PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

41-20Trap,steam

Velan Valve Corp. · NSN 4730-00-801-9027 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-801-9027 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-801-9027. Primary manufacturer part number: 41-20.
Features
  • Trap,steam — FSC 4730
  • Rated Capacity at Maximum Working Pressure: 3000.000 POUNDS OF WATER PER HOUR LBS
  • Inlet Connection Type: SOCKET WELDING
  • Furnished Items: STRAINER
  • Maximum Steam Working Pressure: ERR-060
  • Body Design: STRAIGHT PATTERN
  • Outlet Connection Type: SOCKET WELDING
  • Design Type: PULSATING
Applications
  • Applications requiring Steel Body construction
General Description

The Trap,steam, cataloged under National Stock Number 4730-00-801-9027, 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 Velan Valve Corp.. Government technical data includes 10 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4730-00-801-9027
Primary Part Number41-20
Item NameTrap,steam
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerVelan Valve Corp.
StatusACTIVE
Rated Capacity at Maximum Working Pressure3000.000 POUNDS OF WATER PER HOUR LBS
Inlet Connection TypeSOCKET WELDING
Furnished ItemsSTRAINER
Maximum Steam Working PressureERR-060
Body DesignSTRAIGHT PATTERN
Outlet Connection TypeSOCKET WELDING
Design TypePULSATING
MaterialSTEEL BODY
Nondefinitive Spec/std Data2 TYPE AND 600 SERIES
MaterialSTEEL CORROSION RESISTING WORKING PARTS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5305-00-059-8235 INTERCHANGEABLE
Screw,machine
4730-00-072-6244504 INTERCHANGEABLE
Plug,pipe
Lawler Manufacturing Company, Inc.
4210-00-109-4314 INTERCHANGEABLE
Bracket,fire Extinguisher
3120-00-339-3204 INTERCHANGEABLE
Bearing,sleeve
4320-00-359-9270 INTERCHANGEABLE
Impeller
4320-00-542-3198 INTERCHANGEABLE
Ram,hydraulic
4010-00-619-8038 INTERCHANGEABLE
Chain,bead
4730-00-801-9029 INTERCHANGEABLE
Trap,steam
4820-01-006-3623B42XS4 INTERCHANGEABLE
Valve,plug
Swagelok Co
6850-01-026-72394120 INTERCHANGEABLE
Toner and Dispersant Kit
Ricoh Americas Corporation
Cross-Reference Index
Part NumberManufacturer
41-20 Velan Valve Corp. (USA)
13062PC5 Velan Valve Corp. (USA)
MILT960DTYPE2SERIES600 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
J952-1TM600N Spirax Sarco Inc Dba Spirax Sarco (USA)
N00411INSKTWLD Velan Valve Corp. (USA)
Related Parts
5305-00-059-8235INTERCHANGEABLE
SCREW,MACHINE
4730-00-072-6244INTERCHANGEABLE
PLUG,PIPE
504
4210-00-109-4314INTERCHANGEABLE
BRACKET,FIRE EXTINGUISHER
3120-00-339-3204INTERCHANGEABLE
BEARING,SLEEVE
4320-00-359-9270INTERCHANGEABLE
IMPELLER
4320-00-542-3198INTERCHANGEABLE
RAM,HYDRAULIC
4010-00-619-8038INTERCHANGEABLE
CHAIN,BEAD
4730-00-801-9029INTERCHANGEABLE
TRAP,STEAM
4820-01-006-3623INTERCHANGEABLE
VALVE,PLUG
B42XS4
6850-01-026-7239INTERCHANGEABLE
TONER AND DISPERSANT KIT
4120
4210-01-058-2164INTERCHANGEABLE
CAP,BLOW-OFF
4120
5340-01-086-3502INTERCHANGEABLE
PLUG,EXPANSION
41-20

Frequently Asked Questions

What is NSN 4730-00-801-9027?

NSN 4730-00-801-9027 is a Trap,steam, manufactured by Velan Valve Corp., classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-00-801-9027?

NSN 4730-00-801-9027 has 5 cross-referenced part numbers: 41-20 (Velan Valve Corp.), 13062PC5 (Velan Valve Corp.), MILT960DTYPE2SERIES600 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), J952-1TM600N (Spirax Sarco Inc Dba Spirax Sarco), N00411INSKTWLD (Velan Valve Corp.).

What NSN replaces 4730-00-801-9027?

There are 12 known substitutes for 4730-00-801-9027: 5305-00-059-8235, 4730-00-072-6244, 4210-00-109-4314 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 41-20?

Key specifications for 41-20: Rated Capacity at Maximum Working Pressure: 3000.000 POUNDS OF WATER PER HOUR LBS; Inlet Connection Type: SOCKET WELDING; Furnished Items: STRAINER; Maximum Steam Working Pressure: ERR-060. 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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