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2251161 — CLAMP,HUB

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

2251161: CLAMP,HUB.

The CLAMP,HUB is a the manufacturer industrial component. Key specifications include material: STEEL COMP 303, thickness: 0.187 INCHES NOMINAL IN, balance_type: DYNAMIC, bore_diameter: 0.3120 INCHES MINIMUM AND 0.3130 INCHES MAXIMUM IN, surface_finish: 63 MICROINCHES BOTH BEARING FLATS, outside_diameter: 0.875 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 3040-00-820-4143, 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
2251161
NSN: 3040-00-820-4143
FSC: 3040 — Miscellaneous Power Transmission Equipment
CAGE: 10001 — NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER (USA)
SPECIFICATIONS
materialSTEEL COMP 303
thickness0.187 INCHES NOMINAL IN
balance_typeDYNAMIC
bore_diameter0.3120 INCHES MINIMUM AND 0.3130 INCHES MAXIMUM IN
surface_finish63 MICROINCHES BOTH BEARING FLATS
outside_diameter0.875 INCHES NOMINAL IN
style_designatorROUND, SINGLE BOLT SECURED
surface_treatmentPASSIVATE
nominal_thread_size0.112 INCHES IN
plain_hole_diameter0.1200 INCHES NOMINAL IN
clamp_securing_hole_styleTHREADED
screw_thread_series_designatorUNIFIED NATIONAL COARSE (UNC)
NSN3040-00-820-4143
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CLAMP,HUB TITLE COMPONENT PN 2251161 MFR CLAMP,HUB
KEY FEATURES
•
SURFACE FINISH: 63 MICROINCHES BOTH BEARING FLATS
•
PLAIN HOLE DIAMETER: 0.1200 INCHES NOMINAL IN
•
BALANCE TYPE: DYNAMIC
•
CLAMP SECURING HOLE STYLE: THREADED
•
STYLE DESIGNATOR: ROUND, SINGLE BOLT SECURED
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-764, TYPE 303-CANCELED FED SPEC SINGLE MATERIAL RESPONSE
•
OUTSIDE DIAMETER: 0.875 INCHES NOMINAL IN
•
NOMINAL THREAD SIZE: 0.112 INCHES IN
TECHNICAL CHARACTERISTICS
SURFACE FINISH63 MICROINCHES BOTH BEARING FLATS
PLAIN HOLE DIAMETER0.1200 INCHES NOMINAL IN
BALANCE TYPEDYNAMIC
CLAMP SECURING HOLE STYLETHREADED
STYLE DESIGNATORROUND, SINGLE BOLT SECURED
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-764, TYPE 303-CANCELED FED SPEC SINGLE MATERIAL RESPONSE
OUTSIDE DIAMETER0.875 INCHES NOMINAL IN
NOMINAL THREAD SIZE0.112 INCHES IN
SCREW THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)
SURFACE TREATMENTPASSIVATE
OTHER ITEMS IN FSC 3040 — Miscellaneous Power Transmission Equipment
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
3040-00-001-0046 3040-00-001-0047 3040-00-001-0048 3040-00-001-0068 3040-00-001-0077 3040-00-001-0078 3040-00-001-0089 3040-00-001-1224
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 2251161?
2251161 is a CLAMP,HUB.
What is the NSN for 2251161?
2251161 is cataloged in the U.S. Government catalog under NSN 3040-00-820-4143. 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.