The Wrench,tap and Reamer, cataloged under National Stock Number 5120-01-437-2162, is classified within Federal Supply Class 5120 (Hand Tools, Nonedged, Nonpowered) of the Hand Tools group. The manufacturer of record is Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc. Government technical data includes 3 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5120-01-437-2162 |
| Primary Part Number | YA578A |
| Item Name | Wrench,tap and Reamer |
| FSC / FSG | 5120 / 51 — Hand Tools, Nonedged, Nonpowered |
| Manufacturer | Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc |
| Status | ACTIVE |
| Tap Size Range Accommodated | +0.250 TO 0.500 INCHES IN |
| Style Designator | SLIDING "T" HANDLE |
| Material | STEEL OVERALL |
| 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 |
|---|---|
| YA578A PRIMARY | Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc (USA) |
| Reference | Meaning |
|---|---|
| YA578 | 5/9 Secondary reference Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc |
| 5120PL1888017 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
NSN 5120-01-437-2162 is a Wrench,tap and Reamer, manufactured by Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc, classified under FSC 5120, Hand Tools, Nonedged, Nonpowered. Status: active.
NSN 5120-01-437-2162 has 1 manufacturer part number on file: YA578A (Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc).
Key specifications for YA578A: Tap Size Range Accommodated: +0.250 TO 0.500 INCHES IN; Style Designator: SLIDING "T" HANDLE; Overall Length: 4.375 INCHES NOMINAL IN; Special Features: RATCHETING; KNURLED NUT; FOR 1/4 TO 1/2 IN. TAPS IN. 3 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.