The Coupling,rigid-Flex, cataloged under National Stock Number 3010-01-069-9859, 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 2 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 3010-01-069-9859 |
| Primary Part Number | 1WFR-1-1 |
| Item Name | Coupling,rigid-Flex |
| 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 0.999 IN., 1.562 IN.LG WITH 1/4 IN. WD X 1/8 IN. DP KEYWAY; FLEX HALF BORE DIA 0.999 IN., 1.688 IN.LG WITH 1/4 IN. WD X 1/8 IN. DP KEYWAY; 6 EXPOSED BOLT; 3.000 IN. OD HUB BOTH ENDS 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 |
|---|---|
| 1WFR-1-1 | Emerson Power Transmission Corporation Dba Emerson Div Emerson Power Transmission Division (USA) |
| Reference | Meaning |
|---|---|
| 1WFR-1-1 | 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 |
| 1WFR-1-1 | 5/9 Secondary reference Reliance Electric Company Dba Reliance & Dodge Brands |
| SM-A-949322-2 | 3/2 Design control — primary reference U.S. Government activity |
NSN 3010-01-069-9859 is a Coupling,rigid-Flex, 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 3010-01-069-9859 has 1 manufacturer part number on file: 1WFR-1-1 (Emerson Power Transmission Corporation Dba Emerson Div Emerson Power Transmission Division).
2 possible matches (shared part number, not a government interchangeability claim): 3010-01-070-3801, 3010-01-082-2530. Verify interchangeability with system specifications before substitution.
Key specifications for 1WFR-1-1: Overall Diameter: 4.562 INCHES NOMINAL IN; General Characteristics Item Description: RIGID HALF BORE DIA 0.999 IN., 1.562 IN.LG WITH 1/4 IN. WD X 1/8 IN. DP KEYWAY; FLEX HALF BORE DIA 0.999 IN., 1.688 IN.LG WITH 1/4 IN. WD X 1/8 IN. DP KEYWAY; 6 EXPOSED BOLT; 3.000 IN. OD HUB BOTH ENDS IN; Overall Length: 3.406 INCHES NOMINAL IN. 2 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.