The Shaft, cataloged under National Stock Number 4940-01-178-6614, is classified within Federal Supply Class 4940 (Miscellaneous Maintenance and Repair Shop Specialized Equipment) of the Maintenance and Repair Shop Equipment group. The manufacturer of record is Morris Radial Drill Parts Inc. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 4940-01-178-6614 |
| Primary Part Number | A-166 |
| Item Name | Shaft |
| FSC / FSG | 4940 / 49 — Miscellaneous Maintenance and Repair Shop Specialized Equipment |
| Manufacturer | Morris Radial Drill Parts Inc |
| Status | ACTIVE |
| 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 |
|---|---|
| A-166 PRIMARY | Morris Radial Drill Parts Inc (USA) |
| Reference | Meaning |
|---|---|
| A-166 | 5/9 Secondary reference Wyle Laboratories Morris Radial Drill Div |
| A-166 | 5/9 Secondary reference Pal-Vin Machine Inc |
NSN 4940-01-178-6614 is a Shaft, manufactured by Morris Radial Drill Parts Inc, classified under FSC 4940, Miscellaneous Maintenance and Repair Shop Specialized Equipment. Status: active.
NSN 4940-01-178-6614 has 1 manufacturer part number on file: A-166 (Morris Radial Drill Parts Inc).
2 possible matches (shared part number, not a government interchangeability claim): 5355-01-268-8865, 2530-01-323-3141. Verify interchangeability with system specifications before substitution.
Key specifications for A-166: End Item Identification: MORRIS 11 INCH MOR-SPEED RADIAL DRILL; SERIAL NO. A1194 IN. 0 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.