The Coupling,pipe, cataloged under National Stock Number 4730-01-440-3741, 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 Thermosealed Castings Ltdlokringtechnology. Government technical data includes 5 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-440-3741 |
| Primary Part Number | SS-3300-CPL-P24 |
| Item Name | Coupling,pipe |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Thermosealed Castings Ltdlokringtechnology |
| Status | ACTIVE |
| Nominal Pipe Size Accommodated | 1.500 INCHES ALL ENDS IN |
| Connection Style | SOCKET (PIPE) ALL ENDS |
| Connection Type | UNTHREADED INTERNAL PIPE ALL ENDS |
| Material Document and Classification | ASTM-A312 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Material | STEEL COMP 316L OVERALL |
| 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 |
|---|---|
| SS-3300-CPL-P24 | Thermosealed Castings Ltdlokringtechnology (CAN) |
| SS-3300-CPL-P24 | Lokring Mid-Atlantic, Inc. Dba Lokring Mid-Atlantic Inc (USA) |
| Reference | Meaning |
|---|---|
| SS-3000-CPL-P24 | 3/9 Design control — primary reference Lokring Technology, Llc |
| SS-3300-CPL-P24 | 5/9 Secondary reference Lokring Technology, Llc |
NSN 4730-01-440-3741 is a Coupling,pipe, manufactured by Thermosealed Castings Ltdlokringtechnology, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-440-3741 has 2 manufacturer part numbers on file: SS-3300-CPL-P24 (Thermosealed Castings Ltdlokringtechnology), SS-3300-CPL-P24 (Lokring Mid-Atlantic, Inc. Dba Lokring Mid-Atlantic Inc).
Key specifications for SS-3300-CPL-P24: Nominal Pipe Size Accommodated: 1.500 INCHES ALL ENDS IN; Connection Style: SOCKET (PIPE) ALL ENDS; Connection Type: UNTHREADED INTERNAL PIPE ALL ENDS; Material Document and Classification: ASTM-A312 ASSN STD SINGLE MATERIAL RESPONSE OVERALL. 5 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.