NSN 1240-01-453-4481 · NIIN 014534481 · Part number 7057932-2
Naval Sea Systems Command · FSC 1240 — Optical Sighting and Ranging Equipment · FSG 12 — Fire Control Equipment · CAGE 53711
Government record, cited
NSN 1240-01-453-4481 — this item is cataloged by the U.S. Government under National Stock Number 1240-01-453-4481. Manufacturer of record part number: 7057932-2.
Also searched as1240-01-453-4481 ·
1240014534481 ·
NIIN 014534481 ·
01-453-4481 ·
FSC 1240 Optical Sighting and Ranging Equipment · CAGE 53711 · 7057932-2 · 400 7057932 PC 2
FSC: 1240 — Optical Sighting and Ranging Equipment
FSG: 12 — Fire Control Equipment
Primary part number: 7057932-2
Manufacturer: Naval Sea Systems Command
General Description
The Periscope Subassembly, cataloged under National Stock Number 1240-01-453-4481, is classified within Federal Supply Class 1240 (Optical Sighting and Ranging Equipment) of the Fire Control Equipment group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
1240-01-453-4481
Primary Part Number
7057932-2
Item Name
Periscope Subassembly
FSC / FSG
1240 / 12 — Optical Sighting and Ranging Equipment
Other items in FSC 1240 — Optical Sighting and Ranging Equipment
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
1240-00-000-0160
SIGHT UNIT
1240-00-001-4014
1240-00-001-4014 · Item name not on file
1240-00-001-4015
1240-00-001-4015 · Item name not on file
1240-00-001-4488
FILTER,LIGHT,OPTICAL INSTRUMENT
1240-00-003-1076
1240-00-003-1076 · Item name not on file
1240-00-003-8404
1240-00-003-8404 · Item name not on file
1240-00-003-8405
1240-00-003-8405 · Item name not on file
1240-00-003-8406
MOUNT,TELESCOPE
Related Parts in Fire Control Equipment
1240-00-000-0160
SIGHT UNIT
3234001-111
1240-00-001-4014
1240-00-001-4014 · Item name not on file
1240-00-001-4015
1240-00-001-4015 · Item name not on file
1240-00-001-4488
FILTER,LIGHT,OPTICAL INSTRUMENT
178AS168-2
1240-00-003-1076
1240-00-003-1076 · Item name not on file
1240-00-003-8404
1240-00-003-8404 · Item name not on file
1240-00-003-8405
1240-00-003-8405 · Item name not on file
1240-00-003-8406
MOUNT,TELESCOPE
11730901
Frequently Asked Questions
What is NSN 1240-01-453-4481?
NSN 1240-01-453-4481 is a Periscope Subassembly, manufactured by Naval Sea Systems Command, classified under FSC 1240, Optical Sighting and Ranging Equipment. Status: active.
What part numbers are listed for NSN 1240-01-453-4481?
NSN 1240-01-453-4481 has 3 manufacturer part numbers on file: 7057932-2 (U.s.a. Spares Inc.), 400 7057932 PC 2 (Naval Sea Systems Command), 7057932-2 (Naval Sea Systems Command).
What are the specifications of 7057932-2?
Key specifications for 7057932-2: Major Components: SPRING & ROLLER ASSEMBLY; End Item Identification: CATHODIC PROT E/I CAGE 53711. 1 specification is documented in the U.S. Government catalog.
Is NSN 1240-01-453-4481 hazardous material?
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
What is the DEMIL code for NSN 1240-01-453-4481?
NSN 1240-01-453-4481 has DEMIL Code D. Demilitarization may be required before disposal or transfer to non-military entities.
Sources
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.
✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.