The Pad,periscope, cataloged under National Stock Number 2040-01-345-9831, is classified within Federal Supply Class 2040 (Marine Hardware and Hull Items) of the Ship and Marine Equipment group. Government technical data includes 1 specification, cited from the U.S. Government catalog. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2040-01-345-9831 |
| Item Name | Pad,periscope |
| FSC / FSG | 2040 / 20 — Marine Hardware and Hull Items |
| Status | ACTIVE |
| General Characteristics Item Description | DELRIN COMP NO. 150 MATERIAL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| F9930204 | 3/9 Design control — primary reference Naval Ship Engineering Center Philadelphia Division Submarine Antenna Quality Assurance |
| 6809969-4 | C/1 Advisory reference — outside the item-of-supply concept Naval Sea Systems Command |
| 400 5489320 REV-ITEM 4 | 5/9 Secondary reference Naval Sea Systems Command |
| 5489320 | D/9 Drawing number reference only Naval Sea Systems Command |
| 6744238-4 | C/1 Advisory reference — outside the item-of-supply concept Naval Sea Systems Command |
NSN 2040-01-345-9831 is a Pad,periscope, classified under FSC 2040, Marine Hardware and Hull Items. Status: active.
Key specifications for 2040-01-345-9831: General Characteristics Item Description: DELRIN COMP NO. 150 MATERIAL; Special Features: 125 MICROINCH FINISH OVERALL; End Item Identification: SSN 688 CLASS SUBMARINE NO. 1 PERISCOPE SYSTEM. 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.