The Tee,tube, cataloged under National Stock Number 4730-00-126-3485, 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 Alter Harry Co the Div of T E C. 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. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-00-126-3485 |
| Primary Part Number | 22798 |
| Item Name | Tee,tube |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Alter Harry Co the Div of T E C |
| Status | ACTIVE |
| Furnished Items and Quantity | 1 CAP |
| Connection Style | SOCKET (TUBE) SECOND END |
| Connection Style | SOCKET (TUBE) FIRST END |
| Connection Style | FLARED (TUBE) THIRD END |
| Nominal Outside Diameter Tube Accommodated | 0.312 INCHES FIRST END IN |
| Nominal Outside Diameter Tube Accommodated | 0.312 INCHES SECOND END IN |
| Nominal Outside Diameter Tube Accommodated | 0.250 INCHES THIRD END IN |
| Leg Length | 0.875 INCHES NOMINAL THIRD END IN |
| Leg Length | 0.647 INCHES NOMINAL FIRST END IN |
| Leg Length | 0.647 INCHES NOMINAL SECOND END IN |
| Nominal Thread Size | 0.438 INCHES THIRD END IN |
| Seat Angle | 45.0 DEGREES THIRD END |
| Thread Class | 2A THIRD END A |
| Material | COPPER ALLOY OVERALL |
| Thread Series Designator | UNF THIRD END |
| 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 |
|---|---|
| 22798 PRIMARY | Alter Harry Co the Div of T E C (USA) |
NSN 4730-00-126-3485 is a Tee,tube, manufactured by Alter Harry Co the Div of T E C, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-00-126-3485 has 1 manufacturer part number on file: 22798 (Alter Harry Co the Div of T E C).
3 possible matches (shared part number, not a government interchangeability claim): 3040-00-863-3723, 5340-01-173-6967, 3040-01-564-8933. Verify interchangeability with system specifications before substitution.
Key specifications for 22798: Furnished Items and Quantity: 1 CAP; Connection Style: SOCKET (TUBE) SECOND END; Connection Style: SOCKET (TUBE) FIRST END; Connection Style: FLARED (TUBE) THIRD END. 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.