The Adapter,straight,pipe to Tube, cataloged under National Stock Number 4730-00-451-6044, 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 The Boeing Company. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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.
| Item Name | Adapter,straight,pipe to Tube |
| FSC / FSG | 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings (FSG 47) |
| Manufacturers | The Boeing Company (CAGE 8V613); Swagelok Co (CAGE 3T9T9); Parker-Hannifin Corporation Div Instrumentation Products Division (CAGE 54938); Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok (CAGE 28968) |
| Parameter | Value |
|---|---|
| NSN | 4730-00-451-6044 |
| Primary Part Number | HS5316-0402 |
| Item Name | Adapter,straight,pipe to Tube |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | The Boeing Company |
| Status | ACTIVE |
| 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 |
|---|---|
| HS5316-0402 PRIMARY | The Boeing Company (USA) |
| A-400-1-2 PRIMARY | Swagelok Co (USA) |
| 4MSC2N-A PRIMARY | Parker-Hannifin Corporation Div Instrumentation Products Division (USA) |
| 4CM2A | Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok (USA) |
| Reference | Meaning |
|---|---|
| 029-001460 | 7/2 Vendor item drawing reference Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple |
| 4CMKNN2A | C/1 Advisory reference — outside the item-of-supply concept Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok |
| A400-1-2 | C/1 Advisory reference — outside the item-of-supply concept Eaton Aerospace Llc Dba Eaton Inoac Div Fluid & Electrical Distribution |
| 4CM2A | 5/9 Secondary reference J R Douglass Company |
| 533492 | 7/1 Vendor item drawing reference U.S. Government activity |
| 533492-30 | 5/2 Secondary reference U.S. Government activity |
NSN 4730-00-451-6044 is a Adapter,straight,pipe to Tube, manufactured by The Boeing Company, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-00-451-6044 has 4 manufacturer part numbers on file: HS5316-0402 (The Boeing Company), A-400-1-2 (Swagelok Co), 4MSC2N-A (Parker-Hannifin Corporation Div Instrumentation Products Division), 4CM2A (Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok).
1 possible match (shared part number, not a government interchangeability claim): 4730-00-489-8203. Verify interchangeability with system specifications before substitution.
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.