The Coupling Half,shaft, cataloged under National Stock Number 3010-01-026-3999, is classified within Federal Supply Class 3010 (Torque Converters and Speed Changers) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Fm Af, Llc Dba American Fan Company. Government technical data includes 6 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3010-01-026-3999 |
| Primary Part Number | AC3313-27 |
| Item Name | Coupling Half,shaft |
| FSC / FSG | 3010 / 30 — Torque Converters and Speed Changers |
| Manufacturer | Fm Af, Llc Dba American Fan Company |
| Status | ACTIVE |
| Body Style | FLEXIBLE KEYWAY INSERT TYPE, THROUGH BORE |
| Material Document and Classification | AISI C1020 ASSN STD SINGLE MATERIAL RESPONSE |
| Outside Diameter | 2.000 INCHES NOMINAL IN |
| Bore Shape | STRAIGHT |
| Bore Diameter | 1.0000 INCHES NOMINAL 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 |
|---|---|
| AC3313-27 PRIMARY | Fm Af, Llc Dba American Fan Company (USA) |
| Reference | Meaning |
|---|---|
| AC129425 | 5/9 Secondary reference Tlt-Babcock, Inc. |
| AC3313-27 | 3/9 Design control — primary reference Tlt-Babcock, Inc. |
NSN 3010-01-026-3999 is a Coupling Half,shaft, manufactured by Fm Af, Llc Dba American Fan Company, classified under FSC 3010, Torque Converters and Speed Changers. Status: active.
NSN 3010-01-026-3999 has 1 manufacturer part number on file: AC3313-27 (Fm Af, Llc Dba American Fan Company).
Key specifications for AC3313-27: Body Style: FLEXIBLE KEYWAY INSERT TYPE, THROUGH BORE; Material Document and Classification: AISI C1020 ASSN STD SINGLE MATERIAL RESPONSE; Overall Length: 2.250 INCHES NOMINAL IN; Outside Diameter: 2.000 INCHES NOMINAL IN. 6 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.