PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

S11321-770190023Trap,steam

Sfc Valve Corporation · NSN 4730-00-270-4341 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-270-4341 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-270-4341. Primary manufacturer part number: S11321-770190023.
Features
  • Trap,steam — FSC 4730
  • Design Type: NONTHERMOSTATIC
  • Rated Capacity at Maximum Working Pressure: 1725.000 POUNDS OF WATER PER HOUR LBS
  • Body Design: STRAIGHT PATTERN
  • Material: COPPER ALLOY ORIFICE
  • Furnished Items: STRAINER
  • Maximum Steam Working Pressure: ERR-060
  • Material: NICKEL ALLOY TUBE
Applications
  • Applications requiring Copper Alloy Orifice construction
General Description

The Trap,steam, cataloged under National Stock Number 4730-00-270-4341, 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 Sfc Valve Corporation. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4730-00-270-4341
Primary Part NumberS11321-770190023
Item NameTrap,steam
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerSfc Valve Corporation
StatusACTIVE
Design TypeNONTHERMOSTATIC
Rated Capacity at Maximum Working Pressure1725.000 POUNDS OF WATER PER HOUR LBS
Body DesignSTRAIGHT PATTERN
MaterialCOPPER ALLOY ORIFICE
Furnished ItemsSTRAINER
Maximum Steam Working PressureERR-060
MaterialNICKEL ALLOY TUBE
Screw Thread Series DesignatorUN LOCATION NOT OTHERWISE SPECIFIED
MaterialCOPPER ALLOY BODY
Thread DirectionRIGHT-HAND LOCATION NOT OTHERWISE SPECIFIED
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
4730-00-142-1665 INTERCHANGEABLE
Trap,steam
4730-00-216-6151 INTERCHANGEABLE
Restrictor Unit,fluid Flow
4730-00-223-8040B1X-180 3-4IN INTERCHANGEABLE
Trap,steam
Spirax Sarco Inc Dba Spirax Sarco
4730-00-230-4154J464 INTERCHANGEABLE
Trap,steam
Spirax Sarco Inc Dba Spirax Sarco
4730-00-270-4342 INTERCHANGEABLE
Trap,steam
4730-00-499-2091 INTERCHANGEABLE
Trap,steam
4730-01-141-1587 INTERCHANGEABLE
Trap,steam
Cross-Reference Index
Part NumberManufacturer
S11321 1-2INTHRD Sfc Valve Corp (USA)
S11321-770190023 PRIMARY Sfc Valve Corporation (USA)
MIL-T-960 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
S11321-770190023 Sfc Valve Corp (USA)
Related Parts
4730-00-142-1665INTERCHANGEABLE
TRAP,STEAM
4730-00-216-6151INTERCHANGEABLE
RESTRICTOR UNIT,FLUID FLOW
4730-00-223-8040INTERCHANGEABLE
TRAP,STEAM
B1X-180 3-4IN
4730-00-230-4154INTERCHANGEABLE
TRAP,STEAM
J464
4730-00-270-4342INTERCHANGEABLE
TRAP,STEAM
4730-00-499-2091INTERCHANGEABLE
TRAP,STEAM
4730-01-141-1587INTERCHANGEABLE
TRAP,STEAM

Frequently Asked Questions

What is NSN 4730-00-270-4341?

NSN 4730-00-270-4341 is a Trap,steam, manufactured by Sfc Valve Corporation, classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-00-270-4341?

NSN 4730-00-270-4341 has 4 cross-referenced part numbers: S11321 1-2INTHRD (Sfc Valve Corp), S11321-770190023 (Sfc Valve Corporation), MIL-T-960 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), S11321-770190023 (Sfc Valve Corp).

What NSN replaces 4730-00-270-4341?

There are 7 known substitutes for 4730-00-270-4341: 4730-00-142-1665, 4730-00-216-6151, 4730-00-223-8040 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of S11321-770190023?

Key specifications for S11321-770190023: Design Type: NONTHERMOSTATIC; Rated Capacity at Maximum Working Pressure: 1725.000 POUNDS OF WATER PER HOUR LBS; Body Design: STRAIGHT PATTERN; Material: COPPER ALLOY ORIFICE. 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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