The Rgd-Flex Coupling, cataloged under National Stock Number 3010-01-069-9858, is classified within Federal Supply Class 3010 (Torque Converters and Speed Changers) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Emerson Power Transmission Corporation Dba Emerson Div Emerson Power Transmission Division. Government technical data includes 4 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government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 | 3010-01-069-9858 |
| Primary Part Number | 1WFR 1X3/4 |
| Item Name | Rgd-Flex Coupling |
| FSC / FSG | 3010 / 30 — Torque Converters and Speed Changers |
| Manufacturer | Emerson Power Transmission Corporation Dba Emerson Div Emerson Power Transmission Division |
| Status | ACTIVE |
| Overall Diameter | 4.562 INCHES NOMINAL IN |
| General Characteristics Item Description | RIGID HALF BORE DIA 0.748 IN., 1.562 IN. LG WITH 3/16 IN. WD X 3/32 IN. DP KEYWAY; FLEX HALF BORE DIA 0.998 IN., 1.688 IN. LG WITH 1/4 IN. WD X 1/8 IN. DP KEYWAY; HUB OD 3.000 IN. BOTH ENDS; 6 EXPOSED BOLTS IN |
| Accessory Components and Quantity | BOLTS 1/4-28X1.500 IN. LG 6, SET SCREWS 2,GASKET 1 IN |
| Material | STEEL |
| 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 |
|---|---|
| 1WFR 1X3/4 | Emerson Power Transmission Corporation Dba Emerson Div Emerson Power Transmission Division (USA) |
| Reference | Meaning |
|---|---|
| 1WFR-1-3/4 | 5/9 Secondary reference Reliance Electric Company Dba Reliance & Dodge Brands |
| SM-A-949322-1 | 3/2 Design control — primary reference U.S. Government activity |
| 1WFR-1-3/4 | C/1 Advisory reference — outside the item-of-supply concept Reliance Electric Industrial Co Master Div |
| SM-A-949322 | 7/1 Vendor item drawing reference U.S. Government activity |
NSN 3010-01-069-9858 is a Rgd-Flex Coupling, manufactured by Emerson Power Transmission Corporation Dba Emerson Div Emerson Power Transmission Division, classified under FSC 3010, Torque Converters and Speed Changers. Status: active.
NSN 3010-01-069-9858 has 1 manufacturer part number on file: 1WFR 1X3/4 (Emerson Power Transmission Corporation Dba Emerson Div Emerson Power Transmission Division).
3 possible matches (shared part number, not a government interchangeability claim): 3010-01-069-9859, 3010-01-070-3801, 3010-01-082-2530. Verify interchangeability with system specifications before substitution.
Key specifications for 1WFR 1X3/4: Overall Diameter: 4.562 INCHES NOMINAL IN; General Characteristics Item Description: RIGID HALF BORE DIA 0.748 IN., 1.562 IN. LG WITH 3/16 IN. WD X 3/32 IN. DP KEYWAY; FLEX HALF BORE DIA 0.998 IN., 1.688 IN. LG WITH 1/4 IN. WD X 1/8 IN. DP KEYWAY; HUB OD 3.000 IN. BOTH ENDS; 6 EXPOSED BOLTS IN; Overall Length: 3.406 INCHES NOMINAL IN; Accessory Components and Quantity: BOLTS 1/4-28X1.500 IN. LG 6, SET SCREWS 2,GASKET 1 IN. 4 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.