The Tap,thread Cutting, cataloged under National Stock Number 5136-01-633-9131, is classified within Federal Supply Class 5136 (Taps, Dies, and Collets; Hand and Machine) of the Hand Tools group. The manufacturer of record is Howmet Global Fastening Systems Inc. Government technical data includes 6 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5136-01-633-9131 |
| Primary Part Number | 43545 |
| Item Name | Tap,thread Cutting |
| FSC / FSG | 5136 / 51 — Taps, Dies, and Collets; Hand and Machine |
| Manufacturer | Howmet Global Fastening Systems Inc |
| Status | ACTIVE |
| Width Across Flats | 0.110 INCHES NOMINAL IN |
| Length | 0.141 INCHES NOMINAL SQUARE END IN |
| Thread Length | 0.687 INCHES NOMINAL IN |
| Style Designator | STRAIGHT FLUTE |
| Material | STEEL OVERALL |
| Thread Size and Series/type Designator | 4-40 UNIFIED NATIONAL COARSE (UNC) |
| 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 |
|---|---|
| 43545 PRIMARY | Howmet Global Fastening Systems Inc (USA) |
NSN 5136-01-633-9131 is a Tap,thread Cutting, manufactured by Howmet Global Fastening Systems Inc, classified under FSC 5136, Taps, Dies, and Collets; Hand and Machine. Status: active.
NSN 5136-01-633-9131 has 1 manufacturer part number on file: 43545 (Howmet Global Fastening Systems Inc).
Key specifications for 43545: Width Across Flats: 0.110 INCHES NOMINAL IN; Length: 0.141 INCHES NOMINAL SQUARE END IN; Thread Length: 0.687 INCHES NOMINAL IN; Style Designator: STRAIGHT FLUTE. 6 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.