The Punch Down Block 50, cataloged under National Stock Number 5999-01-577-9504, is classified within Federal Supply Class 5999 (Miscellaneous Electrical and Electronic Components) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Krone Inc. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5999-01-577-9504 |
| Primary Part Number | 6552-1-880-10 |
| Item Name | Punch Down Block 50 |
| FSC / FSG | 5999 / 59 — Miscellaneous Electrical and Electronic Components |
| Manufacturer | Krone Inc |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Shelf Life Code | 0 |
| Criticality Code | X |
| Unit of Issue | EA |
| Acquisition advice code | J |
| Weight | 0.6600 lbs |
| Cube | 0.0417 cu ft |
| Part Number | Manufacturer |
|---|---|
| 722149 | Cdw Government Llc (USA) |
| 6552-1-880-10 PRIMARY | Krone Inc (USA) |
NSN 5999-01-577-9504 is a Punch Down Block 50, manufactured by Krone Inc, classified under FSC 5999, Miscellaneous Electrical and Electronic Components. Status: active.
NSN 5999-01-577-9504 has 2 manufacturer part numbers on file: 722149 (Cdw Government Llc), 6552-1-880-10 (Krone Inc).
Key specifications for 6552-1-880-10: End Item Identification: SPECTRALINK 6000 (1GKB7), WIRELESS PCS PHONE SYS.. 0 specifications are 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.