The Tee,pipe, cataloged under National Stock Number 4730-01-514-3553, 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 15 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4730-01-514-3553 |
| Item Name | Tee,pipe |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Status | ACTIVE |
| Nominal Pipe Size Accommodated | 1.000 INCHES SECOND END IN |
| Nominal Pipe Size Accommodated | 1.000 INCHES FIRST END IN |
| Nominal Pipe Size Accommodated | 0.750 INCHES THIRD END IN |
| Connection Type | UNTHREADED INTERNAL PIPE FIRST END |
| Connection Type | UNTHREADED INTERNAL PIPE SECOND END |
| Connection Type | THREADED INTERNAL PIPE THIRD END |
| Material Document and Classification | ASTM F 1784 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Leg Length | 1.250 INCHES NOMINAL THIRD END IN |
| Nominal Thread Size | 0.750 INCHES THIRD END IN |
| Specification/standard Data | ASTM F438 PROFESSIONAL/INDUSTRIAL ASSOCIATION SPECIFICATION |
| Maximum Operating Temp | 140.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Media for Which Designed | FLUID SINGLE RESPONSE |
| Thread Quantity Per Inch | 14 THIRD END |
| Material | PLASTIC POLYVINYL CHLORIDE (PVC) OVERALL |
| Thread Series Designator | NPTF 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 |
| Reference | Meaning |
|---|---|
| ATSM F438 | 5/1 Secondary reference U.S. Government activity |
| 402-131 | 3/9 Design control — primary reference Spears Manufacturing Co. |
NSN 4730-01-514-3553 is a Tee,pipe, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 1010-01-654-7346. Verify interchangeability with system specifications before substitution.
Key specifications for 4730-01-514-3553: Nominal Pipe Size Accommodated: 1.000 INCHES SECOND END IN; Nominal Pipe Size Accommodated: 1.000 INCHES FIRST END IN; Nominal Pipe Size Accommodated: 0.750 INCHES THIRD END IN; Connection Type: UNTHREADED INTERNAL PIPE FIRST 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.