The Adapter,straight,tube to Boss, cataloged under National Stock Number 4730-01-184-1847, 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 Swagelok Co. Government technical data includes 15 specifications, cited from the U.S. Government catalog. The record lists 3 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4730-01-184-1847 |
| Primary Part Number | A-400-1-OR |
| Item Name | Adapter,straight,tube to Boss |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Swagelok Co |
| Status | ACTIVE |
| Furnished Items and Quantity | 2 FERRULE SLEEVE AND 1 TUBE COUPLING NUT |
| Connection Style | FLARELESS (TUBE) FIRST END |
| Connection Style | GASKET SEAL (BOSS) SECOND END |
| Nominal Overall Length | 1.218 INCHES IN |
| Connection Type | THREADED EXTERNAL TUBE FIRST END |
| Connection Type | THREADED EXTERNAL BOSS SECOND END |
| Nominal Outside Diameter Tube Accommodated | 0.250 INCHES FIRST END IN |
| Nominal Thread Size | 0.437 INCHES FIRST END IN |
| Nominal Thread Size | 0.437 INCHES SECOND END IN |
| Seat Angle | 20.0 DEGREES FIRST END |
| Thread Class | 2A SECOND END A |
| Thread Class | 2A FIRST END A |
| Material | ALUMINUM OVERALL |
| Thread Series Designator | UNF FIRST END |
| Thread Series Designator | UNF SECOND 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 |
|---|---|
| ST7M459A4 | The Boeing Company Div Defense (USA) |
| A-400-1-OR PRIMARY | Swagelok Co (USA) |
| HS5010-1 | The Boeing Company (USA) |
| Reference | Meaning |
|---|---|
| HS5010-1 | 5/9 Secondary reference Mcdonnell Douglas Helicopter Co Inc |
NSN 4730-01-184-1847 is a Adapter,straight,tube to Boss, manufactured by Swagelok Co, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-184-1847 has 3 manufacturer part numbers on file: ST7M459A4 (The Boeing Company Div Defense), A-400-1-OR (Swagelok Co), HS5010-1 (The Boeing Company).
Key specifications for A-400-1-OR: Furnished Items and Quantity: 2 FERRULE SLEEVE AND 1 TUBE COUPLING NUT; Connection Style: FLARELESS (TUBE) FIRST END; Connection Style: GASKET SEAL (BOSS) SECOND END; Nominal Overall Length: 1.218 INCHES IN. 15 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.