The Adapter,straight,pipe to Tube, cataloged under National Stock Number 4730-00-555-3703, 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 Us Army Aviation and Missile Command. Government technical data includes 15 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-00-555-3703 |
| Primary Part Number | 8894245 |
| Item Name | Adapter,straight,pipe to Tube |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Us Army Aviation and Missile Command |
| Status | ACTIVE |
| Furnished Items and Quantity | 1 SHORT COUPLING NUT AND 1 FERRULE SLEEVE |
| Nominal Pipe Size Accommodated | 0.250 INCHES SECOND END IN |
| Connection Style | SOCKET W/ FLARE (TUBE) SECOND END |
| Seat Nominal Radius | 0.062 INCHES FIRST END IN |
| Nominal Overall Length | 1.031 INCHES IN |
| Connection Type | THREADED EXTERNAL TUBE FIRST END |
| Connection Type | THREADED INTERNAL PIPE SECOND END |
| Nominal Outside Diameter Tube Accommodated | 0.250 INCHES FIRST END IN |
| Nominal Thread Size | 0.438 INCHES FIRST END IN |
| Nominal Thread Size | 0.250 INCHES SECOND END IN |
| Thread Class | 2A FIRST END A |
| Thread Quantity Per Inch | 24 FIRST END |
| Material | COPPER ALLOY OVERALL |
| Thread Series Designator | NPTF SECOND END |
| 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 |
|---|---|
| 8894245 PRIMARY | Us Army Aviation and Missile Command (USA) |
| Reference | Meaning |
|---|---|
| 66F | 5/9 Secondary reference Imperial |
NSN 4730-00-555-3703 is a Adapter,straight,pipe to Tube, manufactured by Us Army Aviation and Missile Command, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-00-555-3703 has 1 manufacturer part number on file: 8894245 (Us Army Aviation and Missile Command).
1 possible match (shared part number, not a government interchangeability claim): 4730-00-814-4448. Verify interchangeability with system specifications before substitution.
Key specifications for 8894245: Furnished Items and Quantity: 1 SHORT COUPLING NUT AND 1 FERRULE SLEEVE; Nominal Pipe Size Accommodated: 0.250 INCHES SECOND END IN; Connection Style: SOCKET W/ FLARE (TUBE) SECOND END; Seat Nominal Radius: 0.062 INCHES FIRST END 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.