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C4891-20 — C4891-20

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

C4891-20: C4891-20.

The C4891-20 is a the manufacturer industrial component. Key specifications include width: 2.75 INCHES NOMINAL IN, length: 1.35 INCHES NOMINAL IN, special_features: LABEL WARNS 45LB TWO PERSON LIFT LBS, basic_shape_style: RECTANGULAR, end_item_identification: TACTICAL UNMANNED AIRCRAFT SYSTEM (SHADOW), part_name_assigned_by_controlling_agency: CAUTION/HEAVY ITEM LABEL. This part is cataloged in the U.S.

Government catalog under NSN 7690-01-661-6043, 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
C4891-20
NSN: 7690-01-661-6043
FSC: 7690 — Miscellaneous Printed Matter
CAGE: 1R2W7 — CLARION SAFETY SYSTEMS, LLC (USA)
SPECIFICATIONS
width2.75 INCHES NOMINAL IN
length1.35 INCHES NOMINAL IN
special_featuresLABEL WARNS 45LB TWO PERSON LIFT LBS
basic_shape_styleRECTANGULAR
end_item_identificationTACTICAL UNMANNED AIRCRAFT SYSTEM (SHADOW)
part_name_assigned_by_controlling_agencyCAUTION/HEAVY ITEM LABEL
NSN7690-01-661-6043
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available C4891-20 TITLE COMPONENT PN C4891-20 MFR C4891-20
KEY FEATURES
•
LENGTH: 1.35 INCHES NOMINAL IN
•
BASIC SHAPE STYLE: RECTANGULAR
•
WIDTH: 2.75 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
LENGTH1.35 INCHES NOMINAL IN
BASIC SHAPE STYLERECTANGULAR
SPECIAL FEATURESLABEL WARNS 45LB TWO PERSON LIFT LBS
WIDTH2.75 INCHES NOMINAL IN
PART NAME ASSIGNED BY CONTROLLING AGENCYCAUTION/HEAVY ITEM LABEL
END ITEM IDENTIFICATIONTACTICAL UNMANNED AIRCRAFT SYSTEM (SHADOW)
OTHER ITEMS IN FSC 7690 — Miscellaneous Printed Matter
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
7690-00-001-1291 7690-00-001-8933 7690-00-001-9112 7690-00-003-5316 7690-00-003-8582 7690-00-004-0402 7690-00-004-0403
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is C4891-20?
C4891-20 is a C4891-20.
What is the NSN for C4891-20?
C4891-20 is cataloged in the U.S. Government catalog under NSN 7690-01-661-6043. 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.