The Plug,pipe, cataloged under National Stock Number 4730-01-669-2667, 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 Teledyne Instruments, Inc. Dba Teledyne Impulse Div Teledyne Impulse, a Business Unit of Teledyne Instruments. The record lists 3 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 6 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Plug,pipe |
| FSC / FSG | 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings (FSG 47) |
| Manufacturers | Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp (CAGE 31442); Teledyne Instruments, Inc. Dba Teledyne Impulse Div Teledyne Impulse, a Business Unit of Teledyne Instruments (CAGE 5CRR5) |
| Parameter | Value |
|---|---|
| NSN | 4730-01-669-2667 |
| Primary Part Number | MHDG-SCP |
| Item Name | Plug,pipe |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Teledyne Instruments, Inc. Dba Teledyne Impulse Div Teledyne Impulse, a Business Unit of Teledyne Instruments |
| 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 |
|---|---|
| PL4G10930 ITEM 053 | Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp (USA) |
| 4G10930 ITEM 053 | Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp (USA) |
| MHDG-SCP PRIMARY | Teledyne Instruments, Inc. Dba Teledyne Impulse Div Teledyne Impulse, a Business Unit of Teledyne Instruments (USA) |
| Reference | Meaning |
|---|---|
| 4G10930 | D/9 Drawing number reference only Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp |
NSN 4730-01-669-2667 is a Plug,pipe, manufactured by Teledyne Instruments, Inc. Dba Teledyne Impulse Div Teledyne Impulse, a Business Unit of Teledyne Instruments, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-669-2667 has 3 manufacturer part numbers on file: PL4G10930 ITEM 053 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp), 4G10930 ITEM 053 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp), MHDG-SCP (Teledyne Instruments, Inc. Dba Teledyne Impulse Div Teledyne Impulse, a Business Unit of Teledyne Instruments).
6 possible matches (shared part number, not a government interchangeability claim): 5305-01-669-3369, 5305-01-669-3376, 5305-01-669-3395. 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.