The Elbow,tube to Boss, cataloged under National Stock Number 4730-01-187-6905, 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 The Boeing Company Div Defense. 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-187-6905 |
| Primary Part Number | 7M796A4 |
| Item Name | Elbow,tube to Boss |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| Furnished Items and Quantity | 1 LOCKNUT |
| Flow Angle | 90.0 DEGREES |
| Connection Style | FLARED W/ GASKET SEAL (BOSS) SECOND END |
| Connection Style | FLARELESS (TUBE) FIRST END |
| Connection Type | THREADED EXTERNAL TUBE FIRST END BULKHEAD |
| Connection Type | THREADED EXTERNAL TUBE FIRST END |
| Connection Type | THREADED EXTERNAL BOSS SECOND END |
| Nominal Outside Diameter Tube Accommodated | 0.250 INCHES FIRST END IN |
| Leg Length | 1.820 INCHES NOMINAL FIRST END IN |
| Leg Length | 1.020 INCHES NOMINAL SECOND END IN |
| Nominal Thread Size | 0.438 INCHES FIRST END BULKHEAD IN |
| Nominal Thread Size | 0.438 INCHES ALL ENDS IN |
| Seat Angle | 37.0 DEGREES FIRST END |
| Surface Treatment | ALUMINUM AND ANODIZE BODY |
| Surface Treatment | ALUMINUM AND ANODIZE NUT |
| Thread Class | 3A ALL ENDS A |
| Material | ALUMINUM BODY |
| Material | PLASTIC, POLYETHYLENE (PP) NUT |
| Thread Series Designator | UNF 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 |
|---|---|
| 7M796A4 PRIMARY | The Boeing Company Div Defense (USA) |
| A-400-91-4ANNH | Swagelok Co (USA) |
| Reference | Meaning |
|---|---|
| 7M796 | D/9 Drawing number reference only The Boeing Company Div Defense |
| A-400NY-91-4AN | 5/9 Secondary reference Swagelok Co |
| 10130694 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
NSN 4730-01-187-6905 is a Elbow,tube to Boss, manufactured by The Boeing Company Div Defense, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-187-6905 has 2 manufacturer part numbers on file: 7M796A4 (The Boeing Company Div Defense), A-400-91-4ANNH (Swagelok Co).
Key specifications for 7M796A4: Furnished Items and Quantity: 1 LOCKNUT; Flow Angle: 90.0 DEGREES; Connection Style: FLARED W/ GASKET SEAL (BOSS) SECOND END; Connection Style: FLARELESS (TUBE) FIRST 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.