The Contact Point,measuring Instrume, cataloged under National Stock Number 5210-01-343-3859, is classified within Federal Supply Class 5210 (Measuring Tools, Craftsmen's) of the Measuring Tools group. The manufacturer of record is Mahr Inc. Government technical data includes 4 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. 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 | 5210-01-343-3859 |
| Primary Part Number | AL-19 |
| Item Name | Contact Point,measuring Instrume |
| FSC / FSG | 5210 / 52 — Measuring Tools, Craftsmen's |
| Manufacturer | Mahr Inc |
| Status | ACTIVE |
| Point Length | 0.125 INCHES NOMINAL IN |
| Contact Point Style Designator | FLAT |
| Thread Characteristics | 4-48 UNF |
| Material | STEEL CONTACT POINT |
| 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 |
|---|---|
| AL-19 PRIMARY | Mahr Inc (USA) |
NSN 5210-01-343-3859 is a Contact Point,measuring Instrume, manufactured by Mahr Inc, classified under FSC 5210, Measuring Tools, Craftsmen's. Status: active.
NSN 5210-01-343-3859 has 1 manufacturer part number on file: AL-19 (Mahr Inc).
1 possible match (shared part number, not a government interchangeability claim): 5342-01-530-1453. Verify interchangeability with system specifications before substitution.
Key specifications for AL-19: Point Length: 0.125 INCHES NOMINAL IN; Contact Point Style Designator: FLAT; Thread Characteristics: 4-48 UNF; Material: STEEL CONTACT POINT. 4 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.