The Coupling,shaft,flexible, cataloged under National Stock Number 3010-00-804-3499, is classified within Federal Supply Class 3010 (Torque Converters and Speed Changers) of the Mechanical Power Transmission Equipment group. The manufacturer of record is L3harris Technologies, Inc Div Space & Airborne Systems. Government technical data includes 15 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government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 | 3010-00-804-3499 |
| Primary Part Number | 79704 |
| Item Name | Coupling,shaft,flexible |
| FSC / FSG | 3010 / 30 — Torque Converters and Speed Changers |
| Manufacturer | L3harris Technologies, Inc Div Space & Airborne Systems |
| Status | ACTIVE |
| Keyway Depth | 0.0940 INCHES NOMINAL BOTH ENDS IN |
| Securing Method | THREADED HOLE(S) BOTH ENDS |
| Threaded Hole Location | BOTH ENDS: LOCATED 180 DEG FROM KEYWAY |
| Bore Length | 1.0310 INCHES NOMINAL BOTH ENDS IN |
| Design Type | INSERT |
| Keying Facility Type | KEYWAY BOTH ENDS |
| Outside Diameter | 1.500 INCHES NOMINAL IN |
| Bore Shape | STRAIGHT BOTH ENDS |
| Keying Facility Quantity | 1 BOTH ENDS |
| Threaded Hole Quantity | 1 BOTH ENDS |
| Thread Size Designator | 5/16-18 THD SIZE BOTH ENDS |
| Keyway Width | 0.188 INCHES NOMINAL BOTH ENDS IN |
| Bore Diameter | 0.6250 INCHES NOMINAL BOTH ENDS IN |
| Furnished Items and Quantity | SETSCREWS,2 |
| Insert Material | COPPER ALLOY |
| 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 |
|---|---|
| 79704 PRIMARY | L3harris Technologies, Inc Div Space & Airborne Systems (USA) |
| Reference | Meaning |
|---|---|
| 174149-1 | 5/9 Secondary reference L3harris Technologies, Inc Div Space & Airborne Systems |
NSN 3010-00-804-3499 is a Coupling,shaft,flexible, manufactured by L3harris Technologies, Inc Div Space & Airborne Systems, classified under FSC 3010, Torque Converters and Speed Changers. Status: active.
NSN 3010-00-804-3499 has 1 manufacturer part number on file: 79704 (L3harris Technologies, Inc Div Space & Airborne Systems).
3 possible matches (shared part number, not a government interchangeability claim): 5865-01-148-9900, 3120-01-332-6593, 4310-01-721-5015. Verify interchangeability with system specifications before substitution.
Key specifications for 79704: Keyway Depth: 0.0940 INCHES NOMINAL BOTH ENDS IN; Securing Method: THREADED HOLE(S) BOTH ENDS; Threaded Hole Location: BOTH ENDS: LOCATED 180 DEG FROM KEYWAY; Bore Length: 1.0310 INCHES NOMINAL BOTH ENDS IN. 15 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.