The Adapter,straight,tube to Boss, cataloged under National Stock Number 4730-01-304-7552, 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 Caprice Engineering Company, Inc.. Government technical data includes 13 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-304-7552 |
| Primary Part Number | 3018T55P01 |
| Item Name | Adapter,straight,tube to Boss |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Caprice Engineering Company, Inc. |
| Status | ACTIVE |
| Connection Style | EXTERNAL SEAT FOR GASKET SEAL (BOSS) SECOND END |
| Connection Style | PLAIN (TUBE) FIRST END |
| Nominal Overall Length | 0.805 INCHES IN |
| Connection Type | THREADED EXTERNAL BOSS SECOND END |
| Connection Type | THREADED INTERNAL TUBE FIRST END |
| Nominal Outside Diameter Tube Accommodated | 0.250 INCHES FIRST END IN |
| Nominal Thread Size | 0.4375 INCHES FIRST END IN |
| Nominal Thread Size | 0.4375 INCHES SECOND END IN |
| Thread Class | 3A SECOND END A |
| Thread Class | 3B FIRST END |
| Material | STEEL COMP 347 OR STEEL COMP 304L OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) SECOND END |
| Thread Series Designator | UNF 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 |
|---|---|
| 3018T55P01 PRIMARY | Caprice Engineering Company, Inc. (USA) |
| 3018T55P01 PRIMARY | B-C-D Metal Products, Inc (USA) |
| Reference | Meaning |
|---|---|
| 3018T55P01 | 3/2 Design control — primary reference U.S. Government activity |
| 3018T55 | D/9 Drawing number reference only U.S. Government activity |
NSN 4730-01-304-7552 is a Adapter,straight,tube to Boss, manufactured by Caprice Engineering Company, Inc., classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-304-7552 has 2 manufacturer part numbers on file: 3018T55P01 (Caprice Engineering Company, Inc.), 3018T55P01 (B-C-D Metal Products, Inc).
Key specifications for 3018T55P01: Connection Style: EXTERNAL SEAT FOR GASKET SEAL (BOSS) SECOND END; Connection Style: PLAIN (TUBE) FIRST END; Nominal Overall Length: 0.805 INCHES IN; Connection Type: THREADED EXTERNAL BOSS SECOND END. 13 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.