The Tee,pipe, cataloged under National Stock Number 4730-01-532-9638, 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 Bec Systems Llc Dba Bec Machine Products. Government technical data includes 7 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-532-9638 |
| Primary Part Number | 77130600 |
| Item Name | Tee,pipe |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Bec Systems Llc Dba Bec Machine Products |
| Status | ACTIVE |
| Nominal Pipe Size Accommodated | 4.000 INCHES ALL ENDS IN |
| Connection Style | SOCKET (PIPE) ALL ENDS |
| Connection Type | UNTHREADED INTERNAL PIPE ALL ENDS |
| Leg Length | 6.940 INCHES NOMINAL FIRST END IN |
| Leg Length | 6.940 INCHES NOMINAL THIRD END IN |
| Pipe Wall Thickness Designation for Which Designed | STANDARD ALL ENDS |
| Material | COPPER ALLOY 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 |
|---|---|
| 77130600 PRIMARY | Bec Systems Llc Dba Bec Machine Products (USA) |
| Reference | Meaning |
|---|---|
| 208-7526274ITEMF-66 | D/9 Drawing number reference only Huntington Ingalls Inc Div Newport News Shipbuilding |
| 77130600 | 5/9 Secondary reference W & O Supply Inc |
NSN 4730-01-532-9638 is a Tee,pipe, manufactured by Bec Systems Llc Dba Bec Machine Products, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-532-9638 has 1 manufacturer part number on file: 77130600 (Bec Systems Llc Dba Bec Machine Products).
Key specifications for 77130600: Nominal Pipe Size Accommodated: 4.000 INCHES ALL ENDS IN; Connection Style: SOCKET (PIPE) ALL ENDS; Connection Type: UNTHREADED INTERNAL PIPE ALL ENDS; Leg Length: 6.940 INCHES NOMINAL FIRST END IN. 7 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.