The Punch,drive Pin, cataloged under National Stock Number 5120-01-591-8384, is classified within Federal Supply Class 5120 (Hand Tools, Nonedged, Nonpowered) of the Hand Tools group. The manufacturer of record is Mayhew Steel Products Inc. Government technical data includes 7 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5120-01-591-8384 |
| Primary Part Number | 21704 |
| Item Name | Punch,drive Pin |
| FSC / FSG | 5120 / 51 — Hand Tools, Nonedged, Nonpowered |
| Manufacturer | Mayhew Steel Products Inc |
| Status | ACTIVE |
| Shank Diameter | 0.313 INCHES NOMINAL IN |
| Features Provided | KNURLED SHANK |
| Shank Shape | ROUND |
| Specification/standard Data | 05047-ASME B107.410 CAT 48 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| Nondefinitive Spec/std Data | 2 TYPE AND 5 CLASS |
| Point Size | 0.156 INCHES IN |
| Material | STEEL |
| 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 |
|---|---|
| 21704 | Mayhew Steel Products Inc (USA) |
| MAY 21704 | Kipper Tool Company Dba Kipper Management Inc (USA) |
| Reference | Meaning |
|---|---|
| B107.410 CAT 48 TY2CL5 | 5/1 Secondary reference U.S. Government activity |
| B107.48 | 5/9 Secondary reference The American Society of Mechanical Engineers |
| B107.410 | 3/1 Design control — primary reference The American Society of Mechanical Engineers |
| B107.48 TY2CL5 | 5/9 Secondary reference U.S. Government activity |
NSN 5120-01-591-8384 is a Punch,drive Pin, manufactured by Mayhew Steel Products Inc, classified under FSC 5120, Hand Tools, Nonedged, Nonpowered. Status: active.
NSN 5120-01-591-8384 has 2 manufacturer part numbers on file: 21704 (Mayhew Steel Products Inc), MAY 21704 (Kipper Tool Company Dba Kipper Management Inc).
1 possible match (shared part number, not a government interchangeability claim): 6520-01-591-8903. Verify interchangeability with system specifications before substitution.
Key specifications for 21704: Shank Diameter: 0.313 INCHES NOMINAL IN; Overall Length: 4.000 INCHES NOMINAL IN; Features Provided: KNURLED SHANK; Shank Shape: ROUND. 7 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.