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E-528 — OPTICAL READER,DATA ENTRY

✓ Government record, cited
— · STORAGE_HDD · 3.5_SATA_HDD
PRODUCT OVERVIEW

E-528: OPTICAL READER,DATA ENTRY.

The OPTICAL READER,DATA ENTRY is a the manufacturer optical transceiver module designed for high-speed data center interconnects. Key specifications include hole_diameter: 5.191 INCHES MINIMUM AND 5.226 INCHES MAXIMUM IN, hardness_rating: 50.0 ROCKWELL B MINIMUM AND 81.0 ROCKWELL B MAXIMUM, outside_diameter: 6.188 INCHES MINIMUM AND 6.233 INCHES MAXIMUM IN, special_features: DESCRIPTION: USB FLASH CARD READER, style_designator: KEY, material_thickness: 0.118 INCHES MINIMUM AND 0.132 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-186-0983, 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
STORAGE_HDD→ 3.5_SATA_HDD→ E-528
NSN: 5310-00-186-0983
NIINs: 001860983, 016409609
FSC: 5310 — Nuts and Washers
CAGE: 82796 — COLTEC INDUSTRIES INC. DBA FAIRBANKS MORSE ENGINE DIV FAIRBANKS MORSE ENGINE (USA)
SPECIFICATIONS
hole_diameter5.191 INCHES MINIMUM AND 5.226 INCHES MAXIMUM IN
hardness_rating50.0 ROCKWELL B MINIMUM AND 81.0 ROCKWELL B MAXIMUM
outside_diameter6.188 INCHES MINIMUM AND 6.233 INCHES MAXIMUM IN
special_featuresDESCRIPTION: USB FLASH CARD READER
style_designatorKEY
material_thickness0.118 INCHES MINIMUM AND 0.132 INCHES MAXIMUM IN
external_key_quantity19
end_item_identificationAN/WSQ-41
external_prebent_key_width0.480 INCHES MINIMUM AND 0.520 INCHES MAXIMUM IN
internal_prebent_key_width0.375 INCHES MINIMUM AND 0.435 INCHES MAXIMUM IN
internal_prebent_key_length0.250 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN
overall_distance_including_keys7.031 INCHES MAXIMUM IN
NSN5310-00-186-0983
COMPONENT DIAGRAM
RELEASE LATCH — NL-SAS 7.2K E-528 OEM NL-SAS INTERFACE INTERPOSER SAS drive in SATA tray? Check board compatibility 3.5" (101.6 x 146mm) LFF 3.5" DRIVE | — | NL-SAS 7.2K NL-SAS uses SAS protocol at 7.2K RPM | SAS backplane supports SATA, not reverse Tray generation matters | Gen8 LFF tray differs from Gen10 TITLE LFF 3.5" DRIVE PN E-528 MFR OEM
KEY FEATURES
•
INTERNAL PREBENT KEY WIDTH: 0.375 INCHES MINIMUM AND 0.435 INCHES MAXIMUM IN
•
OVERALL DISTANCE INCLUDING KEYS: 7.031 INCHES MAXIMUM IN
•
HARDNESS RATING: 50.0 ROCKWELL B MINIMUM AND 81.0 ROCKWELL B MAXIMUM
•
STYLE DESIGNATOR: KEY
•
MATERIAL DOCUMENT AND CLASSIFICATION: 66 FED STD ALL MATERIAL RESPONSES OVERALL
•
OUTSIDE DIAMETER: 6.188 INCHES MINIMUM AND 6.233 INCHES MAXIMUM IN
•
MATERIAL THICKNESS: 0.118 INCHES MINIMUM AND 0.132 INCHES MAXIMUM IN
•
EXTERNAL KEY QUANTITY: 19
TYPICAL APPLICATIONS
  • Data center switch-to-switch interconnects
  • Server-to-storage fabric connectivity
  • Long-distance fiber optic links
  • High-speed uplink connections (10G/25G/40G/100G)
TECHNICAL CHARACTERISTICS
INTERNAL PREBENT KEY WIDTH0.375 INCHES MINIMUM AND 0.435 INCHES MAXIMUM IN
OVERALL DISTANCE INCLUDING KEYS7.031 INCHES MAXIMUM IN
HARDNESS RATING50.0 ROCKWELL B MINIMUM AND 81.0 ROCKWELL B MAXIMUM
STYLE DESIGNATORKEY
MATERIAL DOCUMENT AND CLASSIFICATION66 FED STD ALL MATERIAL RESPONSES OVERALL
OUTSIDE DIAMETER6.188 INCHES MINIMUM AND 6.233 INCHES MAXIMUM IN
MATERIAL THICKNESS0.118 INCHES MINIMUM AND 0.132 INCHES MAXIMUM IN
EXTERNAL KEY QUANTITY19
INTERNAL PREBENT KEY LENGTH0.250 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN
EXTERNAL PREBENT KEY WIDTH0.480 INCHES MINIMUM AND 0.520 INCHES MAXIMUM IN
SUBSTITUTES & CROSS-REFERENCES 10
AS11-1702-543PC117Reference document
Same NSN cross-reference
Reference document — Secondary reference
09-20072Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
D2-8881PC20Reference document
Same NSN cross-reference
Reference document — Secondary reference
D2-8781PC20Reference document
Same NSN cross-reference
Reference document — Secondary reference
W26Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
WW8443139PC46Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is E-528?
E-528 is a OPTICAL READER,DATA ENTRY. It is classified as a STORAGE_HDD (3.5_SATA_HDD).
What parts can replace E-528?
There are 10 known substitutes for E-528: AS11-1702-543PC117, 09-20072, D2-8881PC20 and 7 more. Substitute compatibility should be verified for your specific system.
What is the NSN for E-528?
E-528 is cataloged in the U.S. Government catalog under NSN 5310-00-186-0983. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.