PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

57815Trap,steam

Spirax Sarco Inc Dba Spirax Sarco · NSN 4730-01-200-9161 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-01-200-9161 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-200-9161. Primary manufacturer part number: 57815.
Features
  • Trap,steam — FSC 4730
  • Screw Thread Series Designator: NPT BOTH INLET AND OUTLET
  • Maximum Steam Working Pressure: ERR-060
  • Furnished Items: STRAINER
  • Outlet Connection Type: FEMALE IRON PIPE AND MALE IRON PIPE
  • Body Design: STRAIGHT HORIZONTAL PATTERN
  • Design Type: THERMOSTATIC
  • Thread Direction: RIGHT-HAND BOTH INLET AND OUTLET
Applications
  • Applications requiring Copper Alloy Overall construction
General Description

The Trap,steam, cataloged under National Stock Number 4730-01-200-9161, 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 Spirax Sarco Inc Dba Spirax Sarco. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 2 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
NSN4730-01-200-9161
Primary Part Number57815
Item NameTrap,steam
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerSpirax Sarco Inc Dba Spirax Sarco
StatusCANCELLED
Screw Thread Series DesignatorNPT BOTH INLET AND OUTLET
Maximum Steam Working PressureERR-060
Furnished ItemsSTRAINER
Outlet Connection TypeFEMALE IRON PIPE AND MALE IRON PIPE
Body DesignSTRAIGHT HORIZONTAL PATTERN
Design TypeTHERMOSTATIC
Thread DirectionRIGHT-HAND BOTH INLET AND OUTLET
MaterialCOPPER ALLOY OVERALL
Inlet Connection TypeFEMALE IRON PIPE AND MALE IRON PIPE
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5330-00-073-693850225 INTERCHANGEABLE
Seal,sump,transmission
Rubbercraft Corporation of California, Ltd. Dba Rubbercraft Corp
5950-00-146-4809 INTERCHANGEABLE
Transformer,power
5330-00-291-9620408091 INTERCHANGEABLE
Seal,plain Encased
Garwood/feller Inc Garwood Winch Div
4330-00-608-5865 INTERCHANGEABLE
Head,fluid Filter
1650-00-765-925550225 INTERCHANGEABLE
Pin,pivot
Parker Hannifin Corporation Div Hydraulic Systems Division
2805-00-812-034557815 INTERCHANGEABLE
Strap,seal
Mcculloch Corp
6145-00-821-4418 INTERCHANGEABLE
Wire,electrical
5305-00-979-7806 INTERCHANGEABLE
Setscrew
2040-01-033-678150225 INTERCHANGEABLE
Cube Assembly,upper
L3 Technologies, Inc. Div L3 Keo
5330-01-122-04107056-4 INTERCHANGEABLE
Retainer,packing
Cooper Interconnect, Inc. Dba Cooper Interconnect Div Interconnect
Cross-Reference Index
Part NumberManufacturer
57815 PRIMARY Spirax Sarco Inc Dba Spirax Sarco (USA)
70564 PRIMARY Spirax Sarco Inc Dba Spirax Sarco (USA)
L-40631 Spirax Sarco Inc Dba Spirax Sarco (USA)
50225 Spirax Sarco Inc Dba Spirax Sarco (USA)
J448 1/2IN Spirax Sarco Inc Dba Spirax Sarco (USA)
1/2 RTA-125 E.s.m. Aerospace Inc. Dba Esm Aerospace Inc (USA)
Related Parts
5330-00-073-6938INTERCHANGEABLE
SEAL,SUMP,TRANSMISSION
50225
5950-00-146-4809INTERCHANGEABLE
TRANSFORMER,POWER
5330-00-291-9620INTERCHANGEABLE
SEAL,PLAIN ENCASED
408091
4330-00-608-5865INTERCHANGEABLE
HEAD,FLUID FILTER
1650-00-765-9255INTERCHANGEABLE
PIN,PIVOT
50225
2805-00-812-0345INTERCHANGEABLE
STRAP,SEAL
57815
6145-00-821-4418INTERCHANGEABLE
WIRE,ELECTRICAL
5305-00-979-7806INTERCHANGEABLE
SETSCREW
2040-01-033-6781INTERCHANGEABLE
CUBE ASSEMBLY,UPPER
50225
5330-01-122-0410INTERCHANGEABLE
RETAINER,PACKING
7056-4
5995-01-255-8949INTERCHANGEABLE
CABLE ASSEMBLY,RADIO FREQUENCY
50-22-5
4710-01-309-6210INTERCHANGEABLE
TUBE ASSEMBLY,METAL

Frequently Asked Questions

What is NSN 4730-01-200-9161?

NSN 4730-01-200-9161 is a Trap,steam, manufactured by Spirax Sarco Inc Dba Spirax Sarco, classified under FSC 4730 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4730-01-200-9161?

NSN 4730-01-200-9161 has 6 cross-referenced part numbers: 57815 (Spirax Sarco Inc Dba Spirax Sarco), 70564 (Spirax Sarco Inc Dba Spirax Sarco), L-40631 (Spirax Sarco Inc Dba Spirax Sarco), 50225 (Spirax Sarco Inc Dba Spirax Sarco), J448 1/2IN (Spirax Sarco Inc Dba Spirax Sarco) and 1 more.

What NSN replaces 4730-01-200-9161?

There are 12 known substitutes for 4730-01-200-9161: 5330-00-073-6938, 5950-00-146-4809, 5330-00-291-9620 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 57815?

Key specifications for 57815: Screw Thread Series Designator: NPT BOTH INLET AND OUTLET; Maximum Steam Working Pressure: ERR-060; Furnished Items: STRAINER; Outlet Connection Type: FEMALE IRON PIPE AND MALE IRON PIPE. 9 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4730-01-200-9161 still in active supply?

NSN 4730-01-200-9161 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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