The Strainer,sediment, cataloged under National Stock Number 4730-01-424-0902, is classified within Federal Supply Class 4730 (Hose, Pipe, Tube, Lubrication, and Railing Fittings) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is Spirax Sarco Inc Dba Spirax Sarco. Government technical data includes 15 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-424-0902 |
| Primary Part Number | 52081 |
| Item Name | Strainer,sediment |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Spirax Sarco Inc Dba Spirax Sarco |
| Status | ACTIVE |
| Filtering Media Design | MESH SINGLE FILTERING MEDIA RESPONSE |
| Distance From Bottom of Body to Center of Inlet | 2.700 INCHES NOMINAL IN |
| Temp Rating | 750.0 FAHRENHEIT NOMINAL DEGF |
| Mesh Size | 20.0 |
| First Intake Connection Type | SOCKET WELDING LINE |
| Style Designator | Y STRAINER W/BLOW-OFF PLUG |
| Material Document and Classification | ASTM A216 WCB ASSN STD SINGLE MATERIAL RESPONSE BODY |
| Body Length | 3.400 INCHES NOMINAL IN |
| First Intake Nominal Inside Diameter | 0.500 INCHES IN |
| First Discharge Connection Relationship to Intake Connection | IDENTICAL TO FIRST INTAKE CONNECTION |
| Media for Which Designed | ANY ACCEPTABLE |
| Material | STEEL BODY |
| Material | STEEL COMP 304 FILTERING MEDIUM |
| Mounting Type | INLET CONNECTION AND OUTLET CONNECTION LINE |
| Wire Diameter | 0.014 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| CT-1/2 IN.SW | Spirax Sarco Inc Dba Spirax Sarco (USA) |
| 52081 PRIMARY | Spirax Sarco Inc Dba Spirax Sarco (USA) |
NSN 4730-01-424-0902 is a Strainer,sediment, manufactured by Spirax Sarco Inc Dba Spirax Sarco, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-424-0902 has 2 manufacturer part numbers on file: CT-1/2 IN.SW (Spirax Sarco Inc Dba Spirax Sarco), 52081 (Spirax Sarco Inc Dba Spirax Sarco).
2 possible matches (shared part number, not a government interchangeability claim): 5331-01-616-7924, 5340-01-664-6384. Verify interchangeability with system specifications before substitution.
Key specifications for 52081: Filtering Media Design: MESH SINGLE FILTERING MEDIA RESPONSE; Distance From Bottom of Body to Center of Inlet: 2.700 INCHES NOMINAL IN; Temp Rating: 750.0 FAHRENHEIT NOMINAL DEGF; Mesh Size: 20.0. 15 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.