The Indicator,dial, cataloged under National Stock Number 5210-01-055-8286, is classified within Federal Supply Class 5210 (Measuring Tools, Craftsmen's) of the Measuring Tools group. The manufacturer of record is B. C. Ames Incorporated. Government technical data includes 13 specifications, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 5210-01-055-8286 |
| Primary Part Number | 201J SD |
| Item Name | Indicator,dial |
| FSC / FSG | 5210 / 52 — Measuring Tools, Craftsmen's |
| Manufacturer | B. C. Ames Incorporated |
| Status | ACTIVE |
| Dial Marking | 0-50-0 |
| Contact Point Style Designator | REGULAR |
| Overall Diameter | 2.250 INCHES NOMINAL IN |
| Cushioned Movement Feature | NOT INCLUDED |
| Lifting Lever | NOT INCLUDED |
| Contact Point Location | STEM |
| Mounting Style | LUG ON CENTER |
| Dial Setting Type | ADJUSTABLE |
| Contact Point Action Type | PLUNGER |
| Tell-Tale Hand | NOT INCLUDED |
| Measurement Capacity | 0.250 INCHES IN |
| Graduation Unit | 0.00100 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 |
NSN 5210-01-055-8286 is a Indicator,dial, manufactured by B. C. Ames Incorporated, classified under FSC 5210, Measuring Tools, Craftsmen's. Status: active.
NSN 5210-01-055-8286 has 2 manufacturer part numbers on file: 201J SD (B. C. Ames Incorporated), 25-141J (L.s. Starrett Company (the) Div Tool Division).
2 possible matches (shared part number, not a government interchangeability claim): 6515-01-233-4373, 4820-01-355-4510. Verify interchangeability with system specifications before substitution.
Key specifications for 201J SD: Dial Marking: 0-50-0; Contact Point Style Designator: REGULAR; Overall Diameter: 2.250 INCHES NOMINAL IN; Cushioned Movement Feature: NOT INCLUDED. 13 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.