The Elbow,tube to Boss, cataloged under National Stock Number 4730-01-042-2965, 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 17 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4730-01-042-2965 |
| Primary Part Number | D11021T-8W |
| Item Name | Elbow,tube to Boss |
| 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 | 90.0 DEGREES |
| Surface Treatment Document and Classification | MIL-S-5002 MIL SPEC SINGLE TREATMENT RESPONSE BODY |
| Surface Treatment Document and Classification | MIL-L-8937B MIL SPEC SINGLE TREATMENT RESPONSE THREAD PIECE |
| Connection Style | GASKET SEAL (BOSS) SECOND END |
| Connection Type | UNTHREADED EXTERNAL TUBE FIRST END |
| Connection Type | THREADED INTERNAL BOSS SECOND END |
| Material Document and Classification | AMS5656 ASSN STD SINGLE MATERIAL RESPONSE BODY |
| Material Document and Classification | AMS4965 ASSN STD SINGLE MATERIAL RESPONSE NUT |
| Leg Length | 1.292 INCHES MINIMUM AND 1.322 INCHES MAXIMUM SECOND END IN |
| Leg Length | 1.920 INCHES MINIMUM AND 1.950 INCHES MAXIMUM FIRST END IN |
| Nominal Thread Size | 0.718 INCHES SECOND END IN |
| Surface Treatment | PASSIVATE BODY |
| Surface Treatment | TITANIUM THREAD PIECE |
| Thread Class | 3B SECOND END |
| Thread Quantity Per Inch | 20 SECOND END |
| Material | STEEL CORROSION RESISTING BODY |
| Material | TITANIUM NUT |
| 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 |
|---|---|
| D11021T-8W PRIMARY | Designed Metal Connections Inc Dba Permaswage Usa Div Permaswage, a Pcc Company (USA) |
| D11021AT-08W | Designed Metal Connections Inc Dba Permaswage Usa Div Permaswage, a Pcc Company (USA) |
| Reference | Meaning |
|---|---|
| C7866-8L | 7/1 Vendor item drawing reference U.S. Government activity |
| D11021AT8W | 5/9 Secondary reference Designed Metal Connections Inc Dba Permaswage Usa Div Permaswage, a Pcc Company |
NSN 4730-01-042-2965 is a Elbow,tube to Boss, 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 4730-01-042-2965 has 2 manufacturer part numbers on file: D11021T-8W (Designed Metal Connections Inc Dba Permaswage Usa Div Permaswage, a Pcc Company), D11021AT-08W (Designed Metal Connections Inc Dba Permaswage Usa Div Permaswage, a Pcc Company).
1 possible match (shared part number, not a government interchangeability claim): 4730-01-175-6364. Verify interchangeability with system specifications before substitution.
Key specifications for D11021T-8W: Flow Angle: 90.0 DEGREES; Surface Treatment Document and Classification: MIL-S-5002 MIL SPEC SINGLE TREATMENT RESPONSE BODY; Surface Treatment Document and Classification: MIL-L-8937B MIL SPEC SINGLE TREATMENT RESPONSE THREAD PIECE; Connection Style: GASKET SEAL (BOSS) SECOND END. 17 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.