The Gage Block, cataloged under National Stock Number 5210-00-229-9517, 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 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 7 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5210-00-229-9517 |
| Primary Part Number | SS500A1 |
| Item Name | Gage Block |
| FSC / FSG | 5210 / 52 — Measuring Tools, Craftsmen's |
| Manufacturer | L.s. Starrett Company (the) Div Tool Division |
| Status | ACTIVE |
| Design Type | W/TIE ROD HOLE |
| Shape | SQUARE |
| Material | STEEL |
| Gaging Size | 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 |
|---|---|
| SS500A1 PRIMARY | L.s. Starrett Company (the) Div Tool Division (USA) |
| Reference | Meaning |
|---|---|
| 614195-3 | 5/9 Secondary reference Mitutoyo Corporation |
| 614195-23 | 5/9 Secondary reference Herman W Yecies Inc Dba New Jersey Engrg & Sup Co |
| GGG-G-15 ST2GR3CL1 | 5/9 Secondary reference U.S. Government activity |
| GGG-G-15 | 5/9 Secondary reference U.S. Government activity |
| GGG-G-15 ST2GRACL1 | 5/9 Secondary reference U.S. Government activity |
NSN 5210-00-229-9517 is a Gage Block, manufactured by L.s. Starrett Company (the) Div Tool Division, classified under FSC 5210, Measuring Tools, Craftsmen's. Status: active.
NSN 5210-00-229-9517 has 1 manufacturer part number on file: SS500A1 (L.s. Starrett Company (the) Div Tool Division).
7 possible matches (shared part number, not a government interchangeability claim): 5210-00-229-9521, 5210-00-229-9536, 5210-00-230-2451. Verify interchangeability with system specifications before substitution.
Key specifications for SS500A1: Design Type: W/TIE ROD HOLE; Shape: SQUARE; Special Features: TOLERANCE GRADE-2; HOLE DIAM. .265IN. - TO .005IN.; GAGE HARDNESS 62 HRC MINIMUM IN; Material: STEEL. 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.