The Shaft and Block Assembly, cataloged under National Stock Number 6220-00-520-2603, is classified within Federal Supply Class 6220 (Electric Vehicular Lights and Fixtures) of the Lighting Fixtures and Lamps group. The manufacturer of record is Grimes Aerospace Company. 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. 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 | 6220-00-520-2603 |
| Primary Part Number | A-6930 |
| Item Name | Shaft and Block Assembly |
| FSC / FSG | 6220 / 62 — Electric Vehicular Lights and Fixtures |
| Manufacturer | Grimes Aerospace Company |
| Status | ACTIVE |
| General Characteristics Item Description | FSCM 72914 CLAMP-WIRE P/N A-6927 QTY 1,PILLOW BLOCK P/N A-6901 QTY 1,ROLL PIN P/N 79-022-094-0437 QTY 1,SHAFT-EXTEND P/N A-6928 QTY 1 |
| 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 |
|---|---|
| A-6930 PRIMARY | Grimes Aerospace Company (USA) |
NSN 6220-00-520-2603 is a Shaft and Block Assembly, manufactured by Grimes Aerospace Company, classified under FSC 6220, Electric Vehicular Lights and Fixtures. Status: active.
NSN 6220-00-520-2603 has 1 manufacturer part number on file: A-6930 (Grimes Aerospace Company).
1 possible match (shared part number, not a government interchangeability claim): 3040-01-423-1999. Verify interchangeability with system specifications before substitution.
Key specifications for A-6930: General Characteristics Item Description: FSCM 72914 CLAMP-WIRE P/N A-6927 QTY 1,PILLOW BLOCK P/N A-6901 QTY 1,ROLL PIN P/N 79-022-094-0437 QTY 1,SHAFT-EXTEND P/N A-6928 QTY 1. 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.