The Screw Base,intermediate, cataloged under National Stock Number 9905-01-406-8440, is classified within Federal Supply Class 9905 (Signs, Advertising Displays, and Identification Plates) of the Miscellaneous group. Government technical data includes 1 specification, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 9905-01-406-8440 |
| Item Name | Screw Base,intermediate |
| FSC / FSG | 9905 / 99 — Signs, Advertising Displays, and Identification Plates |
| Status | ACTIVE |
| General Characteristics Item Description | FOR LIGHT EMITTING DIODE RETROFIT KIT USED ON EXIT SIGNS, CPAL ITEM |
| 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 |
|---|---|
| IS | 3/9 Design control — primary reference Mule Lighting, Inc. |
NSN 9905-01-406-8440 is a Screw Base,intermediate, classified under FSC 9905, Signs, Advertising Displays, and Identification Plates. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 6520-01-497-2631. Verify interchangeability with system specifications before substitution.
Key specifications for 9905-01-406-8440: General Characteristics Item Description: FOR LIGHT EMITTING DIODE RETROFIT KIT USED ON EXIT SIGNS, CPAL ITEM. 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.