PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

55-FT-3/4INTrap,steam

Itt Fluid Technology Corp Itt Mcdonnell and Miller · NSN 4730-00-231-3434 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-231-3434 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-231-3434. Primary manufacturer part number: 55-FT-3/4IN.
Features
  • Trap,steam — FSC 4730
  • Outlet Connection Type: FEMALE IRON PIPE
  • Rated Capacity at Maximum Working Pressure: 230.0 POUNDS OF WATER PER HOUR LBS
  • Thread Direction: RIGHT-HAND BOTH INLET AND OUTLET
  • Body Design: STRAIGHT HORIZONTAL PATTERN
  • Inlet Connection Type: FEMALE IRON PIPE
  • 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 4730-00-231-3434, 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 8 commercial cross-references from 6 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
NSN4730-00-231-3434
Primary Part Number55-FT-3/4IN
Item NameTrap,steam
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerItt Fluid Technology Corp Itt Mcdonnell and Miller
StatusCANCELLED
Outlet Connection TypeFEMALE IRON PIPE
Rated Capacity at Maximum Working Pressure230.0 POUNDS OF WATER PER HOUR LBS
Thread DirectionRIGHT-HAND BOTH INLET AND OUTLET
Body DesignSTRAIGHT HORIZONTAL PATTERN
Inlet Connection TypeFEMALE IRON PIPE
Maximum Steam Working PressureERR-060
Design TypeCOMBINATION FLOAT/THERMOSTATIC
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 10
5820-00-135-699340215 INTERCHANGEABLE
Limiter-Attenuator
Frequency Electronics Inc
5950-00-135-711640215 INTERCHANGEABLE
Transformer,power
Freed Transformer Co
3455-00-231-350658-10077 INTERCHANGEABLE
Cutter,milling,side
Union Butterfield Corp P O Box 9000 Crystal Lake Il 60039
1005-00-346-858669 INTERCHANGEABLE
Sight,front
Colt's Manufacturing Company, Llc
4820-00-389-846740215 INTERCHANGEABLE
Valve,globe
Northrop Grumman Systems Corporation Div Marine Systems
5315-00-841-233940215 INTERCHANGEABLE
Pin,straight,headless
Acco-Babcock Inc Hoist and Crane Div
3930-00-933-375840215 INTERCHANGEABLE
Plate,drive
Tiffin Parts, L.l.c. Div Subsidiary of Pettibone Corp.
5360-01-086-39521-1642 INTERCHANGEABLE
Spring
Pdi Ground Support Systems, Inc.
5962-01-225-674440215 INTERCHANGEABLE
Microcircuit,digital
Raytheon Company Div Rmd Strategic
5330-01-447-396340215 INTERCHANGEABLE
Gasket
Mine Safety Appliances Company
Cross-Reference Index
Part NumberManufacturer
FT-3-15 The Clark-Eliance Corp (USA)
55-FT-3/4IN PRIMARY Itt Fluid Technology Corp Itt Mcdonnell and Miller (USA)
40-215 Dunham-Bush, Inc. Dba Dunham-Bush Inc Commercial & Industrial (USA)
69B Sterling Inc (USA)
FT-69-15 Sterling Inc (USA)
17 Desco Corp Marsh Bellofram Div (USA)
FT-3-13-015 Watson Mcdaniel Co (USA)
53FT Itt Fluid Technology Corp Itt Mcdonnell and Miller (USA)
Related Parts
5820-00-135-6993INTERCHANGEABLE
LIMITER-ATTENUATOR
40215
5950-00-135-7116INTERCHANGEABLE
TRANSFORMER,POWER
40215
3455-00-231-3506INTERCHANGEABLE
CUTTER,MILLING,SIDE
58-10077
1005-00-346-8586INTERCHANGEABLE
SIGHT,FRONT
69
4820-00-389-8467INTERCHANGEABLE
VALVE,GLOBE
40215
5315-00-841-2339INTERCHANGEABLE
PIN,STRAIGHT,HEADLESS
40215
3930-00-933-3758INTERCHANGEABLE
PLATE,DRIVE
40215
5360-01-086-3952INTERCHANGEABLE
SPRING
1-1642
5962-01-225-6744INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
40215
5330-01-447-3963INTERCHANGEABLE
GASKET
40215

Frequently Asked Questions

What is NSN 4730-00-231-3434?

NSN 4730-00-231-3434 is a Trap,steam, manufactured by Itt Fluid Technology Corp Itt Mcdonnell and Miller, classified under FSC 4730 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4730-00-231-3434?

NSN 4730-00-231-3434 has 8 cross-referenced part numbers: FT-3-15 (The Clark-Eliance Corp), 55-FT-3/4IN (Itt Fluid Technology Corp Itt Mcdonnell and Miller), 40-215 (Dunham-Bush, Inc. Dba Dunham-Bush Inc Commercial & Industrial), 69B (Sterling Inc), FT-69-15 (Sterling Inc) and 3 more.

What NSN replaces 4730-00-231-3434?

There are 10 known substitutes for 4730-00-231-3434: 5820-00-135-6993, 5950-00-135-7116, 3455-00-231-3506 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 55-FT-3/4IN?

Key specifications for 55-FT-3/4IN: Outlet Connection Type: FEMALE IRON PIPE; Rated Capacity at Maximum Working Pressure: 230.0 POUNDS OF WATER PER HOUR LBS; Thread Direction: RIGHT-HAND BOTH INLET AND OUTLET; Body Design: STRAIGHT HORIZONTAL PATTERN. 7 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4730-00-231-3434 still in active supply?

NSN 4730-00-231-3434 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