The Frame,knife, cataloged under National Stock Number 3455-01-137-3123, is classified within Federal Supply Class 3455 (Cutting Tools for Machine Tools) of the Metalworking Machinery (continued) group. The manufacturer of record is Buffalo Machine Tools of Niagara Inc Div Buffalo Machines Inc. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 3455-01-137-3123 |
| Primary Part Number | C5-2273-1 |
| Item Name | Frame,knife |
| FSC / FSG | 3455 / 34 — Cutting Tools for Machine Tools |
| Manufacturer | Buffalo Machine Tools of Niagara Inc Div Buffalo Machines Inc |
| Status | ACTIVE |
| General Characteristics Item Description | STEEL; 3/8 IN. DIA; 1-1/4 IN. THICK IN |
| 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 |
|---|---|
| C5-2273-1 PRIMARY | Buffalo Machine Tools of Niagara Inc Div Buffalo Machines Inc (USA) |
| Reference | Meaning |
|---|---|
| D5-2200-1 PIECE 11 | 5/9 Secondary reference New Philadelphia Fan Co Buffalo Forge Marine Fans |
| D5-2200-1 PIECE 11 | 5/9 Secondary reference Fm Af, Llc Dba American Fan Company |
NSN 3455-01-137-3123 is a Frame,knife, manufactured by Buffalo Machine Tools of Niagara Inc Div Buffalo Machines Inc, classified under FSC 3455, Cutting Tools for Machine Tools. Status: active.
NSN 3455-01-137-3123 has 1 manufacturer part number on file: C5-2273-1 (Buffalo Machine Tools of Niagara Inc Div Buffalo Machines Inc).
Key specifications for C5-2273-1: General Characteristics Item Description: STEEL; 3/8 IN. DIA; 1-1/4 IN. THICK IN. 1 specification is 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.