The Probe Assembly,guided Missile, cataloged under National Stock Number 1420-01-301-0802, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 1420-01-301-0802 |
| Primary Part Number | 1657AS0536-2 |
| Item Name | Probe Assembly,guided Missile |
| FSC / FSG | 1420 / 14 — Guided Missile Components |
| Manufacturer | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier |
| Status | ACTIVE |
| Model Number | FZU-46A/B GRAY A |
| Package Nominal Overall Height and Type | 14.41 INCHES SHIPPING CONTAINER IN |
| Package Nominal Overall Width and Type | 12.35 INCHES SHIPPING CONTAINER IN |
| General Characteristics Item Description | FMU-46A/B LEFT HAND HARPOON GRAY,7.09 IN. LG,5.34 IN. W,2.75 IN. H,A MODIFIED VERSION OF 642AS5900-1 PKG 4 PER CONTAINER P/N 642AS5699 A |
| Package Nominal Overall Length and Type | 15.35 INCHES SHIPPING CONTAINER IN |
| Hazardous Material Classification Code | II-C COAST GUARD CLASS AND 1.4 DEPARTMENT OF DEFENSE HAZARD CLASS DIVISION AND F DEPARTMENT OF TRANSPORTATION CLASS AND I FIREFIGHTING GROUP AND D STORAGE COMPATIBILITY GROUP |
| Unable to Decode | UNABLE TO DECODE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL G — Ammunition & Explosives |
| Hazard | No hazard code in the DLA record (HMIC N) II-C COAST GUARD CLASS AND 1.4 DEPARTMENT OF DEFENSE HAZARD CLASS DIVISION AND F DEPARTMENT OF TRANSPORTATION CLASS AND I FIREFIGHTING GROUP AND D STORAGE COMPATIBILITY GROUP |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 1657AS0536-2 PRIMARY | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA) |
| 1657AS0536-1 PRIMARY | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA) |
| Reference | Meaning |
|---|---|
| FMU-46A/B LHGRAY | 5/1 Secondary reference Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier |
NSN 1420-01-301-0802 is a Probe Assembly,guided Missile, manufactured by Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier, classified under FSC 1420, Guided Missile Components. Status: active.
NSN 1420-01-301-0802 has 2 manufacturer part numbers on file: 1657AS0536-2 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier), 1657AS0536-1 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier).
Key specifications for 1657AS0536-2: Model Number: FZU-46A/B GRAY A; Package Nominal Overall Height and Type: 14.41 INCHES SHIPPING CONTAINER IN; Package Nominal Overall Width and Type: 12.35 INCHES SHIPPING CONTAINER IN; General Characteristics Item Description: FMU-46A/B LEFT HAND HARPOON GRAY,7.09 IN. LG,5.34 IN. W,2.75 IN. H,A MODIFIED VERSION OF 642AS5900-1 PKG 4 PER CONTAINER P/N 642AS5699 A. 7 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 1420-01-301-0802 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.