The Tee,pipe, cataloged under National Stock Number 4730-01-481-5455, 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 Guild Associates Inc. Government technical data includes 19 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 4730-01-481-5455 |
| Primary Part Number | 863-000343 |
| Item Name | Tee,pipe |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Guild Associates Inc |
| Status | ACTIVE |
| Flange Shape | ROUND ALL ENDS |
| Nominal Pipe Size Accommodated | 0.750 INCHES ALL ENDS IN |
| Flange Face Design | PLAIN ALL ENDS |
| Connection Style | PLAIN (PIPE) ALL ENDS |
| Nominal Length | 2.360 INCHES ALL ENDS IN |
| Connection Type | THREADED INTERNAL PIPE ALL ENDS |
| Material Document and Classification | ANSI/ASME B16.15-1985 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Operating Pressure | 125.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Leg Length | 1.180 INCHES NOMINAL ALL ENDS IN |
| Specification/standard Data | 80204-ANSI/ASME B15.15-1985M CLASS 125 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD AND 80204-ANSI/ASME B1.20.1-1985 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| Sweep Type | SHORT |
| Maximum Operating Temp | 400.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Nominal Outside Diameter | 1.420 INCHES ALL ENDS IN |
| Media for Which Designed | STEAM SECOND RESPONSE |
| Media for Which Designed | AIR FIRST RESPONSE |
| Thread Quantity Per Inch | 14 ALL ENDS |
| Material | COPPER ALLOY 836 OVERALL |
| Thread Series Designator | NPT ALL ENDS |
| Nominal Thickness | 0.230 INCHES ALL ENDS IN |
| 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 |
|---|---|
| 4429K254 | Mcmaster-Carr Supply Co (USA) |
| 863-000343 PRIMARY | Guild Associates Inc (USA) |
| Reference | Meaning |
|---|---|
| ANSI/ASME B1.20.1-1983 | 5/1 Secondary reference U.S. Government activity |
| ANSI/ASME B16.15-1985, CLASS 125 | 5/1 Secondary reference U.S. Government activity |
NSN 4730-01-481-5455 is a Tee,pipe, manufactured by Guild Associates Inc, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-481-5455 has 2 manufacturer part numbers on file: 4429K254 (Mcmaster-Carr Supply Co), 863-000343 (Guild Associates Inc).
2 possible matches (shared part number, not a government interchangeability claim): 4730-01-515-3882, 4730-01-515-4059. Verify interchangeability with system specifications before substitution.
Key specifications for 863-000343: Flange Shape: ROUND ALL ENDS; Nominal Pipe Size Accommodated: 0.750 INCHES ALL ENDS IN; Flange Face Design: PLAIN ALL ENDS; Connection Style: PLAIN (PIPE) ALL ENDS. 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.