The Gage Block Set, cataloged under National Stock Number 5210-01-491-8128, 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 10 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 | 5210-01-491-8128 |
| Primary Part Number | RC81 A1X |
| 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 |
| Document Type | MFR CATALOG |
| Accessory Identifying Number | AC11A IN CROBLOX AND STEEL CATALOG NO. |
| Component Document Page Number | 538 |
| Document Identification | NUMBER 29 AND BULLETINS 45/46 |
| Supplementary Features | RECTANGAL GAGE BLOCK SET WITH AC CESSORIES |
| Component Document Origin | INDUSTRIAL |
| Document Source | 57163 |
| Furnished Items | ACCESSORIES-CROBLOX/STEEL |
| Special Markings | IF REQUIRED,ETCHED SERIAL NUMBERSUP TO 6 DIGITS WILL BE PROVIDED |
| 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 |
|---|---|
| RC81 A1X PRIMARY | L.s. Starrett Company (the) Div Tool Division (USA) |
NSN 5210-01-491-8128 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 5210-01-491-8128 has 1 manufacturer part number on file: RC81 A1X (L.s. Starrett Company (the) Div Tool Division).
Key specifications for RC81 A1X: Component Quantity: 81; Document Type: MFR CATALOG; Accessory Identifying Number: AC11A IN CROBLOX AND STEEL CATALOG NO.; Component Document Page Number: 538. 10 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.