PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

ST17 3/4IN. NPTSensor Chamber Assembly,steam Tr

Spirax Sarco Inc Dba Spirax Sarco · NSN 4730-01-313-8766 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-01-313-8766 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-313-8766. Primary manufacturer part number: ST17 3/4IN. NPT.
Features
  • Sensor Chamber Assembly,steam Tr — FSC 4730
  • General Characteristics Item Description: DUCTILE IRON SENSOR CHAMBER; STAINLESS STEEL 303 SENSOR; STAINLESS STEEL 304 SENSOR GASKET; 464PSI AND 464F 32BAR AT 239C WORKING CONDITIONS; INSTALLED IMMEDIATELY UPSTREAM OF THE TRAP; BLANKING PLUG OPTIONAL EXTRA; DESIGNED TO INDICATE IF STEAM TRAP IS LEAKING STEAM
  • 2 verified cross-references
  • Primary manufacturer: Spirax Sarco Inc Dba Spirax Sarco
Applications
  • Plumbing and fluid distribution
  • Industrial piping systems
  • Fuel and lubricant distribution
General Description

The Sensor Chamber Assembly,steam Tr, cataloged under National Stock Number 4730-01-313-8766, 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 1 verified specification, 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. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4730-01-313-8766
Primary Part NumberST17 3/4IN. NPT
Item NameSensor Chamber Assembly,steam Tr
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerSpirax Sarco Inc Dba Spirax Sarco
StatusACTIVE
General Characteristics Item DescriptionDUCTILE IRON SENSOR CHAMBER; STAINLESS STEEL 303 SENSOR; STAINLESS STEEL 304 SENSOR GASKET; 464PSI AND 464F 32BAR AT 239C WORKING CONDITIONS; INSTALLED IMMEDIATELY UPSTREAM OF THE TRAP; BLANKING PLUG OPTIONAL EXTRA; DESIGNED TO INDICATE IF STEAM TRAP IS LEAKING STEAM
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
4330-01-328-67061122-30 INTERCHANGEABLE
Stand,separator,oil
Separation & Recovery Systems Inc
Cross-Reference Index
Part NumberManufacturer
ST17 3/4IN. NPT PRIMARY Spirax Sarco Inc Dba Spirax Sarco (USA)
ST17 Spirax Sarco Inc Dba Spirax Sarco (USA)
Related Parts
4330-01-328-6706INTERCHANGEABLE
STAND,SEPARATOR,OIL
1122-30

Frequently Asked Questions

What is NSN 4730-01-313-8766?

NSN 4730-01-313-8766 is a Sensor Chamber Assembly,steam Tr, 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 4730-01-313-8766?

NSN 4730-01-313-8766 has 2 cross-referenced part numbers: ST17 3/4IN. NPT (Spirax Sarco Inc Dba Spirax Sarco), ST17 (Spirax Sarco Inc Dba Spirax Sarco).

What NSN replaces 4730-01-313-8766?

There is 1 known substitute for 4730-01-313-8766: 4330-01-328-6706. Verify interchangeability with system specifications before substitution.

What are the specifications of ST17 3/4IN. NPT?

Key specifications for ST17 3/4IN. NPT: General Characteristics Item Description: DUCTILE IRON SENSOR CHAMBER; STAINLESS STEEL 303 SENSOR; STAINLESS STEEL 304 SENSOR GASKET; 464PSI AND 464F 32BAR AT 239C WORKING CONDITIONS; INSTALLED IMMEDIATELY UPSTREAM OF THE TRAP; BLANKING PLUG OPTIONAL EXTRA; DESIGNED TO INDICATE IF STEAM TRAP IS LEAKING STEAM. 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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