The Gage,plug,plain Cylindrical, cataloged under National Stock Number 5220-01-303-9533, is classified within Federal Supply Class 5220 (Inspection Gages and Precision Layout Tools) of the Measuring Tools group. The manufacturer of record is General Electric Company. Government technical data includes 5 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5220-01-303-9533 |
| Primary Part Number | 21C621-133 |
| Item Name | Gage,plug,plain Cylindrical |
| FSC / FSG | 5220 / 52 — Inspection Gages and Precision Layout Tools |
| Manufacturer | General Electric Company |
| Status | ACTIVE |
| Air Groove Feature | INCLUDED |
| Design Type | DOUBLE END |
| Criticality Code Justification | BSDY |
| Features Provided | GO GAGE |
| Gaging Member Outside Diameter | 0.0320 INCHES IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | Y |
| Part Number | Manufacturer |
|---|---|
| 21C621-133 PRIMARY | General Electric Company (USA) |
| Reference | Meaning |
|---|---|
| 21C621 | D/9 Drawing number reference only U.S. Government activity |
NSN 5220-01-303-9533 is a Gage,plug,plain Cylindrical, manufactured by General Electric Company, classified under FSC 5220, Inspection Gages and Precision Layout Tools. Status: active.
NSN 5220-01-303-9533 has 1 manufacturer part number on file: 21C621-133 (General Electric Company).
Key specifications for 21C621-133: Air Groove Feature: INCLUDED; Design Type: DOUBLE END; Criticality Code Justification: BSDY; Features Provided: GO GAGE. 5 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.