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Technical Data Sheet
PartsTable / MRO / 8520-08
8520-08 ✓ Verified by PartsTable
— · MRO · MRO_GENERAL
WHAT YOU NEED TO KNOW
Verify manufacturer and server generation compatibility Check if Option PN or Spare PN — same part, different channel
Confirm exact part number — similar PNs may be different parts
PRODUCT OVERVIEW

The Boots,divers' is a the manufacturer industrial component. Key specifications include design_type: HARD DISK, unit_design: DESK TOP, drive_height: FULL, overall_width: 4.00 INCHES NOMINAL IN, overall_height: 0.787 INCHES NOMINAL IN, overall_length: 5.787 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4220-00-436-0395, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
MRO→ MRO_GENERAL→ 8520-08
NSN: 4220-00-436-0395
FSC: 4220
CAGE: 25609 — DACOR CORP (USA)
SPECIFICATIONS
design_typeHARD DISK
unit_designDESK TOP
drive_heightFULL
overall_width4.00 INCHES NOMINAL IN
overall_height0.787 INCHES NOMINAL IN
overall_length5.787 INCHES NOMINAL IN
data_storage_capacity3.20 GIGABYTES
end_item_identificationAN/SQQ-89; PCC: TR0; NHA: 8359888; USED ON: AN/SQQ-89A (V) 15 W/EC 211, 216, 219 A
part_name_assigned_by_controlling_agencyHARD DRIVE 320GB; (DWG TITLE) HARD DISK SATA 3.5IN 320GB GB
NSN4220-00-436-0395
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available Boots,divers' TITLE COMPONENT PN 8520-08 MFR Boots,divers'
KEY FEATURES
•
MATERIAL: RUBBER CHLOROPRENE UPPER
•
COLOR: BLACK OVERALL
•
SIZE: MEDIUM
TECHNICAL CHARACTERISTICS (FLIS)
SPECIAL FEATURESMENS SIZE 8
MATERIALRUBBER CHLOROPRENE UPPER
COLORBLACK OVERALL
MATERIALRUBBER SOLE
SIZEMEDIUM
VERIFIED SUBSTITUTES & CROSS-REFERENCES 16
925000Interchangeable
interchangeable cross-reference
interchangeable
5930476Interchangeable
interchangeable cross-reference
interchangeable
7742085Interchangeable
interchangeable cross-reference
interchangeable
3395-28Interchangeable
Boots,divers'
interchangeable
3396-28Interchangeable
Boots,divers'
interchangeable
GRB4-2-4Interchangeable
Boots,divers'
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 8520-08?
8520-08 is a Boots,divers'. It is classified as a MRO (MRO_GENERAL).
What parts can replace 8520-08?
There are 16 known substitutes for 8520-08: 925000, 5930476, 7742085 and 13 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 8520-08?
8520-08 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4220-00-436-0395. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026