The Elbow,flange to Tube, cataloged under National Stock Number 4730-00-989-0499, 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 U S Army Tank Automotive Command Amsta-Im-Mm. Government technical data includes 22 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 4730-00-989-0499 |
| Primary Part Number | 10922186-20 |
| Item Name | Elbow,flange to Tube |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Recess Nominal Depth | 0.115 INCHES SECOND END IN |
| Flange Shape | ROUND SECOND END |
| Flow Angle | 90.0 DEGREES |
| Flange Face Design | RECESSED WITH GASKET GROOVE SECOND END |
| Connection Style | FLARELESS (TUBE) FIRST END |
| Connection Type | FLANGE SECOND END |
| Connection Type | THREADED EXTERNAL TUBE FIRST END |
| Nominal Outside Diameter Tube Accommodated | 1.250 INCHES FIRST END IN |
| Leg Length | 2.500 INCHES NOMINAL SECOND END IN |
| Leg Length | 2.563 INCHES NOMINAL FIRST END IN |
| Nominal Thread Size | 1.625 INCHES FIRST END IN |
| Seat Angle | 12.0 DEGREES FIRST END |
| Maximum Operating Temp | 170.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Nominal Outside Diameter | 2.000 INCHES SECOND END IN |
| Surface Treatment | CADMIUM OVERALLUNABLE TO DECODE |
| Media for Which Designed | WATER-OIL-GAS SINGLE RESPONSEUNABLE TO DECODE |
| Thread Class | 3A FIRST END A |
| Thread Quantity Per Inch | 12 FIRST END |
| Material | STEEL OVERALL |
| Thread Series Designator | UN FIRST END |
| Nominal Thickness | 0.312 INCHES SECOND END IN |
| Recess Nominal Diameter | 1.312 INCHES SECOND END IN |
| 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 |
|---|---|
| 10922186-20 | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| 10922186 | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| Reference | Meaning |
|---|---|
| 27573-20-20S | 3/2 Design control — primary reference U.S. Government activity |
| 4730009890499 | 5/9 Secondary reference E.c.a Etablissement Centrald'approvisionnement Des Forces Armee |
| 27573SIZE11-4 | 5/9 Secondary reference U.S. Government activity |
NSN 4730-00-989-0499 is a Elbow,flange to Tube, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-00-989-0499 has 2 manufacturer part numbers on file: 10922186-20 (U S Army Tank Automotive Command Amsta-Im-Mm), 10922186 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 10922186-20: Recess Nominal Depth: 0.115 INCHES SECOND END IN; Flange Shape: ROUND SECOND END; Flow Angle: 90.0 DEGREES; Flange Face Design: RECESSED WITH GASKET GROOVE SECOND END. 22 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.