The Cap Assembly, cataloged under National Stock Number 4240-00-508-2108, is classified within Federal Supply Class 4240 (Safety and Rescue Equipment) of the Fire Fighting, Rescue, and Safety Equipment group. The manufacturer of record is Avox Systems Inc Dba Avox Systems Inc. Government technical data includes 1 specification, 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 | 4240-00-508-2108 |
| Primary Part Number | 8388-1 |
| Item Name | Cap Assembly |
| FSC / FSG | 4240 / 42 — Safety and Rescue Equipment |
| Manufacturer | Avox Systems Inc Dba Avox Systems Inc |
| Status | ACTIVE |
| General Characteristics Item Description | 1 6262-3 NUT-COUPLING; 1 AN520C10-4 ROUND HEAD SCREW; 1 8142SS-1 BEAD CHAIN; 2 8143SS SOCKET AND RING COUPLING; 1 AN515C6-8 ROUND HEAD SCREW; 1 8398 FLAT WASHER; 1 8376 PLUG |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 8388-1 PRIMARY | Avox Systems Inc Dba Avox Systems Inc (USA) |
NSN 4240-00-508-2108 is a Cap Assembly, manufactured by Avox Systems Inc Dba Avox Systems Inc, classified under FSC 4240, Safety and Rescue Equipment. Status: active.
NSN 4240-00-508-2108 has 1 manufacturer part number on file: 8388-1 (Avox Systems Inc Dba Avox Systems Inc).
Key specifications for 8388-1: General Characteristics Item Description: 1 6262-3 NUT-COUPLING; 1 AN520C10-4 ROUND HEAD SCREW; 1 8142SS-1 BEAD CHAIN; 2 8143SS SOCKET AND RING COUPLING; 1 AN515C6-8 ROUND HEAD SCREW; 1 8398 FLAT WASHER; 1 8376 PLUG. 1 specification is documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). 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.