PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

57FT 1-1/2Trap,steam

Itt Fluid Technology Corp Itt Mcdonnell and Miller · NSN 4730-00-231-3437 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-231-3437 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-231-3437. Primary manufacturer part number: 57FT 1-1/2.
Features
  • Trap,steam — FSC 4730
  • Outlet Connection Type: FEMALE IRON PIPE
  • Inlet Connection Type: FEMALE IRON PIPE
  • Body Design: STRAIGHT HORIZONTAL PATTERN
  • Thread Direction: RIGHT-HAND BOTH INLET AND OUTLET
  • Rated Capacity at Maximum Working Pressure: 2760.0 POUNDS OF WATER PER HOUR LBS
  • Maximum Steam Working Pressure: ERR-060
  • Design Type: COMBINATION FLOAT/THERMOSTATIC
Applications
  • Plumbing and fluid distribution
  • Industrial piping systems
  • Fuel and lubricant distribution
General Description

The Trap,steam, cataloged under National Stock Number 4730-00-231-3437, 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 Itt Fluid Technology Corp Itt Mcdonnell and Miller. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4730-00-231-3437
Primary Part Number57FT 1-1/2
Item NameTrap,steam
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerItt Fluid Technology Corp Itt Mcdonnell and Miller
StatusACTIVE
Outlet Connection TypeFEMALE IRON PIPE
Inlet Connection TypeFEMALE IRON PIPE
Body DesignSTRAIGHT HORIZONTAL PATTERN
Thread DirectionRIGHT-HAND BOTH INLET AND OUTLET
Rated Capacity at Maximum Working Pressure2760.0 POUNDS OF WATER PER HOUR LBS
Maximum Steam Working PressureERR-060
Design TypeCOMBINATION FLOAT/THERMOSTATIC
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
5120-00-132-13084071-5 INTERCHANGEABLE
Contact Positioner,terminal Crim
Astro Tool Corp.
5340-00-291-050240715 INTERCHANGEABLE
Plug,protective,dust and Moistur
L3harris Technologies, Inc Div Space & Airborne Systems
4820-00-877-6802A7810 INTERCHANGEABLE
Cock,poppet Drain
Eaton Aerospace Llc Div Fluid and Electrical Distribution Division
6210-01-012-60894071-5 INTERCHANGEABLE
Filter,marker Light,airport Appr
Connecticut Valley Industries, Llc Dba Connecticut Valley Industries
5950-01-239-4456315-18612-02 INTERCHANGEABLE
Reactor
Oeco, Llc Dba Pacific Scientific Oeco Div Fire Safety and Power Systems
5998-01-420-381740715 INTERCHANGEABLE
Circuit Card Assembly
Antenna Research Associates, Incorporated
5306-01-556-490112759-00490 INTERCHANGEABLE
Bolt,machine
Fastenal Company Dba Fastenal Co
Cross-Reference Index
Part NumberManufacturer
40-715 Hartford Compressors Inc (USA)
57V Itt Fluid Technology Corp Itt Mcdonnell and Miller (USA)
57FT 1-1/2 PRIMARY Itt Fluid Technology Corp Itt Mcdonnell and Miller (USA)
Related Parts
5120-00-132-1308INTERCHANGEABLE
CONTACT POSITIONER,TERMINAL CRIM
4071-5
5340-00-291-0502INTERCHANGEABLE
PLUG,PROTECTIVE,DUST AND MOISTUR
40715
4820-00-877-6802INTERCHANGEABLE
COCK,POPPET DRAIN
A7810
6210-01-012-6089INTERCHANGEABLE
FILTER,MARKER LIGHT,AIRPORT APPR
4071-5
5950-01-239-4456INTERCHANGEABLE
REACTOR
315-18612-02
5998-01-420-3817INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
40715
5306-01-556-4901INTERCHANGEABLE
BOLT,MACHINE
12759-00490

Frequently Asked Questions

What is NSN 4730-00-231-3437?

NSN 4730-00-231-3437 is a Trap,steam, manufactured by Itt Fluid Technology Corp Itt Mcdonnell and Miller, classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-00-231-3437?

NSN 4730-00-231-3437 has 3 cross-referenced part numbers: 40-715 (Hartford Compressors Inc), 57V (Itt Fluid Technology Corp Itt Mcdonnell and Miller), 57FT 1-1/2 (Itt Fluid Technology Corp Itt Mcdonnell and Miller).

What NSN replaces 4730-00-231-3437?

There are 7 known substitutes for 4730-00-231-3437: 5120-00-132-1308, 5340-00-291-0502, 4820-00-877-6802 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 57FT 1-1/2?

Key specifications for 57FT 1-1/2: Outlet Connection Type: FEMALE IRON PIPE; Inlet Connection Type: FEMALE IRON PIPE; Body Design: STRAIGHT HORIZONTAL PATTERN; Thread Direction: RIGHT-HAND BOTH INLET AND OUTLET. 7 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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