The Tee,tube to Boss, cataloged under National Stock Number 4730-00-936-2158, is classified within Federal Supply Class 4730 (Hose, Pipe, Tube, Lubrication, and Railing Fittings) of the Pipe, Tubing, Hose, and Fittings group. Government technical data includes 20 specifications, cited from the U.S. Government catalog. 9 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-00-936-2158 |
| Item Name | Tee,tube to Boss |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Status | ACTIVE |
| Furnished Items and Quantity | 1 FLAT WASHER AND 1 LOCK WASHER AND 1 PREFORMED PACKING |
| Connection Style | EXTERNAL SEAT FOR GASKET SEAL (BOSS) SECOND END |
| Connection Style | FLARED (TUBE) FIRST END |
| Connection Style | FLARED (TUBE) THIRD END |
| Connection Type | THREADED EXTERNAL TUBE THIRD END |
| Connection Type | THREADED EXTERNAL TUBE FIRST END |
| Connection Type | THREADED EXTERNAL BOSS SECOND END |
| Nominal Outside Diameter Tube Accommodated | 0.750 INCHES THIRD END IN |
| Nominal Outside Diameter Tube Accommodated | 0.750 INCHES FIRST END IN |
| Leg Length | 1.922 INCHES NOMINAL SECOND END IN |
| Leg Length | 1.625 INCHES NOMINAL FIRST END IN |
| Nominal Thread Size | 1.062 INCHES ALL ENDS IN |
| Seat Angle | 37.0 DEGREES FIRST END |
| Seat Angle | 37.0 DEGREES THIRD END |
| Specification/standard Data | 96906-,S51530 GOVERNMENT STANDARD |
| Surface Treatment | CADMIUM OVERALL |
| Thread Class | 2A ALL ENDS A |
| Thread Quantity Per Inch | 12 ALL ENDS |
| Material | STEEL OVERALL |
| Thread Series Designator | UN 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 |
| Reference | Meaning |
|---|---|
| 6804-12 | 5/1 Secondary reference Air-Way Manufacturing Company |
| 301SE716 | 5/9 Secondary reference Clark Equipment Co |
| MIL-DTL-18866 | 4/1 Identification reference U.S. Government activity |
| MS51530B12 | 2/2 Government specification standardization U.S. Government activity |
| 12R50XS | 5/1 Secondary reference Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division |
| 12R50XS | 5/9 Secondary reference U.S. Government activity |
| 21K8 | 5/9 Secondary reference Clark Equipment Co |
| LT1-1281 | 5/9 Secondary reference Anthony York Co |
| 12R50XS | 5/9 Secondary reference Parker-Hannifin Corporation Dba Pneutronics Div Corporate Headquarters |
NSN 4730-00-936-2158 is a Tee,tube to Boss, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 5330-01-708-8169. Verify interchangeability with system specifications before substitution.
Key specifications for 4730-00-936-2158: Furnished Items and Quantity: 1 FLAT WASHER AND 1 LOCK WASHER AND 1 PREFORMED PACKING; Connection Style: EXTERNAL SEAT FOR GASKET SEAL (BOSS) SECOND END; Connection Style: FLARED (TUBE) FIRST END; Connection Style: FLARED (TUBE) THIRD END. 20 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.