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105504 — PRINTED CIRCUIT BOARD

✓ Government record, cited
— · MOTHERBOARD · BACKPLANE
PRODUCT OVERVIEW

105504: PRINTED CIRCUIT BOARD.

The PRINTED CIRCUIT BOARD is a the manufacturer industrial component. Key specifications include material: STEEL, overall_height: 3.750 INCHES NOMINAL IN, outside_diameter: 2.250 INCHES NOMINAL IN, end_item_identification: MISC PARTS NA; VIRGINIA CLASS USBMARINE, SSN-774, part_name_assigned_by_controlling_agency: PC BOARD 434.51 P2. This part is cataloged in the U.S.

Government catalog under NSN 4820-00-873-2490, 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
MOTHERBOARD→ BACKPLANE→ 105504
NSN: 4820-00-873-2490
NIINs: 008732490, 009136187, 015110433, 015339033
FSC: 4820 — Valves, Nonpowered
CAGE: 62983 — EATON AEROSPACE, LLC DBA JACKSON SOUTH (USA)
SPECIFICATIONS
materialSTEEL
overall_height3.750 INCHES NOMINAL IN
outside_diameter2.250 INCHES NOMINAL IN
end_item_identificationMISC PARTS NA; VIRGINIA CLASS USBMARINE, SSN-774
part_name_assigned_by_controlling_agencyPC BOARD 434.51 P2
NSN4820-00-873-2490
COMPONENT DIAGRAM
BAY 0SAS/SATA BAY 1SAS/SATA BAY 2SAS/SATA BAY 3SAS/SATA BAY 4SAS/SATA BAY 5SAS/SATA BAY 6SAS/SATA BAY 7SAS/SATA SAS EXP CHIP SAS IN 0 SAS IN 1 PWR 8-BAY SFF DRIVE BACKPLANE | 8-Bay SFF | SAS/SATA SAS expander | Dual SAS input | SAS/SATA TITLE BACKPLANE PN 105504 MFR PRINTED CIRCUIT BOARD
KEY FEATURES
•
OUTSIDE DIAMETER: 2.250 INCHES NOMINAL IN
•
MATERIAL: STEEL
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT3.750 INCHES NOMINAL IN
OUTSIDE DIAMETER2.250 INCHES NOMINAL IN
MATERIALSTEEL
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Terminal item — stock exhausted; no further procurementNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 105504?
105504 is a PRINTED CIRCUIT BOARD. It is classified as a MOTHERBOARD (BACKPLANE).
What is the NSN for 105504?
105504 is cataloged in the U.S. Government catalog under NSN 4820-00-873-2490. 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.