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| 1PN58/NSPU-1 | |
|---|---|
 RPK-74N2 with night scope 1PN58 | |
| Type | Passive |
| Place of origin | Soviet Union |
| Category | Weapon Sight |
| Service history | |
| In service | 1970s–present |
| Used by | Soviet Union Russia Ukraine Numerous others (see users) |
| Wars | Soviet-Afghan War Chechen-Russian conflict South Ossetia War War in Donbass Syrian Civil War Iraq War Numerous Others |
| Production history | |
| Designed | 1970s |
| Produced | 1970s-1991 |
| Specifications | |
| Weight | 2kg (4.4 pounds) |
| Dimensions (L×H×W) | 458 mm × 186 mm × 99 mm |
| Mode of Operation | Passive |
| Field of vision (°) | 14.5 degrees |
| Range of detection | 970m (Starlight) |
| Range of recognition | 400m (Starlight) |
| System zoom | 3.5x |
1PN58 (Russian: 1ПН58) is the GRAU index for a Soviet designed passive night scope for a range of Soviet designed small arms and grenade launchers. 1PN is the GRAU index of night vision devices, where PN stands for Nochnoy Pritsel (Russian: Ночной прицел) meaning night sight. It is also called NSPUM (Russian: НСПУМ). or NSPU-1. The 1PN58 was introduced into Soviet service in the early 1970s and is still used by many of the Soviet Union's successor states, and has been used in numerous conflicts around the world.