The Elbow,tube, cataloged under National Stock Number 4730-01-691-0124, 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 Fitting Source, Inc Dba Fitting Source Inc. Government technical data includes 9 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-691-0124 |
| Primary Part Number | 853BX20-NZ |
| Item Name | Elbow,tube |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Fitting Source, Inc Dba Fitting Source Inc |
| Status | ACTIVE |
| Flow Angle | 37.0 DEGREES |
| Connection Style | FLARED (TUBE) SECOND END |
| Style Designator | ELBOW |
| Leg Length | 0.25 INCHES NOMINAL FIRST END IN |
| Leg Length | 2.06 INCHES NOMINAL SECOND END IN |
| Nominal Thread Size | 1.625 INCHES SECOND END IN |
| Thread Quantity Per Inch | 12 SECOND END |
| Material | STEEL ELBOW |
| Thread Series Designator | UNF SECOND END |
| 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 |
|---|---|
| 853BX20-NZ PRIMARY | Fitting Source, Inc Dba Fitting Source Inc (USA) |
| Reference | Meaning |
|---|---|
| 4016AS859-1 | 7/2 Vendor item drawing reference Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier |
NSN 4730-01-691-0124 is a Elbow,tube, manufactured by Fitting Source, Inc Dba Fitting Source Inc, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-691-0124 has 1 manufacturer part number on file: 853BX20-NZ (Fitting Source, Inc Dba Fitting Source Inc).
Key specifications for 853BX20-NZ: Flow Angle: 37.0 DEGREES; Connection Style: FLARED (TUBE) SECOND END; Style Designator: ELBOW; Leg Length: 0.25 INCHES NOMINAL FIRST END IN. 9 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.