PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

J447-1INTrap,steam

Spirax Sarco Inc Dba Spirax Sarco · NSN 4730-00-935-1593 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-935-1593 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-935-1593. Primary manufacturer part number: J447-1IN.
Features
  • Trap,steam — FSC 4730
  • Rated Capacity at Maximum Working Pressure: 4500.000 POUNDS OF WATER PER HOUR LBS
  • Maximum Steam Working Pressure: ERR-060
  • Body Design: STRAIGHT PATTERN
  • Nondefinitive Spec/std Data: 2 CLASS
  • Inlet Connection Type: FEMALE BRAZING NIPPLE
  • Outlet Connection Type: FEMALE BRAZING NIPPLE
  • Design Type: THERMOSTATIC
Applications
  • Plumbing and fluid distribution
  • Industrial piping systems
  • Fuel and lubricant distribution
General Description

The Trap,steam, cataloged under National Stock Number 4730-00-935-1593, 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 Spirax Sarco Inc Dba Spirax Sarco. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4730-00-935-1593
Primary Part NumberJ447-1IN
Item NameTrap,steam
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerSpirax Sarco Inc Dba Spirax Sarco
StatusACTIVE
Rated Capacity at Maximum Working Pressure4500.000 POUNDS OF WATER PER HOUR LBS
Maximum Steam Working PressureERR-060
Body DesignSTRAIGHT PATTERN
Nondefinitive Spec/std Data2 CLASS
Inlet Connection TypeFEMALE BRAZING NIPPLE
Outlet Connection TypeFEMALE BRAZING NIPPLE
Design TypeTHERMOSTATIC
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
4730-00-032-1517 INTERCHANGEABLE
Trap,steam
4730-00-232-8013 INTERCHANGEABLE
Trap,steam
4730-00-232-8024 INTERCHANGEABLE
Trap,steam
4730-00-256-73011633-37-30PC135 INTERCHANGEABLE
Trap,steam
Spirax Sarco Inc Dba Spirax Sarco
4730-00-289-4616 INTERCHANGEABLE
Trap,steam
4730-00-289-4617 INTERCHANGEABLE
Trap,steam
4730-00-289-4619 INTERCHANGEABLE
Trap,steam
4730-01-142-1786N-100 1/2 IN STWY INTERCHANGEABLE
Trap,steam
Spirax Sarco Inc Dba Spirax Sarco
Cross-Reference Index
Part NumberManufacturer
MILT2118 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
J447-1IN PRIMARY Spirax Sarco Inc Dba Spirax Sarco (USA)
Related Parts
4730-00-032-1517INTERCHANGEABLE
TRAP,STEAM
4730-00-232-8013INTERCHANGEABLE
TRAP,STEAM
4730-00-232-8024INTERCHANGEABLE
TRAP,STEAM
4730-00-256-7301INTERCHANGEABLE
TRAP,STEAM
1633-37-30PC135
4730-00-289-4616INTERCHANGEABLE
TRAP,STEAM
4730-00-289-4617INTERCHANGEABLE
TRAP,STEAM
4730-00-289-4619INTERCHANGEABLE
TRAP,STEAM
4730-01-142-1786INTERCHANGEABLE
TRAP,STEAM
N-100 1/2 IN STWY

Frequently Asked Questions

What is NSN 4730-00-935-1593?

NSN 4730-00-935-1593 is a Trap,steam, manufactured by Spirax Sarco Inc Dba Spirax Sarco, classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-00-935-1593?

NSN 4730-00-935-1593 has 2 cross-referenced part numbers: MILT2118 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), J447-1IN (Spirax Sarco Inc Dba Spirax Sarco).

What NSN replaces 4730-00-935-1593?

There are 8 known substitutes for 4730-00-935-1593: 4730-00-032-1517, 4730-00-232-8013, 4730-00-232-8024 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of J447-1IN?

Key specifications for J447-1IN: Rated Capacity at Maximum Working Pressure: 4500.000 POUNDS OF WATER PER HOUR LBS; Maximum Steam Working Pressure: ERR-060; Body Design: STRAIGHT PATTERN; Nondefinitive Spec/std Data: 2 CLASS. 8 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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