The Tee,tube, cataloged under National Stock Number 4730-00-925-4638, 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 Northrop Grumman Systems Corporation. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-00-925-4638 |
| Primary Part Number | 123PM40702-1 |
| Item Name | Tee,tube |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Northrop Grumman Systems Corporation |
| Status | ACTIVE |
| Connection Style | FLARED (TUBE) ALL ENDS |
| Connection Style | GASKET SEAL (BOSS) INLET |
| Inlet Location | RIGHT-HAND SIDE SINGLE INLET |
| Connection Type | THREADED EXTERNAL TUBE ALL ENDS |
| Connection Type | THREADED INTERNAL BOSS INLET |
| Material Document and Classification | QQ-A-261/266 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Outside Diameter Tube Accommodated | 0.473 INCHES ALL ENDS IN |
| Nominal Thread Size | 0.562 INCHES INLET IN |
| Nominal Thread Size | 0.562 INCHES ALL ENDS IN |
| Seat Angle | 37.0 DEGREES ALL ENDS |
| Thread Class | 3A ALL ENDS A |
| Thread Class | 2B INLET |
| Material | ALUMINUM ALLOY 2014 OVERALL |
| Thread Series Designator | UNF INLET |
| Thread Series Designator | UNF 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 |
|---|---|
| 123PM40702-1 PRIMARY | Northrop Grumman Systems Corporation (USA) |
| Reference | Meaning |
|---|---|
| 123PM40702-1 | 5/9 Secondary reference Northrop Grumman Systems Corporation |
NSN 4730-00-925-4638 is a Tee,tube, manufactured by Northrop Grumman Systems Corporation, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-00-925-4638 has 1 manufacturer part number on file: 123PM40702-1 (Northrop Grumman Systems Corporation).
Key specifications for 123PM40702-1: Connection Style: FLARED (TUBE) ALL ENDS; Connection Style: GASKET SEAL (BOSS) INLET; Inlet Location: RIGHT-HAND SIDE SINGLE INLET; Connection Type: THREADED EXTERNAL 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.