The Window,dial, cataloged under National Stock Number 5355-00-667-3682, is classified within Federal Supply Class 5355 (Knobs and Pointers) of the Hardware and Abrasives group. The manufacturer of record is L3 Technologies, Inc.. Government technical data includes 5 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. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5355-00-667-3682 |
| Primary Part Number | A4778 |
| Item Name | Window,dial |
| FSC / FSG | 5355 / 53 — Knobs and Pointers |
| Manufacturer | L3 Technologies, Inc. |
| Status | ACTIVE |
| Outside Diameter | 3.375 INCHES NOMINAL IN |
| Material Thickness | 0.250 INCHES NOMINAL IN |
| Color | RED |
| Material | PLASTIC |
| Attachment Method | CLAMP |
| 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 |
|---|---|
| A4778 PRIMARY | L3 Technologies, Inc. (USA) |
NSN 5355-00-667-3682 is a Window,dial, manufactured by L3 Technologies, Inc., classified under FSC 5355, Knobs and Pointers. Status: active.
NSN 5355-00-667-3682 has 1 manufacturer part number on file: A4778 (L3 Technologies, Inc.).
2 possible matches (shared part number, not a government interchangeability claim): 3439-01-411-5116, 3439-01-411-5119. Verify interchangeability with system specifications before substitution.
Key specifications for A4778: Outside Diameter: 3.375 INCHES NOMINAL IN; Material Thickness: 0.250 INCHES NOMINAL IN; Color: RED; Material: PLASTIC. 5 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.