The Cover,computer,bottom, cataloged under National Stock Number 1420-00-172-0441, is classified within Federal Supply Class 1420 (Guided Missile Components) of the Guided Missiles group. The manufacturer of record is Tolo Incorporated Dba Bfgoodrich Aerospace, Tolo Division. Government technical data includes 2 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1420-00-172-0441 |
| Primary Part Number | 25653-501-1 |
| Item Name | Cover,computer,bottom |
| FSC / FSG | 1420 / 14 — Guided Missile Components |
| Manufacturer | Tolo Incorporated Dba Bfgoodrich Aerospace, Tolo Division |
| Status | ACTIVE |
| Criticality Code Justification | FEAT |
| Nuclear Hardness Critical Feature | HARDENED |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | M |
| Part Number | Manufacturer |
|---|---|
| 25653-501-1 PRIMARY | Tolo Incorporated Dba Bfgoodrich Aerospace, Tolo Division (USA) |
| Reference | Meaning |
|---|---|
| 25653-501-1 | 5/2 Secondary reference U.S. Government activity |
NSN 1420-00-172-0441 is a Cover,computer,bottom, manufactured by Tolo Incorporated Dba Bfgoodrich Aerospace, Tolo Division, classified under FSC 1420, Guided Missile Components. Status: active.
NSN 1420-00-172-0441 has 1 manufacturer part number on file: 25653-501-1 (Tolo Incorporated Dba Bfgoodrich Aerospace, Tolo Division).
Key specifications for 25653-501-1: Criticality Code Justification: FEAT; Special Features: DESIGN ANALYSIS; End Item Identification: GUIDANCE AND CONTROL,LGM-39 MINUTEMAN MISSILE; Nuclear Hardness Critical Feature: HARDENED. 2 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.
NSN 1420-00-172-0441 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
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.