The Adapter,straight,flange to Flang, cataloged under National Stock Number 4730-01-460-7256, 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 General Dynamics Land Systems Inc.. Government technical data includes 29 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-460-7256 |
| Primary Part Number | LSBY6100006 |
| Item Name | Adapter,straight,flange to Flang |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | General Dynamics Land Systems Inc. |
| Status | ACTIVE |
| Flange Shape | ROUND WITH HOLES FIRST END |
| Flange Shape | RECTANGULAR WITH HOLES SECOND END |
| Flange Face Design | PLAIN SECOND ENDUNABLE TO DECODE |
| Flange Face Design | PLAIN FIRST ENDUNABLE TO DECODE |
| Flange Face Design | PLAIN FIRST END |
| Flange Face Design | PLAIN SECOND END |
| Surface Treatment Document and Classification | MIL-STD-171 MIL SPEC ALL TREATMENT RESPONSES OVERALL |
| Surface Treatment Document and Classification | MIL-STD-171 MIL SPEC ALL TREATMENT RESPONSES OVERALLUNABLE TO DECODE |
| Nominal Length | 4.125 INCHES ALL ENDS IN |
| Bolt Circle Nominal Diameter | 2.170 INCHES FIRST END IN |
| Bolt Circle Nominal Diameter | UNABLE TO DECODE |
| Nominal Overall Length | 1.750 INCHES IN |
| Connection Type | FLANGE SECOND END |
| Connection Type | FLANGE FIRST END |
| Material Document and Classification | ASTM A576 ASSN STD ALL MATERIAL RESPONSES OVERALL |
| Material Document and Classification | ASTM A576 ASSN STD ALL MATERIAL RESPONSES OVERALLUNABLE TO DECODE |
| Bolt Hole Nominal Diameter | 0.219 INCHES FIRST END IN |
| Nominal Thread Size | 0.250 INCHES SECOND END IN |
| Center to Center Nominal Distance Between Bolt Holes Along Width | 3.540 INCHES SECOND END IN |
| Center to Center Nominal Distance Between Bolt Holes Along Width | 3.540 INCHES SECOND ENDUNABLE TO DECODE IN |
| Nominal Outside Diameter | 2.990 INCHES FIRST END IN |
| Bolt Hole Quantity | 4 SECOND END |
| Bolt Hole Quantity | 4 FIRST END |
| Surface Treatment | PAINT OVERALL |
| Surface Treatment | PAINT OVERALLUNABLE TO DECODE |
| Nominal Width | 4.125 INCHES ALL ENDS IN |
| Center to Center Nominal Distance Between Bolt Holes Along Length | 3.540 INCHES SECOND END IN |
| Center to Center Nominal Distance Between Bolt Holes Along Length | 3.540 INCHES SECOND ENDUNABLE TO DECODE IN |
| Thread Class | 2B FIRST END |
| 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 |
|---|---|
| LSBY6100006 PRIMARY | General Dynamics Land Systems Inc. (USA) |
NSN 4730-01-460-7256 is a Adapter,straight,flange to Flang, manufactured by General Dynamics Land Systems Inc., classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-460-7256 has 1 manufacturer part number on file: LSBY6100006 (General Dynamics Land Systems Inc.).
Key specifications for LSBY6100006: Flange Shape: ROUND WITH HOLES FIRST END; Flange Shape: RECTANGULAR WITH HOLES SECOND END; Flange Face Design: PLAIN SECOND ENDUNABLE TO DECODE; Flange Face Design: PLAIN FIRST ENDUNABLE TO DECODE. 29 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.