The Housing,flywheel, cataloged under National Stock Number 2520-01-645-4563, is classified within Federal Supply Class 2520 (Vehicular Power Transmission Components) of the Vehicular Equipment Components 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 3 specifications, 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 | 2520-01-645-4563 |
| Primary Part Number | 13054987 |
| Item Name | Housing,flywheel |
| FSC / FSG | 2520 / 25 — Vehicular Power Transmission Components |
| Manufacturer | Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate |
| Status | ACTIVE |
| Overall Diameter | 158.2 MILLIMETERS MINIMUM AND 159.8 MILLIMETERS MAXIMUM MM |
| Color | WHITE |
| Material | ALUMINUM |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 13054987 PRIMARY | Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate (USA) |
NSN 2520-01-645-4563 is a Housing,flywheel, manufactured by Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate, classified under FSC 2520, Vehicular Power Transmission Components. Status: active.
NSN 2520-01-645-4563 has 1 manufacturer part number on file: 13054987 (Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate).
Key specifications for 13054987: Overall Height: 63.49 MILLIMETERS MINIMUM AND 64.49 MILLIMETERS MAXIMUM MM; Overall Diameter: 158.2 MILLIMETERS MINIMUM AND 159.8 MILLIMETERS MAXIMUM MM; Color: WHITE; Special Features: PROTECTIVE FINISH PER 19207-12577737, PARAGRAPH 3.4. HAS (40 .437-14 UNC-2B THREADED INSERTS. HOUSING HAS (13) MOUNTING HOLES, (12) WITH 7.14MM THRU DIAMETER COUNTERSUNK TO 7.4MM AT 60 DEGREES AND COUNTERBORED TO 15.88MM, AND (1) WITH 10.32 UNF-2B THREADING COUNTERSUNK TO 5.59MM AT 90 DEGREES AND COUNTERBORED TO 9.5MM THRU ONE WALL. THREADS AND HOLES SHALL BE FREE OF PRIMER AND TOPCOAT. MM. 3 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.
NSN 2520-01-645-4563 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.