The Tap,thread Cutting, cataloged under National Stock Number 5136-01-686-3053, is classified within Federal Supply Class 5136 (Taps, Dies, and Collets; Hand and Machine) of the Hand Tools group. The manufacturer of record is Kato Fastening Systems, 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5136-01-686-3053 |
| Primary Part Number | CTM-2.5X.45SRB-4H |
| Item Name | Tap,thread Cutting |
| FSC / FSG | 5136 / 51 — Taps, Dies, and Collets; Hand and Machine |
| Manufacturer | Kato Fastening Systems, Inc. |
| Status | ACTIVE |
| Thread Size and Series/type Designator | 3.5 ISO M |
| 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 |
|---|---|
| CTM-2.5X.45SRB-4H PRIMARY | Kato Fastening Systems, Inc. (USA) |
NSN 5136-01-686-3053 is a Tap,thread Cutting, manufactured by Kato Fastening Systems, Inc., classified under FSC 5136, Taps, Dies, and Collets; Hand and Machine. Status: active.
NSN 5136-01-686-3053 has 1 manufacturer part number on file: CTM-2.5X.45SRB-4H (Kato Fastening Systems, Inc.).
Key specifications for CTM-2.5X.45SRB-4H: Special Features: .0020 TAP MAX PITCH; Part Name Assigned by Controlling Agency: COILTHREAD STI TAPS; Thread Size and Series/type Designator: 3.5 ISO M. 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.