The Fire Thru Latch, cataloged under National Stock Number 1420-01-255-0796, is classified within Federal Supply Class 1420 (Guided Missile Components) of the Guided Missiles group. The manufacturer of record is Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier. Government technical data includes 4 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 1420-01-255-0796 |
| Primary Part Number | 642AS1780-1 |
| Item Name | Fire Thru Latch |
| FSC / FSG | 1420 / 14 — Guided Missile Components |
| Manufacturer | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier |
| Status | ACTIVE |
| FSC Application Data | GUIDED MISSILE COMPONENT |
| Fragility Factor | RUGGED |
| General Characteristics Item Description | STEEL; 2.310 IN. LG; 0.750 IN. W; 0.375 IN. H IN |
| Cubic Measure | 0.650 CUBIC INCHES |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 642AS1780-1 PRIMARY | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA) |
| Reference | Meaning |
|---|---|
| 642AS1780-1 | 5/9 Secondary reference The Boeing Company Div Defense |
NSN 1420-01-255-0796 is a Fire Thru Latch, manufactured by Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier, classified under FSC 1420, Guided Missile Components. Status: active.
NSN 1420-01-255-0796 has 1 manufacturer part number on file: 642AS1780-1 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier).
Key specifications for 642AS1780-1: FSC Application Data: GUIDED MISSILE COMPONENT; Fragility Factor: RUGGED; General Characteristics Item Description: STEEL; 2.310 IN. LG; 0.750 IN. W; 0.375 IN. H IN; Cubic Measure: 0.650 CUBIC INCHES. 4 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 1420-01-255-0796 has DEMIL Code B. 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.