The Switch Arming, cataloged under National Stock Number 1325-01-471-1801, is classified within Federal Supply Class 1325 (Bombs) of the Ammunition and Explosives group. Government technical data includes 3 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 1325-01-471-1801 |
| Item Name | Switch Arming |
| FSC / FSG | 1325 / 13 — Bombs |
| Status | ACTIVE |
| General Characteristics Item Description | SWITCH,ARMING,SAFETY MK122-0 USED W/FUZE FMU-139,152,MK376,DSU-33,MK43 TARGET DETECTING DEVICE.PACKAGED 72 SW WITH 2 WRENCHES PER M592 CONTAINER. |
| Precious Material | SILVER |
| Reference Number Differentiating Characteristics | SHIPPED IN M592 CONTAINER |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 1325-GW03 | 6/9 Informative reference only U.S. Government activity |
| 2288036 | 3/1 Design control — primary reference Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier |
NSN 1325-01-471-1801 is a Switch Arming, classified under FSC 1325, Bombs. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 1325-01-629-3516. Verify interchangeability with system specifications before substitution.
Key specifications for 1325-01-471-1801: General Characteristics Item Description: SWITCH,ARMING,SAFETY MK122-0 USED W/FUZE FMU-139,152,MK376,DSU-33,MK43 TARGET DETECTING DEVICE.PACKAGED 72 SW WITH 2 WRENCHES PER M592 CONTAINER.; Precious Material: SILVER; Reference Number Differentiating Characteristics: SHIPPED IN M592 CONTAINER. 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 1325-01-471-1801 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.