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6181941 — CLAMP,HUB

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

6181941: CLAMP,HUB.

The CLAMP,HUB is a the manufacturer industrial component. Key specifications include material: STEEL COMP 1018 OR STEEL COMP 1020 OR STEEL COMP 1022, thickness: 1.365 INCHES MINIMUM AND 1.375 INCHES MAXIMUM IN, bore_diameter: 1.1240 INCHES MINIMUM AND 1.1250 INCHES MAXIMUM IN, overall_width: 1.750 INCHES NOMINAL IN, overall_length: 2.188 INCHES NOMINAL IN, surface_finish: 125 MICROINCHES BOTH BEARING FLATS. This part is cataloged in the U.S.

Government catalog under NSN 3040-00-618-1941, 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
6181941
NSN: 3040-00-618-1941
FSC: 3040 — Miscellaneous Power Transmission Equipment
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)
SPECIFICATIONS
materialSTEEL COMP 1018 OR STEEL COMP 1020 OR STEEL COMP 1022
thickness1.365 INCHES MINIMUM AND 1.375 INCHES MAXIMUM IN
bore_diameter1.1240 INCHES MINIMUM AND 1.1250 INCHES MAXIMUM IN
overall_width1.750 INCHES NOMINAL IN
overall_length2.188 INCHES NOMINAL IN
surface_finish125 MICROINCHES BOTH BEARING FLATS
style_designatorRECTANGULAR, SINGLE BOLT SECURED
nominal_thread_size0.438 INCHES IN
plain_hole_diameter0.4530 INCHES NOMINAL IN
clamp_securing_hole_styleTHREADED
screw_thread_series_designatorUNF
distance_from_bore_centerline_to_end1.031 INCHES NOMINAL IN
NSN3040-00-618-1941
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CLAMP,HUB TITLE COMPONENT PN 6181941 MFR CLAMP,HUB
KEY FEATURES
•
SURFACE FINISH: 125 MICROINCHES BOTH BEARING FLATS
•
PLAIN HOLE DIAMETER: 0.4530 INCHES NOMINAL IN
•
CLAMP SECURING HOLE STYLE: THREADED
•
STYLE DESIGNATOR: RECTANGULAR, SINGLE BOLT SECURED
•
MATERIAL DOCUMENT AND CLASSIFICATION: FED STD 66 FED STD 1ST MATERIAL RESPONSE OR AISI 1018 ASSN STD SINGLE MATERIAL RESPONSE OR SAE 1018 ASSN STD SINGLE MATERIAL RESPONSE AND FED STD 66 FED STD 2ND MATERIAL RESPONSE OR AISI 1020 ASSN STD SINGLE MATERIAL RESPONSE OR SAE 1020 ASSN STD SINGLE MATERIAL RESPONSE AND FED STD 66 FED STD 3RD MATERIAL RESPONSE OR AISI 1022 ASSN STD SINGLE MATERIAL RESPONSE OR SAE 1022 ASSN STD SINGLE MATERIAL RESPONSE
•
DISTANCE FROM BORE CENTERLINE TO END: 1.031 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
SURFACE FINISH125 MICROINCHES BOTH BEARING FLATS
PLAIN HOLE DIAMETER0.4530 INCHES NOMINAL IN
CLAMP SECURING HOLE STYLETHREADED
STYLE DESIGNATORRECTANGULAR, SINGLE BOLT SECURED
MATERIAL DOCUMENT AND CLASSIFICATIONFED STD 66 FED STD 1ST MATERIAL RESPONSE OR AISI 1018 ASSN STD SINGLE MATERIAL RESPONSE OR SAE 1018 ASSN STD SINGLE MATERIAL RESPONSE AND FED STD 66 FED STD 2ND MATERIAL RESPONSE OR AISI 1020 ASSN STD SINGLE MATERIAL RESPONSE OR SAE 1020 ASSN STD SINGLE MATERIAL RESPONSE AND FED STD 66 FED STD 3RD MATERIAL RESPONSE OR AISI 1022 ASSN STD SINGLE MATERIAL RESPONSE OR SAE 1022 ASSN STD SINGLE MATERIAL RESPONSE
OVERALL LENGTH2.188 INCHES NOMINAL IN
OVERALL WIDTH1.750 INCHES NOMINAL IN
DISTANCE FROM BORE CENTERLINE TO END1.031 INCHES NOMINAL IN
NOMINAL THREAD SIZE0.438 INCHES IN
SCREW THREAD SERIES DESIGNATORUNF
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 1
89-354-8Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 6181941?
6181941 is a CLAMP,HUB.
What parts can replace 6181941?
There is 1 known substitute for 6181941: 89-354-8. Substitute compatibility should be verified for your specific system.
What is the NSN for 6181941?
6181941 is cataloged in the U.S. Government catalog under NSN 3040-00-618-1941. 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.