The Elbow,tube to Boss, cataloged under National Stock Number 4730-01-107-4084, 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 Custom Hydraulic & Machine, Inc. Dba Custom Hydraulic & Machine Inc. 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-107-4084 |
| Primary Part Number | CMC-70/30-90-16C-16J |
| Item Name | Elbow,tube to Boss |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Custom Hydraulic & Machine, Inc. Dba Custom Hydraulic & Machine Inc |
| Status | ACTIVE |
| Flow Angle | 90.0 DEGREES |
| Connection Style | EXTERNAL SEAT FOR GASKET SEAL (BOSS) SECOND END |
| Connection Style | FLARED (TUBE) FIRST END |
| Connection Type | THREADED EXTERNAL TUBE FIRST END |
| Connection Type | THREADED EXTERNAL BOSS SECOND END |
| Material Document and Classification | -1L-C-15726 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Outside Diameter Tube Accommodated | 1.000 INCHES FIRST END IN |
| Leg Length | 1.812 INCHES NOMINAL FIRST END IN |
| Leg Length | 2.047 INCHES NOMINAL SECOND END IN |
| Nominal Thread Size | 1.312 INCHES ALL ENDS IN |
| Seat Angle | 37.0 DEGREES FIRST END |
| Thread Class | 2A ALL ENDS A |
| Thread Quantity Per Inch | 12 ALL ENDS |
| Material | COPPER ALLOY OVERALL |
| Thread Series Designator | UN ALL ENDS |
| 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 |
|---|---|
| 2887439-3 | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
| CMC-70/30-90-16C-16J PRIMARY | Custom Hydraulic & Machine, Inc. Dba Custom Hydraulic & Machine Inc (USA) |
| 16C50X-CUNI 70/30 PRIMARY | Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division (USA) |
| Reference | Meaning |
|---|---|
| CMC-90-16C-16J-70/30 | 5/9 Secondary reference Custom Hydraulic & Machine, Inc. Dba Custom Hydraulic & Machine Inc |
| 16C50X-CN | 5/9 Secondary reference U.S. Government activity |
| 16C50X-CN | 5/9 Secondary reference Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division |
NSN 4730-01-107-4084 is a Elbow,tube to Boss, manufactured by Custom Hydraulic & Machine, Inc. Dba Custom Hydraulic & Machine Inc, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-107-4084 has 3 manufacturer part numbers on file: 2887439-3 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), CMC-70/30-90-16C-16J (Custom Hydraulic & Machine, Inc. Dba Custom Hydraulic & Machine Inc), 16C50X-CUNI 70/30 (Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division).
Key specifications for CMC-70/30-90-16C-16J: Flow Angle: 90.0 DEGREES; Connection Style: EXTERNAL SEAT FOR GASKET SEAL (BOSS) SECOND END; Connection Style: FLARED (TUBE) FIRST END; Connection Type: THREADED EXTERNAL TUBE FIRST 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.