PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

52454Trap,steam

Spirax Sarco Inc Dba Spirax Sarco · NSN 4730-00-277-5441 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-277-5441 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-277-5441. Primary manufacturer part number: 52454.
Features
  • Trap,steam — FSC 4730
  • Thread Direction: RIGHT-HAND LOCATION NOT OTHERWISE SPECIFIED
  • Design Type: THERMOSTATIC
  • Furnished Items: STRAINER
  • Material: STEEL CORROSION RESISTING VALVE SEAT
  • Screw Thread Series Designator: NPT LOCATION NOT OTHERWISE SPECIFIED
  • Inlet Connection Type: FEMALE IRON PIPE
  • Outlet Connection Type: FEMALE IRON PIPE
Applications
  • Applications requiring Steel Corrosion Resisting Valve Seat construction
General Description

The Trap,steam, cataloged under National Stock Number 4730-00-277-5441, 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 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 12 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
NSN4730-00-277-5441
Primary Part Number52454
Item NameTrap,steam
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerSpirax Sarco Inc Dba Spirax Sarco
StatusCANCELLED
Thread DirectionRIGHT-HAND LOCATION NOT OTHERWISE SPECIFIED
Design TypeTHERMOSTATIC
Furnished ItemsSTRAINER
MaterialSTEEL CORROSION RESISTING VALVE SEAT
Screw Thread Series DesignatorNPT LOCATION NOT OTHERWISE SPECIFIED
Inlet Connection TypeFEMALE IRON PIPE
Outlet Connection TypeFEMALE IRON PIPE
Body DesignANGLE PATTERN
Rated Capacity at Maximum Working Pressure1950.0 POUNDS OF WATER PER HOUR LBS
MaterialSTEEL CORROSION RESISTING VALVE HEAD
Maximum Steam Working PressureERR-060
MaterialCOPPER ALLOY CAP
MaterialCOPPER ALLOY BODY
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5340-00-055-23111003704-13 INTERCHANGEABLE
Standoff,threaded,spacing
Armel De Llc Dba Armel Electronics
3895-00-126-0636 INTERCHANGEABLE
Arm
2530-00-155-7226387993C91 INTERCHANGEABLE
Cylinder Assembly,hydraulic Brak
Navistar Intl Corp Melrose Park Engine Plant Location /melrose Park/
5975-00-265-7775RW100-50 INTERCHANGEABLE
Reducing Washer,knockout
Egs Electrical Group Appleton Div
6145-00-284-0067 INTERCHANGEABLE
Cable,power,electrical
3530-00-359-8079 INTERCHANGEABLE
Retainer,thread
3040-00-393-1910SC-B-70401 INTERCHANGEABLE
Lever,manual Control
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
5940-00-617-7557C678137-1 INTERCHANGEABLE
Terminal,lug
Honeywell International Inc Dba Honeywell
3120-00-662-89504500166-6 INTERCHANGEABLE
Bearing,sleeve
Agco Corp Parts Opn
5995-00-707-14193169 INTERCHANGEABLE
Cable Assembly,special Purpose,e
Abm Equipment, Llc
Cross-Reference Index
Part NumberManufacturer
3703 Barnes & Jones, Inc. (USA)
L28299 Spirax Sarco Inc Dba Spirax Sarco (USA)
J-446 Spirax Sarco Inc Dba Spirax Sarco (USA)
1EBA Barnes & Jones, Inc. (USA)
N-100 3/8-ANGLE Spirax Sarco Inc Dba Spirax Sarco (USA)
J-446 3/8IN Spirax Sarco Inc Dba Spirax Sarco (USA)
ED2430 Barnes & Jones, Inc. (USA)
E 3-8IN Barnes & Jones, Inc. (USA)
39678 Spirax Sarco Inc Dba Spirax Sarco (USA)
N-100-3/8-ANGLE Spirax Sarco Inc Dba Spirax Sarco (USA)
L28299 3-8 Spirax Sarco Inc Dba Spirax Sarco (USA)
52454 PRIMARY Spirax Sarco Inc Dba Spirax Sarco (USA)
Related Parts
5340-00-055-2311INTERCHANGEABLE
STANDOFF,THREADED,SPACING
1003704-13
3895-00-126-0636INTERCHANGEABLE
ARM
2530-00-155-7226INTERCHANGEABLE
CYLINDER ASSEMBLY,HYDRAULIC BRAK
387993C91
5975-00-265-7775INTERCHANGEABLE
REDUCING WASHER,KNOCKOUT
RW100-50
6145-00-284-0067INTERCHANGEABLE
CABLE,POWER,ELECTRICAL
3530-00-359-8079INTERCHANGEABLE
RETAINER,THREAD
3040-00-393-1910INTERCHANGEABLE
LEVER,MANUAL CONTROL
SC-B-70401
5940-00-617-7557INTERCHANGEABLE
TERMINAL,LUG
C678137-1
3120-00-662-8950INTERCHANGEABLE
BEARING,SLEEVE
4500166-6
5995-00-707-1419INTERCHANGEABLE
CABLE ASSEMBLY,SPECIAL PURPOSE,E
3169
6150-00-737-5775INTERCHANGEABLE
LEAD,ELECTRICAL
52454
4730-00-757-4492INTERCHANGEABLE
COUPLING,DRAINAGE PIPE
433857

Frequently Asked Questions

What is NSN 4730-00-277-5441?

NSN 4730-00-277-5441 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 4730-00-277-5441?

NSN 4730-00-277-5441 has 12 cross-referenced part numbers: 3703 (Barnes & Jones, Inc.), L28299 (Spirax Sarco Inc Dba Spirax Sarco), J-446 (Spirax Sarco Inc Dba Spirax Sarco), 1EBA (Barnes & Jones, Inc.), N-100 3/8-ANGLE (Spirax Sarco Inc Dba Spirax Sarco) and 7 more.

What NSN replaces 4730-00-277-5441?

There are 12 known substitutes for 4730-00-277-5441: 5340-00-055-2311, 3895-00-126-0636, 2530-00-155-7226 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 52454?

Key specifications for 52454: Thread Direction: RIGHT-HAND LOCATION NOT OTHERWISE SPECIFIED; Design Type: THERMOSTATIC; Furnished Items: STRAINER; Material: STEEL CORROSION RESISTING VALVE SEAT. 13 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4730-00-277-5441 still in active supply?

NSN 4730-00-277-5441 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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