The Head,micrometer, cataloged under National Stock Number 5210-01-460-4391, is classified within Federal Supply Class 5210 (Measuring Tools, Craftsmen's) of the Measuring Tools group. The manufacturer of record is L.s. Starrett Company (the) Div Tool Division. Government technical data includes 5 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5210-01-460-4391 |
| Primary Part Number | 463XRL |
| Item Name | Head,micrometer |
| FSC / FSG | 5210 / 52 — Measuring Tools, Craftsmen's |
| Manufacturer | L.s. Starrett Company (the) Div Tool Division |
| Status | ACTIVE |
| Measurement System | ENGLISH |
| Locking Device | INCLUDED |
| Clamping Surface Diameter | 0.375 INCHES NOMINAL IN |
| Smallest Graduation Unit | THOUSANDTHS OF AN INCH |
| Measurement Range | +0.000 TO 0.500 INCHES IN |
| 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 |
|---|---|
| 463XRL PRIMARY | L.s. Starrett Company (the) Div Tool Division (USA) |
| 9390C10 | Curtiss-Wright Electro-Mechanical Corporation Div Curtiss-Wright Emd (USA) |
| Reference | Meaning |
|---|---|
| 463R | 5/9 Secondary reference L.s. Starrett Company (the) Div Tool Division |
| 463R-.5 | 5/9 Secondary reference L.s. Starrett Company (the) Div Tool Division |
NSN 5210-01-460-4391 is a Head,micrometer, manufactured by L.s. Starrett Company (the) Div Tool Division, classified under FSC 5210, Measuring Tools, Craftsmen's. Status: active.
NSN 5210-01-460-4391 has 2 manufacturer part numbers on file: 463XRL (L.s. Starrett Company (the) Div Tool Division), 9390C10 (Curtiss-Wright Electro-Mechanical Corporation Div Curtiss-Wright Emd).
Key specifications for 463XRL: Measurement System: ENGLISH; Locking Device: INCLUDED; Clamping Surface Diameter: 0.375 INCHES NOMINAL IN; Smallest Graduation Unit: THOUSANDTHS OF AN INCH. 5 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.