The Cutter,milling,involute Gear, cataloged under National Stock Number 3455-00-238-7656, is classified within Federal Supply Class 3455 (Cutting Tools for Machine Tools) of the Metalworking Machinery (continued) group. The manufacturer of record is Union Butterfield Corp P O Box 9000 Crystal Lake Il 60039. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 7 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Cutter,milling,involute Gear |
| FSC / FSG | 3455 — Cutting Tools for Machine Tools (FSG 34) |
| Manufacturers | F & D Tool Co Inc (CAGE 72295); Union Butterfield Corp P O Box 9000 Crystal Lake Il 60039 (CAGE 71485) |
| Parameter | Value |
|---|---|
| NSN | 3455-00-238-7656 |
| Primary Part Number | 54-10075 |
| Item Name | Cutter,milling,involute Gear |
| FSC / FSG | 3455 / 34 — Cutting Tools for Machine Tools |
| Manufacturer | Union Butterfield Corp P O Box 9000 Crystal Lake Il 60039 |
| 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 |
|---|---|
| INVOLUTE 10-1 | F & D Tool Co Inc (USA) |
| 54-10075 PRIMARY | Union Butterfield Corp P O Box 9000 Crystal Lake Il 60039 (USA) |
| Reference | Meaning |
|---|---|
| MS15701-249 | 5/9 Secondary reference U.S. Government activity |
| ASME B94.19 | 3/1 Design control — primary reference The American Society of Mechanical Engineers |
| GGG-C-755 | 5/9 Secondary reference U.S. Government activity |
| 7036970 | 5/9 Secondary reference Enco Mfg Co |
| B94.19 TABLE 25 | 5/9 Secondary reference U.S. Government activity |
| 53541 | 5/9 Secondary reference Standard Tool Co Div of Lear Siegler Inc |
| 53541 | 5/9 Secondary reference Lear Siegler Inc National Twist Drill and Tool Div |
NSN 3455-00-238-7656 is a Cutter,milling,involute Gear, manufactured by Union Butterfield Corp P O Box 9000 Crystal Lake Il 60039, classified under FSC 3455, Cutting Tools for Machine Tools. Status: active.
NSN 3455-00-238-7656 has 2 manufacturer part numbers on file: INVOLUTE 10-1 (F & D Tool Co Inc), 54-10075 (Union Butterfield Corp P O Box 9000 Crystal Lake Il 60039).
4 possible matches (shared part number, not a government interchangeability claim): 5985-00-632-3799, 4330-01-196-1391, 5130-01-689-7102. Verify interchangeability with system specifications before substitution.
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.