The Sear, cataloged under National Stock Number 1010-00-181-3413, is classified within Federal Supply Class 1010 (Guns, Over 30mm up to 75mm) of the Weapons group. The manufacturer of record is Army, United States Department of the Dba Rock Island Arsenal Jmtc. Government technical data includes 8 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 1010-00-181-3413 |
| Primary Part Number | 8448342 |
| Item Name | Sear |
| FSC / FSG | 1010 / 10 — Guns, Over 30mm up to 75mm |
| Manufacturer | Army, United States Department of the Dba Rock Island Arsenal Jmtc |
| Status | ACTIVE |
| FSC Application Data | LAUNCHER,GRENADE,40MM MM |
| Mechanism Held | FIRING PIN |
| Weapon Model Number | M203 |
| Material Document and Classification | MIL-S-5000, COMP 4340 MIL SPEC SINGLE MATERIAL RESPONSE |
| Weapon Size Designation | 40 MILLIMETER MM |
| Surface Treatment | PHOSPHATE MANGANESE |
| Material | STEEL COMP 4340 |
| Metallic Hardness Rating | 48.0 MINIMUM ROCKWELL C AND 52.0 MAXIMUM ROCKWELL C |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 8448342 PRIMARY | Army, United States Department of the Dba Rock Island Arsenal Jmtc (USA) |
| Reference | Meaning |
|---|---|
| 8448342 | 5/9 Secondary reference Airtronic Usa, Inc. Div Medical / Aviation |
NSN 1010-00-181-3413 is a Sear, manufactured by Army, United States Department of the Dba Rock Island Arsenal Jmtc, classified under FSC 1010, Guns, Over 30mm up to 75mm. Status: active.
NSN 1010-00-181-3413 has 1 manufacturer part number on file: 8448342 (Army, United States Department of the Dba Rock Island Arsenal Jmtc).
Key specifications for 8448342: FSC Application Data: LAUNCHER,GRENADE,40MM MM; Mechanism Held: FIRING PIN; Weapon Model Number: M203; Material Document and Classification: MIL-S-5000, COMP 4340 MIL SPEC SINGLE MATERIAL RESPONSE. 8 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 1010-00-181-3413 has DEMIL Code D. 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.