The Elbow,pipe to Tube, cataloged under National Stock Number 4730-01-332-5933, 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 Air Systems Command Managed Original Design Activity Not Material/parts Supplier. Government technical data includes 2 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4730-01-332-5933 |
| Primary Part Number | 1779AS158-1 |
| Item Name | Elbow,pipe to Tube |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier |
| Status | ACTIVE |
| Flow Angle | 90.0 DEGREES90.0 DEGREES |
| Criticality Code Justification | FEATFEAT |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | Y |
| Part Number | Manufacturer |
|---|---|
| 4CTX-SS | Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division (USA) |
| 1779AS158-1 PRIMARY | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA) |
| Reference | Meaning |
|---|---|
| 1779AS158 | D/9 Drawing number reference only Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier |
| 3306361-1 | 5/2 Secondary reference U.S. Government activity |
NSN 4730-01-332-5933 is a Elbow,pipe to Tube, manufactured by Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-332-5933 has 2 manufacturer part numbers on file: 4CTX-SS (Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division), 1779AS158-1 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier).
1 possible match (shared part number, not a government interchangeability claim): 4730-01-333-0130. Verify interchangeability with system specifications before substitution.
Key specifications for 1779AS158-1: Flow Angle: 90.0 DEGREES90.0 DEGREES; Criticality Code Justification: FEATFEAT; Special Features: SPECIAL CLEANING FOR OXYGEN SERVICE IAW DRAWING 30003 1552AS201SPECIAL CLEANING FOR OXYGEN SERVICE IAW DRAWING 30003 1552AS201. 2 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.