The Nipple,tube, cataloged under National Stock Number 4730-00-042-1008, 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 Div Defense. 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-00-042-1008 |
| Primary Part Number | 7M43-3C |
| Item Name | Nipple,tube |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| Material | STEEL COMP 302 OR STEEL COMP 303 OR STEEL COMP 304 OR STEEL COMP 316 OR STEEL COMP 321 OVERALL |
| Thread Series Designator | UNF CENTER BULKHEAD |
| Thread Series Designator | UNF ALL ENDS |
| Connection Style | FLARED (TUBE) ALL ENDS |
| Nominal Overall Length | 2.500 INCHES IN |
| Style Designator | FLARED W/ BULKHEAD THREAD |
| Material Document and Classification | 66 FED STD ALL MATERIAL RESPONSES OR AISI/SAE ASSN STD ALL MATERIAL RESPONSES OVERALL |
| Nominal Outside Diameter Tube Accommodated | 0.188 INCHES ALL ENDS IN |
| Nominal Thread Size | 0.375 INCHES CENTER BULKHEAD IN |
| Nominal Thread Size | 0.375 INCHES ALL ENDS IN |
| Seat Angle | 37.0 DEGREES ALL ENDS |
| Surface Treatment | PASSIVATE INSIDE |
| Surface Treatment | PASSIVATE OUTSIDE |
| Thread Class | 3A CENTER BULKHEAD A |
| Thread Class | 3A ALL ENDS A |
| 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 |
|---|---|
| 7M43-3C PRIMARY | The Boeing Company Div Defense (USA) |
NSN 4730-00-042-1008 is a Nipple,tube, manufactured by The Boeing Company Div Defense, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-00-042-1008 has 1 manufacturer part number on file: 7M43-3C (The Boeing Company Div Defense).
Key specifications for 7M43-3C: Material: STEEL COMP 302 OR STEEL COMP 303 OR STEEL COMP 304 OR STEEL COMP 316 OR STEEL COMP 321 OVERALL; Thread Series Designator: UNF CENTER BULKHEAD; Thread Series Designator: UNF ALL ENDS; Connection Style: FLARED (TUBE) ALL ENDS. 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.