The Reamer,machine, cataloged under National Stock Number 3455-00-975-4800, is classified within Federal Supply Class 3455 (Cutting Tools for Machine Tools) of the Metalworking Machinery (continued) group. Government technical data includes 15 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 3455-00-975-4800 |
| Item Name | Reamer,machine |
| FSC / FSG | 3455 / 34 — Cutting Tools for Machine Tools |
| Status | ACTIVE |
| Flute Design | SPIRAL |
| Size Changeability Type | ADJUSTABLE |
| Helix Direction | LEFT-HAND |
| Overall Diameter | 0.625 INCHES NOMINAL IN |
| Flute Cut Direction | RIGHT-HAND |
| Shank Type | MORSE TAPER |
| Size Range | +0.625 TO 0.637 INCHES IN |
| Guide | NOT INCLUDED |
| Flute Length | 1.188 INCHES MINIMUM AND 1.250 INCHES MAXIMUM IN |
| Shank Taper Number | 2 |
| Nondefinitive Spec/std Data | 3 TYPE AND A GRADE AND 5 CLASS |
| Flute Type | INSERTED |
| Flute Quantity | 6 |
| Material | STEEL LOCATION NOT OTHERWISE SPECIFIED |
| Reamer Type | FLUTED CHUCKING |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| ANSI-B94.2 | 4/1 Identification reference Federal Commercial Item Description Promulgated by General Services Administration Washington DC |
| GGGR180TYPE3CLASS5GRADEA | 5/9 Secondary reference U.S. Government activity |
NSN 3455-00-975-4800 is a Reamer,machine, classified under FSC 3455, Cutting Tools for Machine Tools. Status: active.
2 possible matches (shared part number, not a government interchangeability claim): 3455-00-975-4801, 3455-00-975-4908. Verify interchangeability with system specifications before substitution.
Key specifications for 3455-00-975-4800: Flute Design: SPIRAL; Size Changeability Type: ADJUSTABLE; Helix Direction: LEFT-HAND; Overall Diameter: 0.625 INCHES NOMINAL 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.