The Yoke,periscope, cataloged under National Stock Number 1240-01-160-0149, 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 1 manufacturer part number 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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.
| Parameter | Value |
|---|---|
| NSN | 1240-01-160-0149 |
| Primary Part Number | 2047398 PIECE 5 |
| Item Name | Yoke,periscope |
| FSC / FSG | 1240 / 12 — Optical Sighting and Ranging Equipment |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| General Characteristics Item Description | STEEL,CORROSION RESISTANT; 3.438 IN. LG; 1.000 IN. DIA IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 2047398 PIECE 5 | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| SSN671-400-2047398 PIECE 5 | 3/2 Design control — primary reference U.S. Government activity |
| 71631-01X12 PIECE 5 | 5/2 Secondary reference U.S. Government activity |
NSN 1240-01-160-0149 is a Yoke,periscope, manufactured by Naval Sea Systems Command, classified under FSC 1240, Optical Sighting and Ranging Equipment. Status: active.
NSN 1240-01-160-0149 has 1 manufacturer part number on file: 2047398 PIECE 5 (Naval Sea Systems Command).
Key specifications for 2047398 PIECE 5: General Characteristics Item Description: STEEL,CORROSION RESISTANT; 3.438 IN. LG; 1.000 IN. DIA IN. 1 specification is 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.
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.