The Rocket Motor, cataloged under National Stock Number 1340-01-416-1878, is classified within Federal Supply Class 1340 (Rockets, Rocket Ammunition and Rocket Components) of the Ammunition and Explosives group. The manufacturer of record is Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier. Government technical data includes 15 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 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1340-01-416-1878 |
| Primary Part Number | 233AS500-1 |
| Item Name | Rocket Motor |
| FSC / FSG | 1340 / 13 — Rockets, Rocket Ammunition and Rocket Components |
| Manufacturer | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier |
| Status | ACTIVE |
| Igniter Model Number | MK 66 MOD 2 |
| Propellant Inhibitor | INCLUDED |
| Motor Propellant Grain Weight | 7.1 POUNDS LBS |
| Net Explosive Weight | 7.12205 STORAGE POUNDS AND 7.12205 TRANSPORTATION POUNDS |
| Straight Section Outside Diameter | 2.750 INCHES NOMINAL IN |
| Dot Registration Code | EX1987080595A |
| Dod Ammunition Code | 1340-HA03 |
| Igniter | INCLUDED |
| Size Designation | 2.75 INCH IN |
| Hazardous Material Classification Code | 1.3 DEPARTMENT OF DEFENSE HAZARD CLASS DIVISION |
| Package Reference Number | 233AS424 US NAVY |
| Motor Propellant Grain Model Number | MK 90 MOD 0 |
| Motor Propellant Grain Quantity | 1 |
| Integral Stabilization Method | FIN |
| Igniter Installation | INSTALLED |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL G — Ammunition & Explosives |
| Hazard | No hazard code in the DLA record (HMIC N) 1.3 DEPARTMENT OF DEFENSE HAZARD CLASS DIVISION |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 233AS500-1 PRIMARY | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA) |
NSN 1340-01-416-1878 is a Rocket Motor, manufactured by Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier, classified under FSC 1340, Rockets, Rocket Ammunition and Rocket Components. Status: active.
NSN 1340-01-416-1878 has 1 manufacturer part number on file: 233AS500-1 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier).
1 possible match (shared part number, not a government interchangeability claim): 1340-01-416-1887. Verify interchangeability with system specifications before substitution.
Key specifications for 233AS500-1: Igniter Model Number: MK 66 MOD 2; Propellant Inhibitor: INCLUDED; Motor Propellant Grain Weight: 7.1 POUNDS LBS; Net Explosive Weight: 7.12205 STORAGE POUNDS AND 7.12205 TRANSPORTATION POUNDS. 15 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). The government record also carries hazard data: DOT hazard class, UN number, or related classification fields. Special handling, storage, and shipping requirements apply per the cited government fields.
NSN 1340-01-416-1878 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.