The Stone,gage Block, cataloged under National Stock Number 5210-01-521-9181, 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 1 specification, 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5210-01-521-9181 |
| Primary Part Number | 93025 |
| Item Name | Stone,gage Block |
| FSC / FSG | 5210 / 52 — Measuring Tools, Craftsmen's |
| Manufacturer | L.s. Starrett Company (the) Div Tool Division |
| Status | ACTIVE |
| General Characteristics Item Description | SINTERED ALUMINUM OXIDE; 5/16 IN. THICK X 1 IN. WIDTH X 3 IN. LG; FOR REMOVING SMALL NICKS AND BURRS ON SURFACES OF GAGE BLOCKS; USE WITH STEEL, CERAMIC OR CARBIDE BLOCKS IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
NSN 5210-01-521-9181 is a Stone,gage Block, manufactured by L.s. Starrett Company (the) Div Tool Division, classified under FSC 5210, Measuring Tools, Craftsmen's. Status: active.
NSN 5210-01-521-9181 has 2 manufacturer part numbers on file: SAO13 (L.s. Starrett Company (the) Div Tool Division), 93025 (L.s. Starrett Company (the) Div Tool Division).
Key specifications for 93025: General Characteristics Item Description: SINTERED ALUMINUM OXIDE; 5/16 IN. THICK X 1 IN. WIDTH X 3 IN. LG; FOR REMOVING SMALL NICKS AND BURRS ON SURFACES OF GAGE BLOCKS; USE WITH STEEL, CERAMIC OR CARBIDE BLOCKS IN. 1 specification is 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.