The Gage Block Set, cataloged under National Stock Number 5210-00-401-4684, 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 2 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5210-00-401-4684 |
| Primary Part Number | RC81AA |
| Item Name | Gage Block Set |
| FSC / FSG | 5210 / 52 — Measuring Tools, Craftsmen's |
| Manufacturer | L.s. Starrett Company (the) Div Tool Division |
| Status | ACTIVE |
| Component Quantity | 81 |
| Nonsupply Items and Quantities | CONTAINS ACCURACY GRADE 1 BLOCKS WITH PORM 2 MILLIONTHS OF AN INCH ACCURACY; RANGE 0.100 TO 12.000 IN. IN STEPS OF 0.001 IN.,0.200 TO 12.000 IN. IN STEPS OF 0.0001 IN.; INCLUDED IN SET ARE 9 BLOCKS 0.1001 THRU 0.1009 (STEPS OF 0.0001),49 BLOCKS 0.101 THRU 0.149 (STEPS OF 0.001),19 BLOCKS 0.050 THRU 0.950 (STEPS OF 0.050),4 BLOCKS 1.000 THRU 4.000 (STEPS OF 1 INCH) 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 |
|---|---|
| RC81AA PRIMARY | L.s. Starrett Company (the) Div Tool Division (USA) |
NSN 5210-00-401-4684 is a Gage Block Set, manufactured by L.s. Starrett Company (the) Div Tool Division, classified under FSC 5210, Measuring Tools, Craftsmen's. Status: active.
NSN 5210-00-401-4684 has 1 manufacturer part number on file: RC81AA (L.s. Starrett Company (the) Div Tool Division).
Key specifications for RC81AA: Component Quantity: 81; Nonsupply Items and Quantities: CONTAINS ACCURACY GRADE 1 BLOCKS WITH PORM 2 MILLIONTHS OF AN INCH ACCURACY; RANGE 0.100 TO 12.000 IN. IN STEPS OF 0.001 IN.,0.200 TO 12.000 IN. IN STEPS OF 0.0001 IN.; INCLUDED IN SET ARE 9 BLOCKS 0.1001 THRU 0.1009 (STEPS OF 0.0001),49 BLOCKS 0.101 THRU 0.149 (STEPS OF 0.001),19 BLOCKS 0.050 THRU 0.950 (STEPS OF 0.050),4 BLOCKS 1.000 THRU 4.000 (STEPS OF 1 INCH) IN. 2 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.