PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MIL-T-2118Trap,steam

Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M · NSN 4730-00-289-4617 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-289-4617 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-289-4617. Primary manufacturer part number: MIL-T-2118.
Features
  • Trap,steam — FSC 4730
  • Nondefinitive Spec/std Data: 2 CLASS
  • Material: COPPER ALLOY AND COPPER ALLOY 706 BODY
  • Material: STEEL CORROSION RESISTING WORKING PARTS
  • Maximum Steam Working Pressure: ERR-060
  • Body Design: ANGLE PATTERN
  • Furnished Items: STRAINER
  • Rated Capacity at Maximum Working Pressure: 4500.000 POUNDS OF WATER PER HOUR LBS
Applications
  • Applications requiring Copper Alloy and Copper Alloy 706 Body construction
General Description

The Trap,steam, cataloged under National Stock Number 4730-00-289-4617, 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 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 3 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
NSN4730-00-289-4617
Primary Part NumberMIL-T-2118
Item NameTrap,steam
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerMilitary Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
StatusACTIVE
Nondefinitive Spec/std Data2 CLASS
MaterialCOPPER ALLOY AND COPPER ALLOY 706 BODY
MaterialSTEEL CORROSION RESISTING WORKING PARTS
Maximum Steam Working PressureERR-060
Body DesignANGLE PATTERN
Furnished ItemsSTRAINER
Rated Capacity at Maximum Working Pressure4500.000 POUNDS OF WATER PER HOUR LBS
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
4730-00-289-4619 INTERCHANGEABLE
Trap,steam
4730-00-935-1593J447-1IN INTERCHANGEABLE
Trap,steam
Spirax Sarco Inc Dba Spirax Sarco
4730-01-142-1786N-100 1/2 IN STWY INTERCHANGEABLE
Trap,steam
Spirax Sarco Inc Dba Spirax Sarco
Cross-Reference Index
Part NumberManufacturer
MIL-T-2118 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MILT2118CLASS2 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
M2118-G-3-S-O Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
J446REVC1IN Spirax Sarco Inc Dba Spirax Sarco (USA)
C2C1720TH3BAP Marshall Engineered Products Co Dba Mepco (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
4730-00-289-4619INTERCHANGEABLE
TRAP,STEAM
4730-00-935-1593INTERCHANGEABLE
TRAP,STEAM
J447-1IN
4730-01-142-1786INTERCHANGEABLE
TRAP,STEAM
N-100 1/2 IN STWY

Frequently Asked Questions

What is NSN 4730-00-289-4617?

NSN 4730-00-289-4617 is a Trap,steam, manufactured by Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M, classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-00-289-4617?

NSN 4730-00-289-4617 has 5 cross-referenced part numbers: MIL-T-2118 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MILT2118CLASS2 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), M2118-G-3-S-O (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), J446REVC1IN (Spirax Sarco Inc Dba Spirax Sarco), C2C1720TH3BAP (Marshall Engineered Products Co Dba Mepco).

What NSN replaces 4730-00-289-4617?

There are 8 known substitutes for 4730-00-289-4617: 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 MIL-T-2118?

Key specifications for MIL-T-2118: Nondefinitive Spec/std Data: 2 CLASS; Material: COPPER ALLOY AND COPPER ALLOY 706 BODY; Material: STEEL CORROSION RESISTING WORKING PARTS; Maximum Steam Working Pressure: ERR-060. 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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