The Cross,pipe, cataloged under National Stock Number 4730-00-026-6601, 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 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. Government technical data includes 12 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 4730-00-026-6601 |
| Primary Part Number | 1339250PC1 |
| Item Name | Cross,pipe |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| Status | ACTIVE |
| Surface Treatment Document and Classification | MIL-C-16232,TY I MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Connection Style | PLAIN (PIPE) ALL ENDS |
| Connection Style | EXTERNAL SEAT FOR GASKET SEAL (BOSS) INLET |
| Inlet Location | LEFT-HAND SIDE SINGLE INLET |
| Leg Length | 0.625 INCHES NOMINAL ALL ENDS IN |
| Leg Length | 0.875 INCHES NOMINAL INLET IN |
| Nominal Thread Size | 0.250 INCHES ALL ENDS IN |
| Nominal Thread Size | 0.375 INCHES INLET IN |
| Thread Class | 3A INLET A |
| Material | STEEL OVERALL |
| Thread Series Designator | UNF INLET |
| 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 |
| Part Number | Manufacturer |
|---|---|
| 1339250PC1 PRIMARY | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
| 2N5566 | British Sarozal Ltd (GBR) |
| Reference | Meaning |
|---|---|
| 339250 | D/9 Drawing number reference only Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
NSN 4730-00-026-6601 is a Cross,pipe, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-00-026-6601 has 2 manufacturer part numbers on file: 1339250PC1 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), 2N5566 (British Sarozal Ltd).
2 possible matches (shared part number, not a government interchangeability claim): 5961-01-026-6601, 5961-01-486-3566. Verify interchangeability with system specifications before substitution.
Key specifications for 1339250PC1: Surface Treatment Document and Classification: MIL-C-16232,TY I MIL SPEC SINGLE TREATMENT RESPONSE OVERALL; Connection Style: PLAIN (PIPE) ALL ENDS; Connection Style: EXTERNAL SEAT FOR GASKET SEAL (BOSS) INLET; Inlet Location: LEFT-HAND SIDE SINGLE INLET. 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.