The Elbow,tube, cataloged under National Stock Number 4730-01-050-2691, 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 Tusas - Turk Havacilik Ve Uzay Sanayii Anonim Sirketi. Government technical data includes 11 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 4730-01-050-2691 |
| Primary Part Number | 16P1537-813 |
| Item Name | Elbow,tube |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Tusas - Turk Havacilik Ve Uzay Sanayii Anonim Sirketi |
| Status | ACTIVE |
| Furnished Items and Quantity | 1 ORIFICE FLANGE |
| Flow Angle | 90.0 DEGREES |
| Connection Style | PLAIN (TUBE) FIRST END |
| Tubing Wall Nominal Thickness for Which Designed | 0.035 INCHES FIRST END IN |
| Connection Type | THREADED EXTERNAL BOSS SECOND END |
| Connection Type | UNTHREADED EXTERNAL TUBE FIRST END |
| Nominal Outside Diameter Tube Accommodated | 0.250 INCHES FIRST END IN |
| Leg Length | 1.600 INCHES NOMINAL ALL ENDS IN |
| Nominal Thread Size | 0.688 INCHES SECOND END IN |
| Thread Class | 3A SECOND END A |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) 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 |
|---|---|
| 16P1537-813 | Tusas - Turk Havacilik Ve Uzay Sanayii Anonim Sirketi (TUR) |
| Reference | Meaning |
|---|---|
| 16P1537-5 | 5/9 Secondary reference U.S. Government activity |
| 16P1537-813 | 3/2 Design control — primary reference U.S. Government activity |
NSN 4730-01-050-2691 is a Elbow,tube, manufactured by Tusas - Turk Havacilik Ve Uzay Sanayii Anonim Sirketi, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-050-2691 has 1 manufacturer part number on file: 16P1537-813 (Tusas - Turk Havacilik Ve Uzay Sanayii Anonim Sirketi).
Key specifications for 16P1537-813: Furnished Items and Quantity: 1 ORIFICE FLANGE; Flow Angle: 90.0 DEGREES; Connection Style: PLAIN (TUBE) FIRST END; Tubing Wall Nominal Thickness for Which Designed: 0.035 INCHES FIRST END IN. 11 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.