The Tee,tube, cataloged under National Stock Number 4730-01-384-8898, 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 Precision Aircraft Machining Company, Inc. Dba Pamco Div Precision Aircraft Machining Co Dba Pamco. Government technical data includes 19 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-384-8898 |
| Primary Part Number | US2504D12 |
| Item Name | Tee,tube |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Precision Aircraft Machining Company, Inc. Dba Pamco Div Precision Aircraft Machining Co Dba Pamco |
| Status | ACTIVE |
| Connection Style | FLARED (TUBE) SECOND END |
| Connection Style | SWIVEL NUT, FLARE (TUBE) STYLE 3 OPTIONAL END FIRST END |
| Connection Style | FLARED (TUBE) THIRD END |
| Connection Type | THREADED EXTERNAL TUBE THIRD END |
| Connection Type | THREADED EXTERNAL TUBE SECOND END |
| Connection Type | THREADED INTERNAL TUBE FIRST END |
| Nominal Outside Diameter Tube Accommodated | 0.750 INCHES ALL ENDS IN |
| Leg Length | 1.625 INCHES NOMINAL SECOND END IN |
| Leg Length | 1.625 INCHES NOMINAL THIRD END IN |
| Leg Length | 1.320 INCHES NOMINAL FIRST END IN |
| Nominal Thread Size | 1.062 INCHES ALL ENDS IN |
| Seat Angle | 37.0 DEGREES ALL ENDS |
| Surface Treatment | ANODIZE OVERALL |
| Thread Class | 3A SECOND END A |
| Thread Class | 3A THIRD END A |
| Thread Class | 3B FIRST END |
| Thread Quantity Per Inch | 12 ALL ENDS |
| Material | ALUMINUM ALLOY 2014 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT (UNJ) 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 |
|---|---|
| US2504D12 PRIMARY | Precision Aircraft Machining Company, Inc. Dba Pamco Div Precision Aircraft Machining Co Dba Pamco (USA) |
| AP7526D12 | Sps Technologies, Llc Dba Airdrome Precision Components (USA) |
| AFP1543D12 | Aerofit, Llc (USA) |
| Reference | Meaning |
|---|---|
| AS4841 | 5/9 Secondary reference U.S. Government activity |
| AA7030-12DA | 5/9 Secondary reference Allan Aircraft Supply Co., Llc Dba Allan Aircraft Supply |
| US2504-12D | 3/9 Design control — primary reference United Supply Co Inc |
| US2504-12D | 5/9 Secondary reference Precision Aircraft Machining Company, Inc. Dba Pamco Div Precision Aircraft Machining Co Dba Pamco |
| 7D0007D12 | D/9 Drawing number reference only U.S. Government activity |
| AS4841 | 5/1 Secondary reference Sae International Dba Sae International |
NSN 4730-01-384-8898 is a Tee,tube, manufactured by Precision Aircraft Machining Company, Inc. Dba Pamco Div Precision Aircraft Machining Co Dba Pamco, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-384-8898 has 3 manufacturer part numbers on file: US2504D12 (Precision Aircraft Machining Company, Inc. Dba Pamco Div Precision Aircraft Machining Co Dba Pamco), AP7526D12 (Sps Technologies, Llc Dba Airdrome Precision Components), AFP1543D12 (Aerofit, Llc).
Key specifications for US2504D12: Connection Style: FLARED (TUBE) SECOND END; Connection Style: SWIVEL NUT, FLARE (TUBE) STYLE 3 OPTIONAL END FIRST END; Connection Style: FLARED (TUBE) THIRD END; Connection Type: THREADED EXTERNAL TUBE THIRD END. 19 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.