIGHT PATTERN
Applications
  • Applications requiring Steel Corrosion Resisting Working Parts construction
General Description

The Trap,steam, cataloged under National Stock Number 4730-00-142-1665, 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 Velan Valve Corp.. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN4730-00-142-1665
Primary Part Number043 1-2IM
Item NameTrap,steam
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerVelan Valve Corp.
StatusCANCELLED
Rated Capacity at Maximum Working Pressure6000.000 POUNDS OF WATER PER HOUR LBS
MaterialSTEEL CORROSION RESISTING WORKING PARTS
Outlet Connection TypeSOCKET WELDING
Furnished ItemsSTRAINER
Design TypePULSATING CONTINUOUS FLOAT
Inlet Connection TypeSOCKET WELDING
Body DesignSTRAIGHT PATTERN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
4320-00-019-07004344 INTERCHANGEABLE
Sleeve,shaft,pump
Weil Pump Co Inc
4730-00-202-9602 INTERCHANGEABLE
Trap,steam
4730-00-202-9604 INTERCHANGEABLE
Trap,steam
4730-00-216-6151 INTERCHANGEABLE
Restrictor Unit,fluid Flow
4730-00-223-8040B1X-180 3-4IN INTERCHANGEABLE
Trap,steam
Spirax Sarco Inc Dba Spirax Sarco
4730-00-230-4154J464 INTERCHANGEABLE
Trap,steam
Spirax Sarco Inc Dba Spirax Sarco
4730-00-270-4341S11321-770190023 INTERCHANGEABLE
Trap,steam
Sfc Valve Corporation
4730-00-270-4342 INTERCHANGEABLE
Trap,steam
5305-00-390-06504344 INTERCHANGEABLE
Screw,shoulder
Roller Bearing Co of America, Inc Div Pic Design
4730-00-499-2091 INTERCHANGEABLE
Trap,steam
Cross-Reference Index
Part NumberManufacturer
043 1-2IM Velan Valve Corp. (USA)
43-44 Velan Valve Corp. (USA)
MIL-T-960 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
J471-1-2IN Spirax Sarco Inc Dba Spirax Sarco (USA)
N0052 Majestic Handle Co (USA)
J951-1-2IN Spirax Sarco Inc Dba Spirax Sarco (USA)
43-2 Velan Valve Corp. (USA)
13062PC8-9 Velan Valve Corp. (USA)
Related Parts
4320-00-019-0700INTERCHANGEABLE
SLEEVE,SHAFT,PUMP
4344
4730-00-202-9602INTERCHANGEABLE
TRAP,STEAM
4730-00-202-9604INTERCHANGEABLE
TRAP,STEAM
4730-00-216-6151INTERCHANGEABLE
RESTRICTOR UNIT,FLUID FLOW
4730-00-223-8040INTERCHANGEABLE
TRAP,STEAM
B1X-180 3-4IN
4730-00-230-4154INTERCHANGEABLE
TRAP,STEAM
J464
4730-00-270-4341INTERCHANGEABLE
TRAP,STEAM
S11321-770190023
4730-00-270-4342INTERCHANGEABLE
TRAP,STEAM
5305-00-390-0650INTERCHANGEABLE
SCREW,SHOULDER
4344
4730-00-499-2091INTERCHANGEABLE
TRAP,STEAM
5910-00-648-7212INTERCHANGEABLE
CAPACITOR,FIXED,CERAMIC DIELECTR
22G24
5905-00-814-7546INTERCHANGEABLE
RESISTOR,VARIABLE,WIRE WOUND,NON
4617

Frequently Asked Questions

What is NSN 4730-00-142-1665?

NSN 4730-00-142-1665 is a Trap,steam, manufactured by Velan Valve Corp., classified under FSC 4730 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4730-00-142-1665?

NSN 4730-00-142-1665 has 8 cross-referenced part numbers: 043 1-2IM (Velan Valve Corp.), 43-44 (Velan Valve Corp.), MIL-T-960 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), J471-1-2IN (Spirax Sarco Inc Dba Spirax Sarco), N0052 (Majestic Handle Co) and 3 more.

What NSN replaces 4730-00-142-1665?

There are 12 known substitutes for 4730-00-142-1665: 4320-00-019-0700, 4730-00-202-9602, 4730-00-202-9604 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 043 1-2IM?

Key specifications for 043 1-2IM: Rated Capacity at Maximum Working Pressure: 6000.000 POUNDS OF WATER PER HOUR LBS; Material: STEEL CORROSION RESISTING WORKING PARTS; Outlet Connection Type: SOCKET WELDING; Furnished Items: STRAINER. 8 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4730-00-142-1665 still in active supply?

NSN 4730-00-142-1665 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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