The Elbow,tube, cataloged under National Stock Number 4730-01-051-0708, 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 15 specifications, cited from the U.S. Government catalog. The record lists 3 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4730-01-051-0708 |
| Primary Part Number | D11055AT-12 |
| 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 |
| Flow Angle | 135.0 DEGREES |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE BODY |
| Connection Style | INVERTED FLARE (TUBE) FIRST END |
| Connection Style | SWAGED W/ GROOVES (TUBE) SECOND END |
| Connection Type | UNTHREADED INTERNAL TUBE SECOND END |
| Connection Type | THREADED INTERNAL TUBE FIRST END |
| Material Document and Classification | AMS5656 ASSN STD SINGLE MATERIAL RESPONSE BODY |
| Material Document and Classification | AMS4939 ASSN STD SINGLE MATERIAL RESPONSE NUT |
| Leg Length | 1.271 INCHES MINIMUM AND 1.303 INCHES MAXIMUM FIRST END IN |
| Leg Length | 2.055 INCHES MINIMUM AND 2.085 INCHES MAXIMUM SECOND END IN |
| Nominal Thread Size | 1.000 INCHES FIRST END IN |
| Surface Treatment | PASSIVATE BODY |
| Thread Class | 3B FIRST END |
| Thread Quantity Per Inch | 16 FIRST END |
| Thread Series Designator | UNIFIED NATIONAL JOINT (UNJ) 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-12 PRIMARY | Designed Metal Connections Inc Dba Permaswage Usa Div Permaswage, a Pcc Company (USA) |
| AP12329-T12 | Sps Technologies, Llc Dba Airdrome Precision Components (USA) |
| H11055A-12 | B. & E. Manufacturing Co., Inc. Dba B & E Manufacturing Co Inc (USA) |
| Reference | Meaning |
|---|---|
| D11055T-12 | 5/9 Secondary reference Designed Metal Connections Inc Dba Permaswage Usa Div Permaswage, a Pcc Company |
| C7869-12 | 7/2 Vendor item drawing reference U.S. Government activity |
NSN 4730-01-051-0708 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 4730-01-051-0708 has 3 manufacturer part numbers on file: D11055AT-12 (Designed Metal Connections Inc Dba Permaswage Usa Div Permaswage, a Pcc Company), AP12329-T12 (Sps Technologies, Llc Dba Airdrome Precision Components), H11055A-12 (B. & E. Manufacturing Co., Inc. Dba B & E Manufacturing Co Inc).
1 possible match (shared part number, not a government interchangeability claim): 4730-01-153-7913. Verify interchangeability with system specifications before substitution.
Key specifications for D11055AT-12: Flow Angle: 135.0 DEGREES; Surface Treatment Document and Classification: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE BODY; Connection Style: INVERTED FLARE (TUBE) FIRST END; Connection Style: SWAGED W/ GROOVES (TUBE) SECOND END. 15 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.