PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

215Trap,steam

Armstrong International Inc Dba Armstrong Machine Works · NSN 4730-00-231-3453 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-231-3453 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-231-3453. Primary manufacturer part number: 215.
Features
  • Trap,steam — FSC 4730
  • Design Type: INVERTED BUCKET
  • Screw Thread Series Designator: NPT BOTH INLET AND OUTLET
  • Surface Treatment: PAINT
  • Body Design: STRAIGHT VERTICAL PATTERN
  • Rated Capacity at Maximum Working Pressure: 7000.0 POUNDS OF WATER PER HOUR LBS
  • Inlet Connection Type: FEMALE IRON PIPE
  • Material: STEEL BODY
Applications
  • Applications requiring Steel Body construction
General Description

The Trap,steam, cataloged under National Stock Number 4730-00-231-3453, 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 Armstrong International Inc Dba Armstrong Machine Works. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 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
NSN4730-00-231-3453
Primary Part Number215
Item NameTrap,steam
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerArmstrong International Inc Dba Armstrong Machine Works
StatusCANCELLED
Design TypeINVERTED BUCKET
Screw Thread Series DesignatorNPT BOTH INLET AND OUTLET
Surface TreatmentPAINT
Body DesignSTRAIGHT VERTICAL PATTERN
Rated Capacity at Maximum Working Pressure7000.0 POUNDS OF WATER PER HOUR LBS
Inlet Connection TypeFEMALE IRON PIPE
MaterialSTEEL BODY
MaterialSTEEL CORROSION RESISTING WORKING PARTS
Nondefinitive Spec/std Data1 TYPE AND B STYLE AND 7 CLASS AND 1-1/4 INCH SIZE IN
Thread DirectionRIGHT-HAND BOTH INLET AND OUTLET
Maximum Steam Working PressureERR-060
Outlet Connection TypeFEMALE IRON PIPE
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
4730-00-142-2160 INTERCHANGEABLE
Trap,steam
4730-00-168-2033404317 INTERCHANGEABLE
Trap,steam
Itt Fluid Technology Corp Itt Mcdonnell and Miller
4730-00-223-3630 INTERCHANGEABLE
Trap,steam
4730-00-223-8038 INTERCHANGEABLE
Trap,steam
4730-00-231-3443404368 INTERCHANGEABLE
Trap,steam
Itt Fluid Technology Corp Itt Mcdonnell and Miller
4730-00-232-800933-20169 INTERCHANGEABLE
Trap,steam
Itt Fluid Technology Corp Itt Mcdonnell and Miller
4730-00-232-8012TYPEAHV-41 INTERCHANGEABLE
Trap,steam
Nicholson Steam Trap Inc
4730-00-232-8023 INTERCHANGEABLE
Trap,steam
4730-00-265-1891 INTERCHANGEABLE
Trap,steam
4730-00-265-1934T-3S-3/4 INTERCHANGEABLE
Trap,steam
Trane U.s. Inc. Dba the Trane Co Div Trane Headquarters
Cross-Reference Index
Part NumberManufacturer
4897K38 Mcmaster-Carr Supply Co (USA)
WWT696 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
215 PRIMARY Armstrong International Inc Dba Armstrong Machine Works (USA)
Related Parts
4730-00-142-2160INTERCHANGEABLE
TRAP,STEAM
4730-00-168-2033INTERCHANGEABLE
TRAP,STEAM
404317
4730-00-223-3630INTERCHANGEABLE
TRAP,STEAM
4730-00-223-8038INTERCHANGEABLE
TRAP,STEAM
4730-00-231-3443INTERCHANGEABLE
TRAP,STEAM
404368
4730-00-232-8009INTERCHANGEABLE
TRAP,STEAM
33-20169
4730-00-232-8012INTERCHANGEABLE
TRAP,STEAM
TYPEAHV-41
4730-00-232-8023INTERCHANGEABLE
TRAP,STEAM
4730-00-265-1891INTERCHANGEABLE
TRAP,STEAM
4730-00-265-1934INTERCHANGEABLE
TRAP,STEAM
T-3S-3/4
4730-00-270-3797INTERCHANGEABLE
TRAP,STEAM
4730-00-270-4338INTERCHANGEABLE
TRAP,STEAM

Frequently Asked Questions

What is NSN 4730-00-231-3453?

NSN 4730-00-231-3453 is a Trap,steam, manufactured by Armstrong International Inc Dba Armstrong Machine Works, classified under FSC 4730 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4730-00-231-3453?

NSN 4730-00-231-3453 has 3 cross-referenced part numbers: 4897K38 (Mcmaster-Carr Supply Co), WWT696 (Federal Specifications Promulgated by General Services Administration Washington DC), 215 (Armstrong International Inc Dba Armstrong Machine Works).

What NSN replaces 4730-00-231-3453?

There are 12 known substitutes for 4730-00-231-3453: 4730-00-142-2160, 4730-00-168-2033, 4730-00-223-3630 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 215?

Key specifications for 215: Design Type: INVERTED BUCKET; Screw Thread Series Designator: NPT BOTH INLET AND OUTLET; Surface Treatment: PAINT; Body Design: STRAIGHT VERTICAL PATTERN. 12 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4730-00-231-3453 still in active supply?

NSN 4730-00-231-3453 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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