The Tap Box,isdn, cataloged under National Stock Number 5840-01-537-0430, is classified within Federal Supply Class 5840 (Radar Equipment, Except Airborne) of the Communication, Detection, and Coherent Radiation Equipment group. The manufacturer of record is Leidos, Inc.. Government technical data includes 3 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5840-01-537-0430 |
| Primary Part Number | 00663860405-100-38 |
| Item Name | Tap Box,isdn |
| FSC / FSG | 5840 / 58 — Radar Equipment, Except Airborne |
| Manufacturer | Leidos, Inc. |
| Status | ACTIVE |
| Supplementary Features | N/H/A VOICE RECORDER RACK |
| Criticality Code Justification | CBBL |
| Features Provided | ELECTROSTATIC SENSITIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | Y |
| Part Number | Manufacturer |
|---|---|
| 00663860405-100-38 PRIMARY | Leidos, Inc. (USA) |
| 40172A-114-10 | Nice Cti Systems Uk Ltd (GBR) |
| Reference | Meaning |
|---|---|
| 00663860405 | D/9 Drawing number reference only U.S. Government activity |
NSN 5840-01-537-0430 is a Tap Box,isdn, manufactured by Leidos, Inc., classified under FSC 5840, Radar Equipment, Except Airborne. Status: active.
NSN 5840-01-537-0430 has 2 manufacturer part numbers on file: 00663860405-100-38 (Leidos, Inc.), 40172A-114-10 (Nice Cti Systems Uk Ltd).
1 possible match (shared part number, not a government interchangeability claim): 5840-01-537-1477. Verify interchangeability with system specifications before substitution.
Key specifications for 00663860405-100-38: Supplementary Features: N/H/A VOICE RECORDER RACK; Criticality Code Justification: CBBL; Features Provided: ELECTROSTATIC SENSITIVE; End Item Identification: AN/TPN-19A A. 3 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 5840-01-537-0430 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.