The Adapter,straight,flange to Boss, cataloged under National Stock Number 4730-00-262-1097, is classified within Federal Supply Class 4730 (Hose, Pipe, Tube, Lubrication, and Railing Fittings) of the Pipe, Tubing, Hose, and Fittings group. Government technical data includes 19 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-00-262-1097 |
| Item Name | Adapter,straight,flange to Boss |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Status | ACTIVE |
| Flange Shape | RECTANGULAR WITH HOLES FIRST END |
| Flange Face Design | PLAIN FIRST END |
| Connection Style | EXTERNAL SEAT FOR GASKET SEAL (BOSS) SECOND END |
| Nominal Length | 3.000 INCHES FIRST END IN |
| Nominal Overall Length | 1.290 INCHES IN |
| Connection Type | THREADED EXTERNAL BOSS SECOND END |
| Connection Type | FLANGE FIRST END |
| Material Document and Classification | QQ-A-200/3,T8510 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-A-225/6,T851 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-A-268,T6 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Bolt Hole Nominal Diameter | 0.328 INCHES FIRST END IN |
| Nominal Thread Size | 2.669 INCHES SECOND END IN |
| Center to Center Nominal Distance Between Bolt Holes Along Width | 2.344 INCHES FIRST END IN |
| Bolt Hole Quantity | 4 FIRST END |
| Nominal Width | 3.000 INCHES FIRST END IN |
| Center to Center Nominal Distance Between Bolt Holes Along Length | 2.344 INCHES FIRST END IN |
| Thread Class | 2A SECOND END A |
| Thread Quantity Per Inch | 16 SECOND END |
| Material | ALUMINUM ALLOY 2024 OVERALL |
| Thread Series Designator | UNS SECOND END |
| Nominal Thickness | 0.187 INCHES FIRST 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 |
| Reference | Meaning |
|---|---|
| U21220AD | 3/9 Design control — primary reference Eaton Aviation Corporation |
| T1075-200AZ | 5/9 Secondary reference Eaton Aviation Corporation |
NSN 4730-00-262-1097 is a Adapter,straight,flange to Boss, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
Key specifications for 4730-00-262-1097: Flange Shape: RECTANGULAR WITH HOLES FIRST END; Flange Face Design: PLAIN FIRST END; Connection Style: EXTERNAL SEAT FOR GASKET SEAL (BOSS) SECOND END; Nominal Length: 3.000 INCHES FIRST END IN. 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.