PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

AT3-4INStrainer,sediment

Spirax Sarco Inc Dba Spirax Sarco · NSN 4730-00-853-1655 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-853-1655 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-853-1655. Primary manufacturer part number: AT3-4IN.
Features
  • Strainer,sediment — FSC 4730
  • First Intake Nominal Thread Size: 0.750 INCHES IN
  • First Intake Thread Series Designator: NPT
  • Media for Which Designed: FUEL/OIL, HYDROCARBON AND GAS AND WATER
  • First Intake Thread Direction: RIGHT-HAND
  • First Discharge Connection Relationship to Intake Connection: IDENTICAL TO FIRST INTAKE CONNECTION
  • Style Designator: Y STRAINER W/THREADED COVER
  • Filtering Media Design: PERFORATED SINGLE FILTERING MEDIA RESPONSE
Applications
  • Applications requiring Copper Alloy Screening construction
General Description

The Strainer,sediment, cataloged under National Stock Number 4730-00-853-1655, 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 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference 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: Cancelled.

Technical Specifications
ParameterValue
NSN4730-00-853-1655
Primary Part NumberAT3-4IN
Item NameStrainer,sediment
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerSpirax Sarco Inc Dba Spirax Sarco
StatusCANCELLED
First Intake Nominal Thread Size0.750 INCHES IN
First Intake Thread Series DesignatorNPT
Media for Which DesignedFUEL/OIL, HYDROCARBON AND GAS AND WATER
First Intake Thread DirectionRIGHT-HAND
First Discharge Connection Relationship to Intake ConnectionIDENTICAL TO FIRST INTAKE CONNECTION
Style DesignatorY STRAINER W/THREADED COVER
Filtering Media DesignPERFORATED SINGLE FILTERING MEDIA RESPONSE
First Intake Connection TypeTHREADED INTERNAL PIPE LINE
MaterialCOPPER ALLOY SCREENING
MaterialIRON CAST BODY
Perforation Quantity625.0 PER SQUARE INCH
Operating Pressure400.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS
Temp Rating425.0 FAHRENHEIT NOMINAL DEGF
Perforation Diameter0.016 INCHES NOMINAL IN
Mounting TypeINLET CONNECTION AND OUTLET CONNECTION LINE
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 1
4730-01-157-328817138 INTERCHANGEABLE
Strainer,sediment
Itw Food Equipment Group Llc Dba Gaylord Industries
Cross-Reference Index
Part NumberManufacturer
AT3-4IN PRIMARY Spirax Sarco Inc Dba Spirax Sarco (USA)
Related Parts
4730-01-157-3288INTERCHANGEABLE
STRAINER,SEDIMENT
17138

Frequently Asked Questions

What is NSN 4730-00-853-1655?

NSN 4730-00-853-1655 is a Strainer,sediment, 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 4730-00-853-1655?

NSN 4730-00-853-1655 has 1 cross-referenced part number: AT3-4IN (Spirax Sarco Inc Dba Spirax Sarco).

What NSN replaces 4730-00-853-1655?

There is 1 known substitute for 4730-00-853-1655: 4730-01-157-3288. Verify interchangeability with system specifications before substitution.

What are the specifications of AT3-4IN?

Key specifications for AT3-4IN: First Intake Nominal Thread Size: 0.750 INCHES IN; First Intake Thread Series Designator: NPT; Media for Which Designed: FUEL/OIL, HYDROCARBON AND GAS AND WATER; First Intake Thread Direction: RIGHT-HAND. 15 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4730-00-853-1655 still in active supply?

NSN 4730-00-853-1655 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.
PartsTable Design LLC · partstable.com