The Flange,companion,nonvehicular Un, cataloged under National Stock Number 3010-01-310-6594, is classified within Federal Supply Class 3010 (Torque Converters and Speed Changers) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3010-01-310-6594 |
| Primary Part Number | 70351-48149-101 |
| Item Name | Flange,companion,nonvehicular Un |
| FSC / FSG | 3010 / 30 — Torque Converters and Speed Changers |
| Manufacturer | Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 70351-48149-101 PRIMARY | Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp (USA) |
| Reference | Meaning |
|---|---|
| 70351-48149 | D/9 Drawing number reference only Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp |
NSN 3010-01-310-6594 is a Flange,companion,nonvehicular Un, manufactured by Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp, classified under FSC 3010, Torque Converters and Speed Changers. Status: active.
NSN 3010-01-310-6594 has 1 manufacturer part number on file: 70351-48149-101 (Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp).
1 possible match (shared part number, not a government interchangeability claim): 4730-01-312-2727. Verify interchangeability with system specifications before substitution.
Key specifications for 70351-48149-101: Overall Length: 1.304 INCHES NOMINAL IN; Special Features: MAJOR DIAMETER: 1.890 IN. NOM.; WIDTH: 0.080 IN. NOM.; BOLT CIRCLE DIAMETER: 5.187 IN. NOM.; FLANGE THICKNESS: 0.1700 IN. NOM.; MOUNTING HOLE DIAMETER: 0.376 IN. NOM.; OVERALL DIAMETER: 7.000 IN. NOM.; BORE LENGTH: 2.206 IN. NOM.; MINOR DIAMETER: 1.750 IN. NOM.; HUB LENGTH: 1.020 IN. NOM.; HUB OUTSIDE DIAMETER: 2.200 IN. NOM.; SHAFT FACILITY SPLINE QUANTITY: 36 IN; End Item Identification: 1520-01-082-0686. 0 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.
NSN 3010-01-310-6594 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
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.