PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

50157Trap,steam

Spirax Sarco Inc Dba Spirax Sarco · NSN 4730-00-245-7865 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-245-7865 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-245-7865. Primary manufacturer part number: 50157.
Features
  • Trap,steam — FSC 4730
  • 1 verified cross-reference
  • Primary manufacturer: Spirax Sarco Inc Dba Spirax Sarco
Applications
  • Plumbing and fluid distribution
  • Industrial piping systems
  • Fuel and lubricant distribution
General Description

The Trap,steam, cataloged under National Stock Number 4730-00-245-7865, 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. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4730-00-245-7865
Primary Part Number50157
Item NameTrap,steam
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerSpirax Sarco Inc Dba Spirax Sarco
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
5950-00-146-4814 INTERCHANGEABLE
Transformer,power
3413-00-222-2145 INTERCHANGEABLE
Drilling Machine,upright
3455-00-222-4064 INTERCHANGEABLE
File,rotary
5305-00-227-90035015-7 INTERCHANGEABLE
Screw,externally Relieved Body
L3harris Technologies, Inc. Div Space and Airborne Systems
5330-00-292-162212687 INTERCHANGEABLE
Seal,plain Encased
Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Pump Division
1650-00-337-507550157 INTERCHANGEABLE
Sleeve,selector
Woodward Hrt Inc
1560-01-181-422850157 INTERCHANGEABLE
Polyamide Ball Installation
Mission Systems Davenport Inc.
4720-01-437-22764M2T-4FF0RX-4FF0RX-171 INTERCHANGEABLE
Hose Assembly,nonmetallic
Gates Corporation
1005-01-487-244250157 INTERCHANGEABLE
Bolt,breech
American Apex Corporation
5310-01-708-088050157 INTERCHANGEABLE
Washer,flat
Eaton Aerospace Llc Dba Eaton Aerospace Jackson
Cross-Reference Index
Part NumberManufacturer
50157 PRIMARY Spirax Sarco Inc Dba Spirax Sarco (USA)
Related Parts
5950-00-146-4814INTERCHANGEABLE
TRANSFORMER,POWER
3413-00-222-2145INTERCHANGEABLE
DRILLING MACHINE,UPRIGHT
3455-00-222-4064INTERCHANGEABLE
FILE,ROTARY
5305-00-227-9003INTERCHANGEABLE
SCREW,EXTERNALLY RELIEVED BODY
5015-7
5330-00-292-1622INTERCHANGEABLE
SEAL,PLAIN ENCASED
12687
1650-00-337-5075INTERCHANGEABLE
SLEEVE,SELECTOR
50157
1560-01-181-4228INTERCHANGEABLE
POLYAMIDE BALL INSTALLATION
50157
4720-01-437-2276INTERCHANGEABLE
HOSE ASSEMBLY,NONMETALLIC
4M2T-4FF0RX-4FF0RX-171
1005-01-487-2442INTERCHANGEABLE
BOLT,BREECH
50157
5310-01-708-0880INTERCHANGEABLE
WASHER,FLAT
50157

Frequently Asked Questions

What is NSN 4730-00-245-7865?

NSN 4730-00-245-7865 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 4730-00-245-7865?

NSN 4730-00-245-7865 has 1 cross-referenced part number: 50157 (Spirax Sarco Inc Dba Spirax Sarco).

What NSN replaces 4730-00-245-7865?

There are 10 known substitutes for 4730-00-245-7865: 5950-00-146-4814, 3413-00-222-2145, 3455-00-222-4064 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 50157?

Key specifications for 50157: End Item Identification: KBN USNS HENRY J. KAISER CLASS TAO. 1 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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