The Adapter,straight,flange to Tube, cataloged under National Stock Number 4730-01-287-9291, 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 Lockheed Martin Corporation Div Rms. Government technical data includes 11 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-287-9291 |
| Primary Part Number | 346542-000 |
| Item Name | Adapter,straight,flange to Tube |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Lockheed Martin Corporation Div Rms |
| Status | ACTIVE |
| Connection Style | PLAIN (TUBE) FIRST END |
| Nominal Overall Length | 1.140 INCHES IN |
| Connection Type | FLANGE SECOND END |
| Connection Type | THREADED INTERNAL TUBE FIRST END |
| Nominal Outside Diameter Tube Accommodated | 0.125 INCHES FIRST END IN |
| Nominal Thread Size | 0.312 INCHES FIRST END IN |
| Nominal Outside Diameter | 1.102 INCHES SECOND END IN |
| Thread Class | 2A FIRST END A |
| Material | STEEL CORROSION RESISTING OVERALL |
| Thread Series Designator | UNF FIRST END |
| Nominal Thickness | 0.079 INCHES SECOND END 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 |
|---|---|
| 3148303 | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
| 346542-000 PRIMARY | Lockheed Martin Corporation Div Rms (USA) |
| Reference | Meaning |
|---|---|
| 346542-000 | 5/9 Secondary reference Lockheed Martin Corporation Div Rms - Mitchel Field |
NSN 4730-01-287-9291 is a Adapter,straight,flange to Tube, manufactured by Lockheed Martin Corporation Div Rms, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-287-9291 has 2 manufacturer part numbers on file: 3148303 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), 346542-000 (Lockheed Martin Corporation Div Rms).
Key specifications for 346542-000: Connection Style: PLAIN (TUBE) FIRST END; Nominal Overall Length: 1.140 INCHES IN; Connection Type: FLANGE SECOND END; Connection Type: THREADED INTERNAL TUBE FIRST END. 11 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.