The Chuck,drill, cataloged under National Stock Number 3460-00-231-2253, is classified within Federal Supply Class 3460 (Machine Tool Accessories) of the Metalworking Machinery (continued) group. The manufacturer of record is Federal Commercial Item Description Promulgated by General Services Administration Washington DC. Government technical data includes 9 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 6 items share a part number with this NSN in the catalog (possible match — not a government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 | 3460-00-231-2253 |
| Primary Part Number | AA51140-1A18 |
| Item Name | Chuck,drill |
| FSC / FSG | 3460 / 34 — Machine Tool Accessories |
| Manufacturer | Federal Commercial Item Description Promulgated by General Services Administration Washington DC |
| Status | ACTIVE |
| Tool Size Accommodated | 0.500 INCHES NOMINAL IN |
| Attachment Type | AMERICAN STANDARD TAPER |
| Attachment Size Designation | NO. 2 AMERICAN STD TAPER SHANK |
| Nondefinitive Spec/std Data | 1 TYPE AND 1 CLASS AND A UNIT |
| Unit Type | 3-JAW KEY |
| Bearing Type | PLAIN |
| Arbor | INCLUDED |
| Performance Type | LIGHT DUTY |
| Attachment Method | SHANK |
| 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 |
|---|---|
| AA51140-1A18 | Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA) |
| Reference | Meaning |
|---|---|
| GGG-C-350 | 5/9 Secondary reference U.S. Government activity |
| A-A-50970 | 5/9 Secondary reference Federal Commercial Item Description Promulgated by General Services Administration Washington DC |
| A-A-51140 | 4/1 Identification reference Federal Commercial Item Description Promulgated by General Services Administration Washington DC |
| GGG-C-350 TY1CL1YNA | 5/1 Secondary reference U.S. Government activity |
NSN 3460-00-231-2253 is a Chuck,drill, manufactured by Federal Commercial Item Description Promulgated by General Services Administration Washington DC, classified under FSC 3460, Machine Tool Accessories. Status: active.
NSN 3460-00-231-2253 has 1 manufacturer part number on file: AA51140-1A18 (Federal Commercial Item Description Promulgated by General Services Administration Washington DC).
6 possible matches (shared part number, not a government interchangeability claim): 3460-00-268-9218, 3460-00-268-9221, 3460-00-268-9516. Verify interchangeability with system specifications before substitution.
Key specifications for AA51140-1A18: Tool Size Accommodated: 0.500 INCHES NOMINAL IN; Attachment Type: AMERICAN STANDARD TAPER; Attachment Size Designation: NO. 2 AMERICAN STD TAPER SHANK; Nondefinitive Spec/std Data: 1 TYPE AND 1 CLASS AND A UNIT. 9 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.