The Internal Bearing,periscope,aft, cataloged under National Stock Number 2040-01-525-8610, is classified within Federal Supply Class 2040 (Marine Hardware and Hull Items) of the Ship and Marine Equipment group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 3 specifications, 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2040-01-525-8610 |
| Primary Part Number | 7486898-3 |
| Item Name | Internal Bearing,periscope,aft |
| FSC / FSG | 2040 / 20 — Marine Hardware and Hull Items |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Overall Diameter | 13.000 INCHES NOMINAL IN |
| Criticality Code Justification | FEAT |
| Material | NICKEL ALLOY |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | Y |
| Part Number | Manufacturer |
|---|---|
| 7486898-3 PRIMARY | Naval Sea Systems Command (USA) |
NSN 2040-01-525-8610 is a Internal Bearing,periscope,aft, manufactured by Naval Sea Systems Command, classified under FSC 2040, Marine Hardware and Hull Items. Status: active.
NSN 2040-01-525-8610 has 1 manufacturer part number on file: 7486898-3 (Naval Sea Systems Command).
Key specifications for 7486898-3: Overall Diameter: 13.000 INCHES NOMINAL IN; Criticality Code Justification: FEAT; Overall Length: 5.312 INCHES NOMINAL IN; Special Features: WEAPON SYSTEM ESSENTIAL, CRITICAL; FLANGE END, 15 - .531 INCH BOLT HOLES, 4 - .375-18 UNC 2B THREADED HOLES, ON 9.25 INCH BOLT CIRCLE; 7.505 INCH I.D. IN. 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.
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.