General Characteristics Item Description: ALUMINUM ALLOY QQ-A-225/3,0.250 IN. O/A DIA IN
Identification
NSN: 6620-01-009-8809
NIIN: 010098809
FSC: 6620 — Engine Instruments
FSG: 66 — Instruments and Laboratory Equipment
General Description
The Hub,spring, cataloged under National Stock Number 6620-01-009-8809, is classified within Federal Supply Class 6620 (Engine Instruments) of the Instruments and Laboratory Equipment group. Government technical data includes 1 specification, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
6620-01-009-8809
Item Name
Hub,spring
FSC / FSG
6620 / 66 — Engine Instruments
Status
ACTIVE
General Characteristics Item Description
ALUMINUM ALLOY QQ-A-225/3,0.250 IN. O/A DIA IN
Lifecycle & Compliance
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
Cross-Reference Index
No manufacturer part numbers on file in the U.S. Government catalog.
Reference documents
Reference
Meaning
4381W10P001
3/2Design control — primary reference
U.S. Government activity
No interchangeability data on file.
Other items in FSC 6620 — Engine Instruments
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
6620-00-000-0124
6620-00-000-0124 · Item name not on file
6620-00-000-0548
6620-00-000-0548 · Item name not on file
6620-00-001-1398
STARTER AND SHAFT ASSEMBLY
6620-00-001-4552
6620-00-001-4552 · Item name not on file
6620-00-001-9331
6620-00-001-9331 · Item name not on file
6620-00-001-9332
6620-00-001-9332 · Item name not on file
6620-00-001-9333
6620-00-001-9333 · Item name not on file
6620-00-001-9334
6620-00-001-9334 · Item name not on file
Frequently Asked Questions
What is NSN 6620-01-009-8809?
NSN 6620-01-009-8809 is a Hub,spring, classified under FSC 6620, Engine Instruments. Status: active.
What are the specifications of 6620-01-009-8809?
Key specifications for 6620-01-009-8809: General Characteristics Item Description: ALUMINUM ALLOY QQ-A-225/3,0.250 IN. O/A DIA IN; End Item Identification: E-6A AIRCRAFT A. 1 specification is documented in the U.S. Government catalog.
Is NSN 6620-01-009-8809 hazardous material?
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
What is the DEMIL code for NSN 6620-01-009-8809?
NSN 6620-01-009-8809 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
Sources
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.
✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.