The Tee,pipe, cataloged under National Stock Number 4730-00-786-4255, 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 12 specifications, cited from the U.S. Government catalog. 10 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-00-786-4255 |
| Item Name | Tee,pipe |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Status | ACTIVE |
| Nominal Pipe Size Accommodated | 0.250 INCHES ALL ENDS IN |
| Connection Style | PLAIN (PIPE) ALL ENDS |
| Connection Type | THREADED INTERNAL PIPE ALL ENDS |
| Material Document and Classification | ASTM A105,GR 2 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Operating Pressure | 2000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Leg Length | 0.812 INCHES NOMINAL ALL ENDS IN |
| Nominal Thread Size | 0.250 INCHES ALL ENDS IN |
| Maximum Operating Temp | 37.8 CELSIUS SINGLE RESPONSE DEGC |
| Nondefinitive Spec/std Data | 1 TYPE AND 1 CLASS |
| Media for Which Designed | WATER-OIL-GAS SINGLE RESPONSE |
| Material | STEEL OVERALL |
| Thread Series Designator | NPT 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 |
|---|---|
| MS14303 | 4/1 Identification reference U.S. Government activity |
| MS14303-1P04 | 2/2 Government specification standardization U.S. Government activity |
| 131A7F2 | 5/9 Secondary reference Ingersoll Rand Co |
| ANSI B16.11 | 5/9 Secondary reference U.S. Government activity |
| MS14303-2ARU | 5/9 Secondary reference U.S. Government activity |
| BM11359-01B01 | 5/9 Secondary reference Demarkus Corp Refrigeration Engineering Corp |
| 131A7F2 | 5/1 Secondary reference Siemens Energy, Inc. Dba Dresser-Rand |
| 131A7F2 | 5/9 Secondary reference U.S. Government activity |
| ASME-B16.11 | 5/1 Secondary reference The American Society of Mechanical Engineers |
| MILP18174 | 5/9 Secondary reference U.S. Government activity |
NSN 4730-00-786-4255 is a Tee,pipe, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
Key specifications for 4730-00-786-4255: Nominal Pipe Size Accommodated: 0.250 INCHES ALL ENDS IN; Connection Style: PLAIN (PIPE) ALL ENDS; Connection Type: THREADED INTERNAL PIPE ALL ENDS; Material Document and Classification: ASTM A105,GR 2 ASSN STD SINGLE MATERIAL RESPONSE OVERALL. 12 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.