The Tee,pipe, cataloged under National Stock Number 4730-01-433-7191, 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 Naval Sea Systems Command. Government technical data includes 6 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4730-01-433-7191 |
| Primary Part Number | CRES CL 316L COND A |
| Item Name | Tee,pipe |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Nominal Pipe Size Accommodated | 0.500 INCHES ALL ENDS IN |
| Connection Style | SOCKET (PIPE) ALL ENDS |
| Connection Type | UNTHREADED INTERNAL PIPE ALL ENDS |
| Leg Length | 1.312 INCHES NOMINAL ALL ENDS IN |
| Pipe Wall Thickness Designation for Which Designed | SCHEDULE 160 ALL ENDS |
| Material | STEEL COMP 316L OVERALL |
| 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 |
|---|---|
| 1/2 IPS SOCKET WELD QQ-S-763 | Naval Sea Systems Command (USA) |
| CRES CL 316L COND A PRIMARY | Naval Sea Systems Command (USA) |
| 516-6294320 ITEM F-6 PRIMARY | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 516-6294320 | D/9 Drawing number reference only Naval Sea Systems Command |
NSN 4730-01-433-7191 is a Tee,pipe, manufactured by Naval Sea Systems Command, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-433-7191 has 3 manufacturer part numbers on file: 1/2 IPS SOCKET WELD QQ-S-763 (Naval Sea Systems Command), CRES CL 316L COND A (Naval Sea Systems Command), 516-6294320 ITEM F-6 (Naval Sea Systems Command).
1 possible match (shared part number, not a government interchangeability claim): 4730-01-433-8300. Verify interchangeability with system specifications before substitution.
Key specifications for CRES CL 316L COND A: Nominal Pipe Size Accommodated: 0.500 INCHES ALL ENDS IN; Connection Style: SOCKET (PIPE) ALL ENDS; Connection Type: UNTHREADED INTERNAL PIPE ALL ENDS; Leg Length: 1.312 INCHES NOMINAL ALL ENDS IN. 6 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.