PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

21212-1-4INTrap,steam

Velan Valve Corp. · NSN 4730-00-202-6425 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-202-6425 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-202-6425. Primary manufacturer part number: 21212-1-4IN.
Features
  • Trap,steam — FSC 4730
  • Maximum Steam Working Pressure: ERR-060
  • Design Type: THERMOSTATIC
  • Body Design: STRAIGHT PATTERN
  • Outlet Connection Type: SOCKET WELDING
  • Inlet Connection Type: SOCKET WELDING
  • Reference Number Differentiating Characteristics: ITEM 6,1/4 IN. IN
  • Material: COPPER ALLOY BODY
Applications
  • Applications requiring Copper Alloy Body construction
General Description

The Trap,steam, cataloged under National Stock Number 4730-00-202-6425, 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 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4730-00-202-6425
Primary Part Number21212-1-4IN
Item NameTrap,steam
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerVelan Valve Corp.
StatusACTIVE
Maximum Steam Working PressureERR-060
Design TypeTHERMOSTATIC
Body DesignSTRAIGHT PATTERN
Outlet Connection TypeSOCKET WELDING
Inlet Connection TypeSOCKET WELDING
Reference Number Differentiating CharacteristicsITEM 6,1/4 IN. IN
MaterialCOPPER ALLOY BODY
MaterialSTEEL CORROSION RESISTING WORKING PARTS
MaterialSTEEL CORROSION RESISTING WORKING PARTS
Reference Number Differentiating CharacteristicsITEM 6,1/4 IN. IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 11
1005-00-193-0447 INTERCHANGEABLE
Roller,ammunition
5910-00-195-0902 INTERCHANGEABLE
Capacitor,fixed,mica Dielectric
5305-00-206-4876100-7B4-4 INTERCHANGEABLE
Screw,machine
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
5999-00-392-7921SM-C-148706 INTERCHANGEABLE
Contact Assembly,electrical
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
5895-00-415-6637CY6816APX72 INTERCHANGEABLE
Case,electronic Communications E
Joint Electronics Type Designation System
5340-00-879-054710335 INTERCHANGEABLE
Seal,antipilferage
Triumph Engine Control Systems Llc
4820-00-906-147610335 INTERCHANGEABLE
Valve,flow Control
Hexco International Dba Acd
5945-00-948-048010335-105 INTERCHANGEABLE
Relay,electromagnetic
Ducommun Labarge Technologies, Inc Dba Ducommun Labarge Technologies, Inc
5999-01-076-466910335 INTERCHANGEABLE
Mounting Pad,electrical-Electron
Bae Systems Information and Electronic Systems Integration Inc.
2540-01-210-9711 INTERCHANGEABLE
Motor,windshield Wiper,electric
Cross-Reference Index
Part NumberManufacturer
21212-1-4IN Velan Valve Corp. (USA)
1-4IN-N100J447 Spirax Sarco Inc Dba Spirax Sarco (USA)
10335 Velan Valve Corp. (USA)
Related Parts
1005-00-193-0447INTERCHANGEABLE
ROLLER,AMMUNITION
5910-00-195-0902INTERCHANGEABLE
CAPACITOR,FIXED,MICA DIELECTRIC
5305-00-206-4876INTERCHANGEABLE
SCREW,MACHINE
100-7B4-4
5999-00-392-7921INTERCHANGEABLE
CONTACT ASSEMBLY,ELECTRICAL
SM-C-148706
5895-00-415-6637INTERCHANGEABLE
CASE,ELECTRONIC COMMUNICATIONS E
CY6816APX72
5340-00-879-0547INTERCHANGEABLE
SEAL,ANTIPILFERAGE
10335
4820-00-906-1476INTERCHANGEABLE
VALVE,FLOW CONTROL
10335
5945-00-948-0480INTERCHANGEABLE
RELAY,ELECTROMAGNETIC
10335-105
5999-01-076-4669INTERCHANGEABLE
MOUNTING PAD,ELECTRICAL-ELECTRON
10335
2540-01-210-9711INTERCHANGEABLE
MOTOR,WINDSHIELD WIPER,ELECTRIC
6515-01-678-7324INTERCHANGEABLE
SHIELD,BUNION

Frequently Asked Questions

What is NSN 4730-00-202-6425?

NSN 4730-00-202-6425 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 4730-00-202-6425?

NSN 4730-00-202-6425 has 3 cross-referenced part numbers: 21212-1-4IN (Velan Valve Corp.), 1-4IN-N100J447 (Spirax Sarco Inc Dba Spirax Sarco), 10335 (Velan Valve Corp.).

What NSN replaces 4730-00-202-6425?

There are 11 known substitutes for 4730-00-202-6425: 1005-00-193-0447, 5910-00-195-0902, 5305-00-206-4876 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 21212-1-4IN?

Key specifications for 21212-1-4IN: Maximum Steam Working Pressure: ERR-060; Design Type: THERMOSTATIC; Body Design: STRAIGHT PATTERN; Outlet Connection Type: SOCKET WELDING. 10 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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