The Adapter,torque,boresight Knob, cataloged under National Stock Number 4931-00-017-8260, is classified within Federal Supply Class 4931 (Fire Control Maintenance and Repair Shop Specialized Equipment) of the Maintenance and Repair Shop Equipment group. The manufacturer of record is Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate. 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 | 4931-00-017-8260 |
| Primary Part Number | 8566516 |
| Item Name | Adapter,torque,boresight Knob |
| FSC / FSG | 4931 / 49 — Fire Control Maintenance and Repair Shop Specialized Equipment |
| Manufacturer | Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate |
| Status | ACTIVE |
| General Characteristics Item Description | ITEM C/O BRACKET,MATERIAL: STEEL,CARBON,C.R;ADAPTER,MATERIAL: STEEL,CARBON,C.R;BOLT EYE,MATERIAL: STEEL,CARBON,COML |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 8566516 PRIMARY | Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate (USA) |
NSN 4931-00-017-8260 is a Adapter,torque,boresight Knob, manufactured by Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate, classified under FSC 4931, Fire Control Maintenance and Repair Shop Specialized Equipment. Status: active.
NSN 4931-00-017-8260 has 1 manufacturer part number on file: 8566516 (Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate).
1 possible match (shared part number, not a government interchangeability claim): 6145-00-729-9285. Verify interchangeability with system specifications before substitution.
Key specifications for 8566516: General Characteristics Item Description: ITEM C/O BRACKET,MATERIAL: STEEL,CARBON,C.R;ADAPTER,MATERIAL: STEEL,CARBON,C.R;BOLT EYE,MATERIAL: STEEL,CARBON,COML. 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.
NSN 4931-00-017-8260 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.