The Cartridge,40 Millimeter, cataloged under National Stock Number 1310-01-663-7617, is classified within Federal Supply Class 1310 (Ammunition, Over 30mm up to 75mm) of the Ammunition and Explosives group. The manufacturer of record is Combined Systems Inc. Government technical data includes 3 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1310-01-663-7617 |
| Primary Part Number | 4550 |
| Item Name | Cartridge,40 Millimeter |
| FSC / FSG | 1310 / 13 — Ammunition, Over 30mm up to 75mm |
| Manufacturer | Combined Systems Inc |
| Status | ACTIVE |
| Cartridge Case Length | 101.6 MILLIMETER MM |
| Unable to Decode | UNABLE TO DECODE |
| Cartridge Grouping Type | SINGLE ROUND |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL G — Ammunition & Explosives |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 4550 PRIMARY | Combined Systems Inc (USA) |
NSN 1310-01-663-7617 is a Cartridge,40 Millimeter, manufactured by Combined Systems Inc, classified under FSC 1310, Ammunition, Over 30mm up to 75mm. Status: active.
NSN 1310-01-663-7617 has 1 manufacturer part number on file: 4550 (Combined Systems Inc).
Key specifications for 4550: Cartridge Case Length: 101.6 MILLIMETER MM; Unable to Decode: UNABLE TO DECODE; Cartridge Grouping Type: SINGLE ROUND; Special Features: MARKING POWDER (ORANGE);FOR USE WITH ALL 40MM LAUNCHERS, M203, M79, AND MULTI-LAUNCHER TYPE;50 YARD EFFECTIVE RANGE;290-320 FEET PER SECOND VELOCITY MM. 3 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.
NSN 1310-01-663-7617 has DEMIL Code G. Demilitarization may be required before disposal or transfer to non-military entities.
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.