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173319 — PRINTED CIRCUIT BOARD

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

173319: PRINTED CIRCUIT BOARD.

The PRINTED CIRCUIT BOARD is a the manufacturer industrial component. Key specifications include material: RUBBER SYNTHETIC SEAL, bore_shape: STRAIGHT, bore_diameter: 25.0 MILLIMETERS NOMINAL MM, overall_width: 15.0 MILLIMETERS NOMINAL MM, load_direction: RADIAL, surface_finish: GROUND. This part is cataloged in the U.S.

Government catalog under NSN 3110-00-939-9839, 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→ 173319
NSN: 3110-00-939-9839
NIINs: 009399839, 013155347
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 12356 — CINCINNATI MACHINE CO (USA)
SPECIFICATIONS
materialRUBBER SYNTHETIC SEAL
bore_shapeSTRAIGHT
bore_diameter25.0 MILLIMETERS NOMINAL MM
overall_width15.0 MILLIMETERS NOMINAL MM
seal_quantity2
load_directionRADIAL
surface_finishGROUND
special_featuresDSA NO. 2; FOR USE ONTOMOGRAPHIC IMAGING SYSTEM,MODEL 1200SX,CATSCAN
style_designatorNON-LOADING GROOVE, NON-SEPARABLE
bearing_seal_typeCONTACT
features_providedSNAP RING-GROOVE MOUNTING AND MOUNTING GROOVE
lubrication_materialGREASE
NSN3110-00-939-9839
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 173319 MFR PRINTED CIRCUIT BOARD
KEY FEATURES
•
RETAINER FABRICATION METHOD: PRESSED
•
BEARING SEAL TYPE: CONTACT
•
LUBRICATION MATERIAL: GREASE
•
INTERNAL FIT-UP DESIGNATION: TIGHT
•
SURFACE FINISH: GROUND
•
STYLE DESIGNATOR: NON-LOADING GROOVE, NON-SEPARABLE
•
OVERALL OUTSIDE DIAMETER: 52.0 MILLIMETERS NOMINAL MM
TECHNICAL CHARACTERISTICS
RETAINER FABRICATION METHODPRESSED
BEARING SEAL TYPECONTACT
LUBRICATION MATERIALGREASE
INTERNAL FIT-UP DESIGNATIONTIGHT
SURFACE FINISHGROUND
STYLE DESIGNATORNON-LOADING GROOVE, NON-SEPARABLE
OVERALL WIDTH15.0 MILLIMETERS NOMINAL MM
OVERALL OUTSIDE DIAMETER52.0 MILLIMETERS NOMINAL MM
FEATURES PROVIDEDSNAP RING-GROOVE MOUNTING AND MOUNTING GROOVE
BORE SHAPESTRAIGHT
SUBSTITUTES & CROSS-REFERENCES 1
Z499505T3CReference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Semi-active item — no replacement plannedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 173319?
173319 is a PRINTED CIRCUIT BOARD. It is classified as a MOTHERBOARD (BACKPLANE).
What parts can replace 173319?
There is 1 known substitute for 173319: Z499505T3C. Substitute compatibility should be verified for your specific system.
What is the NSN for 173319?
173319 is cataloged in the U.S. Government catalog under NSN 3110-00-939-9839. 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.