The Tap,thread Cutting, cataloged under National Stock Number 5136-01-177-4290, is classified within Federal Supply Class 5136 (Taps, Dies, and Collets; Hand and Machine) of the Hand Tools group. The manufacturer of record is Spiralock Corp Dba Spiralock Corp Div Spiralock Corporation. Government technical data includes 10 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. 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 | 5136-01-177-4290 |
| Primary Part Number | 17155 |
| Item Name | Tap,thread Cutting |
| FSC / FSG | 5136 / 51 — Taps, Dies, and Collets; Hand and Machine |
| Manufacturer | Spiralock Corp Dba Spiralock Corp Div Spiralock Corporation |
| Status | ACTIVE |
| Shank Diameter | 0.194 INCHES NOMINAL IN |
| Width Across Flats | 0.152 INCHES NOMINAL IN |
| Length | 0.250 INCHES NOMINAL SQUARE END IN |
| Thread Structure | REGULAR |
| Thread Length | 0.875 INCHES NOMINAL IN |
| Style Designator | SPIRAL POINTED FLUTE |
| Flute Quantity | 2 |
| Material | STEEL OVERALL |
| Thread Size and Series/type Designator | 0.190-32 UNF |
| Starting Chamfer Type | PLUG |
| 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 |
|---|---|
| 17155 PRIMARY | Spiralock Corp Dba Spiralock Corp Div Spiralock Corporation (USA) |
NSN 5136-01-177-4290 is a Tap,thread Cutting, manufactured by Spiralock Corp Dba Spiralock Corp Div Spiralock Corporation, classified under FSC 5136, Taps, Dies, and Collets; Hand and Machine. Status: active.
NSN 5136-01-177-4290 has 1 manufacturer part number on file: 17155 (Spiralock Corp Dba Spiralock Corp Div Spiralock Corporation).
2 possible matches (shared part number, not a government interchangeability claim): 5935-01-226-9739, 4320-01-305-8726. Verify interchangeability with system specifications before substitution.
Key specifications for 17155: Shank Diameter: 0.194 INCHES NOMINAL IN; Width Across Flats: 0.152 INCHES NOMINAL IN; Length: 0.250 INCHES NOMINAL SQUARE END IN; Thread Structure: REGULAR. 10 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.