The Adapter,straight,pipe to Tube, cataloged under National Stock Number 4730-00-375-7690, 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 Salem Manufacturing & Sales Inc Div Salem Manufacturing and Sales Inc. Government technical data includes 9 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-00-375-7690 |
| Primary Part Number | SMS-340-5901-1002651PC5 |
| Item Name | Adapter,straight,pipe to Tube |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Salem Manufacturing & Sales Inc Div Salem Manufacturing and Sales Inc |
| Status | ACTIVE |
| Nominal Pipe Size Accommodated | 0.750 INCHES SECOND END IN |
| Connection Style | SOCKET (PIPE) SECOND END |
| Connection Style | SOCKET (TUBE) FIRST END |
| Nominal Overall Length | 1.594 INCHES IN |
| Connection Type | UNTHREADED INTERNAL TUBE FIRST END |
| Connection Type | UNTHREADED INTERNAL PIPE SECOND END |
| Material Document and Classification | MIL-B-994,COMP B,1/2 HARD MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Outside Diameter Tube Accommodated | 1.375 INCHES FIRST END IN |
| Material | COPPER ALLOY 482 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 |
|---|---|
| SMS-340-5901-1002651PC5 PRIMARY | Salem Manufacturing & Sales Inc Div Salem Manufacturing and Sales Inc (USA) |
| Reference | Meaning |
|---|---|
| SS340-S5901-1002651 | D/9 Drawing number reference only U.S. Government activity |
| 340-5901-1002651PC5 | 3/2 Design control — primary reference U.S. Government activity |
| 3864-191 | D/9 Drawing number reference only U.S. Government activity |
| 3864-191PC5 | 5/2 Secondary reference U.S. Government activity |
NSN 4730-00-375-7690 is a Adapter,straight,pipe to Tube, manufactured by Salem Manufacturing & Sales Inc Div Salem Manufacturing and Sales Inc, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-00-375-7690 has 1 manufacturer part number on file: SMS-340-5901-1002651PC5 (Salem Manufacturing & Sales Inc Div Salem Manufacturing and Sales Inc).
Key specifications for SMS-340-5901-1002651PC5: Nominal Pipe Size Accommodated: 0.750 INCHES SECOND END IN; Connection Style: SOCKET (PIPE) SECOND END; Connection Style: SOCKET (TUBE) FIRST END; Nominal Overall Length: 1.594 INCHES IN. 9 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.