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5521 — CONNECTOR,PLUG,ELECTRICAL

✓ Government record, cited
Giochi Preziosi · MRO · MRO_GENERAL
PRODUCT OVERVIEW

5521: CONNECTOR,PLUG,ELECTRICAL.

The CONNECTOR,PLUG,ELECTRICAL is a Giochi Preziosi industrial component. Key specifications include part_name_assigned_by_controlling_agency: SEAL,MULTIPURPOSE. This part is cataloged in the U.S.

Government catalog under NSN 3110-00-100-0496, 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→ 5521
NSN: 3110-00-100-0496
NIINs: 001000496, 001008759, 002901168, 004694761, 005026234, 005942415, 006848737, 008681246, 011100273, 011380649, 013286507, 013555182, 015818681, 016763158
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 33323 — KENWORTH TRUCK CO A DIV OF PACCAR INC (USA)
SPECIFICATIONS
part_name_assigned_by_controlling_agencySEAL,MULTIPURPOSE
NSN3110-00-100-0496
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 5521 · Giochi Preziosi ⚠ VERIFY BEFORE ORDERING Cup and cone sold separately — verify you are ordering BOTH parts or the correct component. Always replace cup and cone together — mismatched wear = premature failure ✓ BROKER TIP Taper angle determines axial load capacity. Steeper angle = higher axial load rating. Timken series numbers indicate dimensions — cross-reference carefully PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
STYLE DESIGNATOR: NORMAL ANGLE
•
OUTSIDE DIAMETER: 5.1181 INCHES NOMINAL IN
•
BACKFACE CORNER RADIUS: 0.1250 INCHES NOMINAL IN
•
STANDARD TOLERANCE DESIGNATION: AFBMA CLASS 2
•
MATERIAL: STEEL OVERALL
TECHNICAL CHARACTERISTICS
STYLE DESIGNATORNORMAL ANGLE
OVERALL WIDTH1.4375 INCHES NOMINAL IN
OUTSIDE DIAMETER5.1181 INCHES NOMINAL IN
BACKFACE CORNER RADIUS0.1250 INCHES NOMINAL IN
STANDARD TOLERANCE DESIGNATIONAFBMA CLASS 2
MATERIALSTEEL OVERALL
SUBSTITUTES & CROSS-REFERENCES 7
166D2Reference document
Same NSN cross-reference
Reference document — Secondary reference
140645Reference document
Same NSN cross-reference
Reference document — Secondary reference
5221Reference document
Same NSN cross-reference
Reference document — Secondary reference
K5521Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
534757Reference document
Same NSN cross-reference
Reference document — Secondary reference
2B5060Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
Manufacturer release date (catalog record)2014-01-01
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 5521?
5521 is a CONNECTOR,PLUG,ELECTRICAL manufactured by Giochi Preziosi. It is classified as a MRO (MRO_GENERAL).
What parts can replace 5521?
There are 7 known substitutes for 5521: 166D2, 140645, 5221 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 5521?
5521 is cataloged in the U.S. Government catalog under NSN 3110-00-100-0496. 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.