The Nipple,tube, cataloged under National Stock Number 4730-01-152-9195, 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 12 specifications, cited from the U.S. Government catalog. The record lists 5 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-152-9195 |
| Primary Part Number | 7M637BD-12D |
| Item Name | Nipple,tube |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| Surface Treatment Document and Classification | MIL-C-83488,CL 3,TY 2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Connection Style | FLARED (TUBE) ALL ENDS |
| Nominal Overall Length | 2.109 INCHES IN |
| Connection Type | THREADED EXTERNAL TUBE ALL ENDS |
| Style Designator | FLARED W/ CENTER WRENCHING FACILITY |
| Nominal Outside Diameter Tube Accommodated | 0.750 INCHES ALL ENDS IN |
| Nominal Thread Size | 1.062 INCHES ALL ENDS IN |
| Seat Angle | 37.0 DEGREES ALL ENDS |
| Surface Treatment | ALUMINUM OVERALL |
| Thread Class | 3A ALL ENDS A |
| Material | ALUMINUM OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) ALL ENDS |
| 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 |
|---|---|
| 7M637BD-12D | Allan Aircraft Supply Co., Llc Dba Allan Aircraft Supply (USA) |
| 7M637BD-12D | Northrop Grumman Systems Corporation Dba Northrop Grumman Is Div Northrop Grumman Aeronautics Systems (USA) |
| 7M637BD-12D PRIMARY | The Boeing Company Div Defense (USA) |
| 7M637BD-12D | Nelson Aero Space, Inc. (USA) |
| 7M637BD-12D | Sps Technologies, Llc Dba Airdrome Precision Components (USA) |
| Reference | Meaning |
|---|---|
| 10108792 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
| 7M637BD-12D | 5/9 Secondary reference Designed Metal Connections Inc Dba Permaswage Usa Div Permaswage, a Pcc Company |
| 7M637BD-12D | 5/9 Secondary reference Faber Enterprises, Inc. Div Faber Enterprise Inc |
| 7M637 | D/9 Drawing number reference only The Boeing Company Div Defense |
NSN 4730-01-152-9195 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 4730-01-152-9195 has 5 manufacturer part numbers on file: 7M637BD-12D (Allan Aircraft Supply Co., Llc Dba Allan Aircraft Supply), 7M637BD-12D (Northrop Grumman Systems Corporation Dba Northrop Grumman Is Div Northrop Grumman Aeronautics Systems), 7M637BD-12D (The Boeing Company Div Defense), 7M637BD-12D (Nelson Aero Space, Inc.), 7M637BD-12D (Sps Technologies, Llc Dba Airdrome Precision Components).
Key specifications for 7M637BD-12D: Surface Treatment Document and Classification: MIL-C-83488,CL 3,TY 2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL; Connection Style: FLARED (TUBE) ALL ENDS; Nominal Overall Length: 2.109 INCHES IN; Connection Type: THREADED EXTERNAL TUBE ALL ENDS. 12 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.