PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

TYPEAHV-41Trap,steam

Nicholson Steam Trap Inc · NSN 4730-00-232-8012 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-232-8012 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-232-8012. Primary manufacturer part number: TYPEAHV-41.
Features
  • Trap,steam — FSC 4730
  • Maximum Steam Working Pressure: ERR-060
  • Inlet Connection Type: FEMALE IRON PIPE
  • Design Type: THERMOSTATIC
  • Screw Thread Series Designator: NPT BOTH INLET AND OUTLET
  • Thread Direction: RIGHT-HAND BOTH INLET AND OUTLET
  • Material: STEEL CORROSION RESISTING WORKING PARTS
  • Nondefinitive Spec/std Data: 5 TYPE AND 6 CLASS AND 3/4 IN. SIZE IN
Applications
  • Applications requiring Steel Corrosion Resisting Working Parts construction
General Description

The Trap,steam, cataloged under National Stock Number 4730-00-232-8012, 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 Nicholson Steam Trap Inc. Government technical data includes 11 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: Active.

Technical Specifications
ParameterValue
NSN4730-00-232-8012
Primary Part NumberTYPEAHV-41
Item NameTrap,steam
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerNicholson Steam Trap Inc
StatusACTIVE
Maximum Steam Working PressureERR-060
Inlet Connection TypeFEMALE IRON PIPE
Design TypeTHERMOSTATIC
Screw Thread Series DesignatorNPT BOTH INLET AND OUTLET
Thread DirectionRIGHT-HAND BOTH INLET AND OUTLET
MaterialSTEEL CORROSION RESISTING WORKING PARTS
Nondefinitive Spec/std Data5 TYPE AND 6 CLASS AND 3/4 IN. SIZE IN
Body DesignSTRAIGHT HORIZONTAL PATTERN OR STRAIGHT VERTICAL PATTERN
Outlet Connection TypeFEMALE IRON PIPE
Rated Capacity at Maximum Working Pressure6210.0 POUNDS OF WATER PER HOUR LBS
MaterialCOPPER ALLOY BODY
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5330-00-016-2985 INTERCHANGEABLE
Packing,preformed
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
4730-00-231-3453215 INTERCHANGEABLE
Trap,steam
Armstrong International Inc Dba Armstrong Machine Works
4730-00-232-800933-20169 INTERCHANGEABLE
Trap,steam
Itt Fluid Technology Corp Itt Mcdonnell and Miller
4730-00-232-8023 INTERCHANGEABLE
Trap,steam
6740-00-240-2091BS2 INTERCHANGEABLE
Splicer,photographic Film
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
Cross-Reference Index
Part NumberManufacturer
WWT696 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
BS2 The Clark-Eliance Corp (USA)
TYPEAHV-41 PRIMARY Nicholson Steam Trap Inc (USA)
Related Parts
5330-00-016-2985INTERCHANGEABLE
PACKING,PREFORMED
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
4730-00-231-3453INTERCHANGEABLE
TRAP,STEAM
215
4730-00-232-8009INTERCHANGEABLE
TRAP,STEAM
33-20169
4730-00-232-8023INTERCHANGEABLE
TRAP,STEAM
6740-00-240-2091INTERCHANGEABLE
SPLICER,PHOTOGRAPHIC FILM
BS2
4730-00-265-1891INTERCHANGEABLE
TRAP,STEAM
4730-00-265-1934INTERCHANGEABLE
TRAP,STEAM
T-3S-3/4

Frequently Asked Questions

What is NSN 4730-00-232-8012?

NSN 4730-00-232-8012 is a Trap,steam, manufactured by Nicholson Steam Trap Inc, classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-00-232-8012?

NSN 4730-00-232-8012 has 3 cross-referenced part numbers: WWT696 (Federal Specifications Promulgated by General Services Administration Washington DC), BS2 (The Clark-Eliance Corp), TYPEAHV-41 (Nicholson Steam Trap Inc).

What NSN replaces 4730-00-232-8012?

There are 12 known substitutes for 4730-00-232-8012: 5330-00-016-2985, 4730-00-142-2160, 4730-00-168-2033 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of TYPEAHV-41?

Key specifications for TYPEAHV-41: Maximum Steam Working Pressure: ERR-060; Inlet Connection Type: FEMALE IRON PIPE; Design Type: THERMOSTATIC; Screw Thread Series Designator: NPT BOTH INLET AND OUTLET. 11 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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