The Indicator,dial, cataloged under National Stock Number 5210-01-630-3555, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5210-01-630-3555 |
| Primary Part Number | 657EZ |
| Item Name | Indicator,dial |
| FSC / FSG | 5210 / 52 — Measuring Tools, Craftsmen's |
| Manufacturer | L.s. Starrett Company (the) Div Tool Division |
| Status | ACTIVE |
| Dial Marking | 0-25-0 |
| Contact Point Style Designator | REGULAR |
| Overall Diameter | 2.250 INCHES NOMINAL IN |
| Dial Type | BALANCED |
| Contact Point Location | STEM |
| Contact Point Action Type | PLUNGER |
| Accessory Components and Quantity | MAGNETIC BASE, POST, SNUG, ROD, BUSHING AND PROTECTIVE CASE |
| Measurement Capacity | 0.125 INCHES IN |
| Graduation Unit | 0.0005 INCHES IN |
| Bearing Type | JEWEL |
| 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 |
|---|---|
| 657EZ PRIMARY | L.s. Starrett Company (the) Div Tool Division (USA) |
| Reference | Meaning |
|---|---|
| 11B5090412 | 7/2 Vendor item drawing reference Devcom Chemical Biological Center Dba Chemical Biological Center Div U.s. Dept of Army |
NSN 5210-01-630-3555 is a Indicator,dial, manufactured by L.s. Starrett Company (the) Div Tool Division, classified under FSC 5210, Measuring Tools, Craftsmen's. Status: active.
NSN 5210-01-630-3555 has 1 manufacturer part number on file: 657EZ (L.s. Starrett Company (the) Div Tool Division).
Key specifications for 657EZ: Dial Marking: 0-25-0; Contact Point Style Designator: REGULAR; Overall Diameter: 2.250 INCHES NOMINAL IN; Dial Type: BALANCED. 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.