PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

L28299-1Trap,steam

Spirax Sarco Inc Dba Spirax Sarco · NSN 4730-00-277-5440 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-277-5440 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-277-5440. Primary manufacturer part number: L28299-1.
Features
  • Trap,steam — FSC 4730
  • Inlet Connection Type: FEMALE IRON PIPE
  • Thread Direction: RIGHT-HAND BOTH INLET AND OUTLET
  • Material: STEEL CORROSION RESISTING WORKING PARTS
  • Rated Capacity at Maximum Working Pressure: 5275.0 POUNDS OF WATER PER HOUR LBS
  • Furnished Items: STRAINER
  • Design Type: THERMOSTATIC
  • Material: COPPER ALLOY BODY
Applications
  • Applications requiring Steel Corrosion Resisting Working Parts construction
General Description

The Trap,steam, cataloged under National Stock Number 4730-00-277-5440, 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 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4730-00-277-5440
Primary Part NumberL28299-1
Item NameTrap,steam
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerSpirax Sarco Inc Dba Spirax Sarco
StatusACTIVE
Inlet Connection TypeFEMALE IRON PIPE
Thread DirectionRIGHT-HAND BOTH INLET AND OUTLET
MaterialSTEEL CORROSION RESISTING WORKING PARTS
Rated Capacity at Maximum Working Pressure5275.0 POUNDS OF WATER PER HOUR LBS
Furnished ItemsSTRAINER
Design TypeTHERMOSTATIC
MaterialCOPPER ALLOY BODY
Body DesignANGLE PATTERN
Outlet Connection TypeFEMALE IRON PIPE
Maximum Steam Working PressureERR-060
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
3455-00-293-052308680 INTERCHANGEABLE
Cutter,milling,metal Slitting
Niagara Cutter Inc
3010-01-505-5085SA-4311 INTERCHANGEABLE
Actuator,electromechanical,rotar
Woodward Controls Inc.
Cross-Reference Index
Part NumberManufacturer
L28299-1 PRIMARY Spirax Sarco Inc Dba Spirax Sarco (USA)
45588 PRIMARY Spirax Sarco Inc Dba Spirax Sarco (USA)
Related Parts
3455-00-293-0523INTERCHANGEABLE
CUTTER,MILLING,METAL SLITTING
08680
3010-01-505-5085INTERCHANGEABLE
ACTUATOR,ELECTROMECHANICAL,ROTAR
SA-4311

Frequently Asked Questions

What is NSN 4730-00-277-5440?

NSN 4730-00-277-5440 is a Trap,steam, manufactured by Spirax Sarco Inc Dba Spirax Sarco, classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-00-277-5440?

NSN 4730-00-277-5440 has 2 cross-referenced part numbers: L28299-1 (Spirax Sarco Inc Dba Spirax Sarco), 45588 (Spirax Sarco Inc Dba Spirax Sarco).

What NSN replaces 4730-00-277-5440?

There are 2 known substitutes for 4730-00-277-5440: 3455-00-293-0523, 3010-01-505-5085. Verify interchangeability with system specifications before substitution.

What are the specifications of L28299-1?

Key specifications for L28299-1: Inlet Connection Type: FEMALE IRON PIPE; Thread Direction: RIGHT-HAND BOTH INLET AND OUTLET; Material: STEEL CORROSION RESISTING WORKING PARTS; Rated Capacity at Maximum Working Pressure: 5275.0 POUNDS OF WATER PER HOUR LBS. 10 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com