The Strainer,sediment, cataloged under National Stock Number 4730-01-115-1517, 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 13 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-115-1517 |
| Primary Part Number | 51995BT20 |
| 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 | 5.688 INCHES NOMINAL IN |
| Mesh Size | 20.0 |
| First Intake Connection Type | INTERNAL SOLDER LINE |
| Style Designator | Y STRAINER W/THREADED COVER |
| Body Length | 6.375 INCHES NOMINAL IN |
| First Intake Nominal Inside Diameter | 2.000 INCHES IN |
| First Discharge Connection Relationship to Intake Connection | IDENTICAL TO FIRST INTAKE CONNECTION |
| Media for Which Designed | ANY ACCEPTABLE |
| Material | COPPER ALLOY BODY |
| Material | STEEL CORROSION RESISTING SCREENING |
| 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 |
|---|---|
| 51995BT20 PRIMARY | Spirax Sarco Inc Dba Spirax Sarco (USA) |
| Reference | Meaning |
|---|---|
| TYPEBT20MESH | C/1 Advisory reference — outside the item-of-supply concept Spirax Sarco Inc Dba Spirax Sarco |
| BT20 | 5/9 Secondary reference Spirax Sarco Inc Dba Spirax Sarco |
| 31B4-106 | 1/2 Source control — Government-approved source U.S. Government activity |
NSN 4730-01-115-1517 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 4730-01-115-1517 has 1 manufacturer part number on file: 51995BT20 (Spirax Sarco Inc Dba Spirax Sarco).
Key specifications for 51995BT20: Filtering Media Design: MESH SINGLE FILTERING MEDIA RESPONSE; Distance From Bottom of Body to Center of Inlet: 5.688 INCHES NOMINAL IN; Mesh Size: 20.0; First Intake Connection Type: INTERNAL SOLDER LINE. 13 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.