The Sleeve,sliding,clutch, cataloged under National Stock Number 3010-00-441-3129, is classified within Federal Supply Class 3010 (Torque Converters and Speed Changers) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3010-00-441-3129 |
| Primary Part Number | A4422 |
| Item Name | Sleeve,sliding,clutch |
| FSC / FSG | 3010 / 30 — Torque Converters and Speed Changers |
| Manufacturer | Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic |
| Status | ACTIVE |
| General Characteristics Item Description | STEEL; LARGEST FLANGE DIA 4.246 IN.,0.490 IN. THK; SMALLEST FLANGE DIA 3.252 IN.,0.242 IN. THK; 2.500 IN. BORE 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 |
|---|---|
| A4422 PRIMARY | Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic (USA) |
| 279204R1 | Komatsu America Corp. (USA) |
| Reference | Meaning |
|---|---|
| 279204R1 | 5/9 Secondary reference Komatsu American Intl Co |
| 279204R1 | 3/2 Design control — primary reference U.S. Government activity |
NSN 3010-00-441-3129 is a Sleeve,sliding,clutch, manufactured by Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic, classified under FSC 3010, Torque Converters and Speed Changers. Status: active.
NSN 3010-00-441-3129 has 2 manufacturer part numbers on file: A4422 (Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic), 279204R1 (Komatsu America Corp.).
3 possible matches (shared part number, not a government interchangeability claim): 5365-00-587-3372, 6340-00-631-3316, 6760-01-014-5039. Verify interchangeability with system specifications before substitution.
Key specifications for A4422: General Characteristics Item Description: STEEL; LARGEST FLANGE DIA 4.246 IN.,0.490 IN. THK; SMALLEST FLANGE DIA 3.252 IN.,0.242 IN. THK; 2.500 IN. BORE IN. 1 specification is 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.