The Cover,coupling, cataloged under National Stock Number 3010-01-422-4131, is classified within Federal Supply Class 3010 (Torque Converters and Speed Changers) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Reliance Electric Company Dba Reliance & Dodge Brands. Government technical data includes 3 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 3010-01-422-4131 |
| Primary Part Number | 099027 |
| Item Name | Cover,coupling |
| FSC / FSG | 3010 / 30 — Torque Converters and Speed Changers |
| Manufacturer | Reliance Electric Company Dba Reliance & Dodge Brands |
| Status | ACTIVE |
| Model or Size Coupling for Which Designed | 5018 |
| Overall Diameter | 5.125 INCHES IN |
| Material | ALUMINUM |
| 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 |
|---|---|
| 099027 | Reliance Electric Company Dba Reliance & Dodge Brands (USA) |
| Reference | Meaning |
|---|---|
| 5018COV | 3/9 Design control — primary reference Martin Sprocket and Gear Inc |
| D518-B | 5/9 Secondary reference Diamond Chain Co Div of Amsted Industries Inc |
| AL50 | 5/9 Secondary reference Emerson Power Transmission Corporation Div Ept |
| AL50 | C/1 Advisory reference — outside the item-of-supply concept Emerson Electric Co Browning Mfg Div |
NSN 3010-01-422-4131 is a Cover,coupling, manufactured by Reliance Electric Company Dba Reliance & Dodge Brands, classified under FSC 3010, Torque Converters and Speed Changers. Status: active.
NSN 3010-01-422-4131 has 1 manufacturer part number on file: 099027 (Reliance Electric Company Dba Reliance & Dodge Brands).
1 possible match (shared part number, not a government interchangeability claim): 3010-01-663-1270. Verify interchangeability with system specifications before substitution.
Key specifications for 099027: Model or Size Coupling for Which Designed: 5018; Overall Diameter: 5.125 INCHES IN; Overall Width: 2.375 INCHES IN; End Item Identification: WEAPONS SYSTEM SAFEGUARD CLASS ARS. 3 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.