The Canister,launch, cataloged under National Stock Number 1420-01-283-4741, is classified within Federal Supply Class 1420 (Guided Missile Components) of the Guided Missiles group. The manufacturer of record is Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier. Government technical data includes 7 specifications, cited from the U.S. Government catalog. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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.
| Parameter | Value |
|---|---|
| NSN | 1420-01-283-4741 |
| Primary Part Number | 1657AS1300-1 |
| Item Name | Canister,launch |
| FSC / FSG | 1420 / 14 — Guided Missile Components |
| Manufacturer | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier |
| Status | ACTIVE |
| Model Number | MK7-1 GRAY |
| Package Nominal Overall Height and Type | 47.00 INCHES SHIPPING CONTAINER IN |
| Package Nominal Overall Width and Type | 46.50 INCHES SHIPPING CONTAINER IN |
| General Characteristics Item Description | HARPOON,GRAY,C/O A MODIFIED VERSION OF 642AS0112-4 CANISTER ASSY,KIT SUPPORT 642AS1321-1,PLATE,IDENT 1657AS1309-1,191.85 IN. LG,26.10 IN. W.,25.90 IN. H,PKG 1 PER MK631-0 S-S CNTR IN |
| Package Nominal Overall Length and Type | 217.00 INCHES SHIPPING CONTAINER IN |
| Unable to Decode | UNABLE TO DECODE |
| Gross Weight | 1880.0 SHIPPING CONTAINER POUNDS |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL P — Demil Prior To Sale/Transfer |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | N |
| Part Number | Manufacturer |
|---|---|
| 1657AS1300-1 PRIMARY | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA) |
| 1657AS1300-2 | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA) |
| Reference | Meaning |
|---|---|
| MK7-1 | 5/1 Secondary reference Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier |
NSN 1420-01-283-4741 is a Canister,launch, manufactured by Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier, classified under FSC 1420, Guided Missile Components. Status: active.
NSN 1420-01-283-4741 has 2 manufacturer part numbers on file: 1657AS1300-1 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier), 1657AS1300-2 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier).
Key specifications for 1657AS1300-1: Model Number: MK7-1 GRAY; Package Nominal Overall Height and Type: 47.00 INCHES SHIPPING CONTAINER IN; Package Nominal Overall Width and Type: 46.50 INCHES SHIPPING CONTAINER IN; General Characteristics Item Description: HARPOON,GRAY,C/O A MODIFIED VERSION OF 642AS0112-4 CANISTER ASSY,KIT SUPPORT 642AS1321-1,PLATE,IDENT 1657AS1309-1,191.85 IN. LG,26.10 IN. W.,25.90 IN. H,PKG 1 PER MK631-0 S-S CNTR IN. 7 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 1420-01-283-4741 has DEMIL Code P. 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.