NSN 5220-01-550-2391 — this item is cataloged by the U.S. Government under National Stock Number 5220-01-550-2391. Manufacturer of record part number: HG0223G.
Also searched as5220-01-550-2391 ·
5220015502391 ·
NIIN 015502391 ·
01-550-2391 ·
FSC 5220 Inspection Gages and Precision Layout Tools · CAGE 7Z500 · HG0223G
The Gage,headspace, cataloged under National Stock Number 5220-01-550-2391, is classified within Federal Supply Class 5220 (Inspection Gages and Precision Layout Tools) of the Measuring Tools group. The manufacturer of record is Bushmaster Firearms International, Llc. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
5220-01-550-2391
Primary Part Number
HG0223G
Item Name
Gage,headspace
FSC / FSG
5220 / 52 — Inspection Gages and Precision Layout Tools
Other items in FSC 5220 — Inspection Gages and Precision Layout Tools
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5220-00-001-1255
LEVEL,PRECISION,MASTER
5220-00-001-2242
5220-00-001-2242 · Item name not on file
5220-00-001-2243
5220-00-001-2243 · Item name not on file
5220-00-001-2673
5220-00-001-2673 · Item name not on file
5220-00-001-2674
5220-00-001-2674 · Item name not on file
5220-00-001-2691
5220-00-001-2691 · Item name not on file
5220-00-001-2692
5220-00-001-2692 · Item name not on file
5220-00-001-2693
5220-00-001-2693 · Item name not on file
Frequently Asked Questions
What is NSN 5220-01-550-2391?
NSN 5220-01-550-2391 is a Gage,headspace, manufactured by Bushmaster Firearms International, Llc, classified under FSC 5220, Inspection Gages and Precision Layout Tools. Status: active.
What part numbers are listed for NSN 5220-01-550-2391?
NSN 5220-01-550-2391 has 1 manufacturer part number on file: HG0223G (Bushmaster Firearms International, Llc).
What are the specifications of HG0223G?
Key specifications for HG0223G: Special Features: KIT CONSISTS OF 3 .223 CAL HEADSPACE GAUGES; GO-GAUGE 1; NO-GO-GAUGE 1; ABD FIELD GAUGE 1. 0 specifications are documented in the U.S. Government catalog.
Is NSN 5220-01-550-2391 hazardous material?
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
Sources
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.
✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.