The Elbow,tube, cataloged under National Stock Number 4730-01-257-8686, 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 Designed Metal Connections Inc Dba Permaswage Usa Div Permaswage, a Pcc Company. Government technical data includes 19 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4730-01-257-8686 |
| Primary Part Number | D11055AP-10W |
| Item Name | Elbow,tube |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Designed Metal Connections Inc Dba Permaswage Usa Div Permaswage, a Pcc Company |
| Status | ACTIVE |
| Furnished Items and Quantity | 1 SWIVEL NUT |
| Flow Angle | 45.0 DEGREES |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Connection Style | SWAGED W/ GROOVES (TUBE) SECOND END |
| Connection Style | SWIVEL NUT INVERTED FLARE (TUBE) FIRST END |
| Connection Type | UNTHREADED INTERNAL TUBE SECOND END |
| Connection Type | THREADED INTERNAL TUBE FIRST END |
| Material Document and Classification | AMS5656,TY 21-6-9 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Outside Diameter Tube Accommodated | 0.625 INCHES ALL ENDS IN |
| Leg Length | 1.940 INCHES NOMINAL SECOND END IN |
| Leg Length | 1.174 INCHES NOMINAL FIRST END IN |
| Nominal Thread Size | 0.844 INCHES FIRST END IN |
| Seat Angle | 30.0 DEGREES FIRST END |
| Surface Treatment | PASSIVATE OVERALL |
| Surface Treatment | PLASTIC POLYTETRAFLUOROETHYLENE INSIDE |
| Thread Class | 3B FIRST END |
| Thread Quantity Per Inch | 18 FIRST END |
| Material | STEEL CORROSION RESISTING OVERALL |
| Thread Series Designator | UNJS FIRST 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 |
|---|---|
| D11055AT-10W | Designed Metal Connections Inc Dba Permaswage Usa Div Permaswage, a Pcc Company (USA) |
| D11055AP-10W PRIMARY | Designed Metal Connections Inc Dba Permaswage Usa Div Permaswage, a Pcc Company (USA) |
| Reference | Meaning |
|---|---|
| C7869-10L | 5/2 Secondary reference U.S. Government activity |
| 4730PL0673314 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| C7869 | 7/1 Vendor item drawing reference U.S. Government activity |
NSN 4730-01-257-8686 is a Elbow,tube, manufactured by Designed Metal Connections Inc Dba Permaswage Usa Div Permaswage, a Pcc Company, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-257-8686 has 2 manufacturer part numbers on file: D11055AT-10W (Designed Metal Connections Inc Dba Permaswage Usa Div Permaswage, a Pcc Company), D11055AP-10W (Designed Metal Connections Inc Dba Permaswage Usa Div Permaswage, a Pcc Company).
1 possible match (shared part number, not a government interchangeability claim): 4730-01-257-8687. Verify interchangeability with system specifications before substitution.
Key specifications for D11055AP-10W: Furnished Items and Quantity: 1 SWIVEL NUT; Flow Angle: 45.0 DEGREES; Surface Treatment Document and Classification: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Connection Style: SWAGED W/ GROOVES (TUBE) SECOND END. 19 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.