The Guage,firing Pin Hole Diameter, cataloged under National Stock Number 5340-01-549-4393, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is American Apex Corporation. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Guage,firing Pin Hole Diameter |
| FSC / FSG | 5340 — Hardware, Commercial (FSG 53) |
| Manufacturers | American Apex Corporation (CAGE 04CK0); G3 Systems Limited (CAGE KC3S1) |
| Parameter | Value |
|---|---|
| NSN | 5340-01-549-4393 |
| Primary Part Number | 50204 |
| Item Name | Guage,firing Pin Hole Diameter |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | American Apex Corporation |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 50204 PRIMARY | American Apex Corporation (USA) |
| G28.404.000.5340 | G3 Systems Limited (GBR) |
| Reference | Meaning |
|---|---|
| 10203025 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
NSN 5340-01-549-4393 is a Guage,firing Pin Hole Diameter, manufactured by American Apex Corporation, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-549-4393 has 2 manufacturer part numbers on file: 50204 (American Apex Corporation), G28.404.000.5340 (G3 Systems Limited).
Possible hazard — SDS may be required (DLA HMIC P). 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.