The Coupling,tube, cataloged under National Stock Number 4730-01-297-4668, 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 Raytheon Company Div Rmd Strategic. Government technical data includes 17 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 4730-01-297-4668 |
| Primary Part Number | 716534-3 |
| Item Name | Coupling,tube |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Raytheon Company Div Rmd Strategic |
| Status | ACTIVE |
| Surface Treatment Document and Classification | MIL-S-5002 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Connection Style | SOCKET (TUBE) SECOND END |
| Connection Style | GASKET SEAL (TUBE) FIRST END |
| Tubing Wall Nominal Thickness for Which Designed | 0.091 INCHES SECOND END IN |
| Nominal Overall Length | 0.810 INCHES IN |
| Connection Type | THREADED EXTERNAL TUBE FIRST END |
| Connection Type | UNTHREADED INTERNAL TUBE SECOND END |
| Style Designator | RIGID, SHORT CENTER WRENCHING FACILITY |
| Material Document and Classification | QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Outside Diameter Tube Accommodated | 0.375 INCHES SECOND END IN |
| Nominal Outside Diameter Tube Accommodated | 0.375 INCHES FIRST END IN |
| Nominal Thread Size | 0.688 INCHES FIRST END IN |
| Surface Treatment | PASSIVATE OVERALL |
| Thread Class | 3A FIRST END A |
| Thread Quantity Per Inch | 16 FIRST END |
| Material | STEEL COMP 316L OVERALL |
| Thread Series Designator | UNS FIRST END |
| 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 |
|---|---|
| 716534-3 | Raytheon Company Div Rmd Strategic (USA) |
| Reference | Meaning |
|---|---|
| H849T-6-SS(316L) | 3/2 Design control — primary reference U.S. Government activity |
| H849T-6-SS (316 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| 716534 | D/9 Drawing number reference only Raytheon Company Div Rmd Strategic |
NSN 4730-01-297-4668 is a Coupling,tube, manufactured by Raytheon Company Div Rmd Strategic, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-297-4668 has 1 manufacturer part number on file: 716534-3 (Raytheon Company Div Rmd Strategic).
Key specifications for 716534-3: Surface Treatment Document and Classification: MIL-S-5002 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL; Connection Style: SOCKET (TUBE) SECOND END; Connection Style: GASKET SEAL (TUBE) FIRST END; Tubing Wall Nominal Thickness for Which Designed: 0.091 INCHES SECOND END IN. 17 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.