The Gage,headspace, cataloged under National Stock Number 5220-01-546-0567, is classified within Federal Supply Class 5220 (Inspection Gages and Precision Layout Tools) of the Measuring Tools group. The manufacturer of record is Charles Reed Knight Jr Dba Knight's Armament Company. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Gage,headspace |
| FSC / FSG | 5220 — Inspection Gages and Precision Layout Tools (FSG 52) |
| Manufacturers | Charles Reed Knight Jr Dba Knight's Armament Company (CAGE 1S002) |
| Parameter | Value |
|---|---|
| NSN | 5220-01-546-0567 |
| Primary Part Number | 23020 |
| Item Name | Gage,headspace |
| FSC / FSG | 5220 / 52 — Inspection Gages and Precision Layout Tools |
| Manufacturer | Charles Reed Knight Jr Dba Knight's Armament Company |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| 23020 PRIMARY | Charles Reed Knight Jr Dba Knight's Armament Company (USA) |
NSN 5220-01-546-0567 is a Gage,headspace, manufactured by Charles Reed Knight Jr Dba Knight's Armament Company, classified under FSC 5220, Inspection Gages and Precision Layout Tools. Status: active.
NSN 5220-01-546-0567 has 1 manufacturer part number on file: 23020 (Charles Reed Knight Jr Dba Knight's Armament Company).
2 possible matches (shared part number, not a government interchangeability claim): 7830-01-546-6902, 5305-01-624-1161. Verify interchangeability with system specifications before substitution.
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.