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SEMCO 8643 ✓ Verified by PartsTable
— · COMPONENT
WHAT YOU NEED TO KNOW
Verify manufacturer and server generation compatibility Check if Option PN or Spare PN — same part, different channel
Confirm exact part number — similar PNs may be different parts
PRODUCT OVERVIEW

The NOZZLE,CAULKING GUN is a the manufacturer industrial component. Key specifications include shape: STRAIGHT, orifice_shape: SLOTTED, overall_length: 4.375 INCHES MINIMUM AND 4.500 INCHES MAXIMUM IN, thread_location: EXTERNAL, orifice_diameter: 0.125 INCHES NOMINAL IN, special_features: PLASTIC; DISPOSABLE. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5120-00-775-1670, 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
SEMCO 8643
NSN: 5120-00-775-1670
FSC: 5120
CAGE: H5550 — NEDELKO B.V. (NLD)
SPECIFICATIONS
shapeSTRAIGHT
orifice_shapeSLOTTED
overall_length4.375 INCHES MINIMUM AND 4.500 INCHES MAXIMUM IN
thread_locationEXTERNAL
orifice_diameter0.125 INCHES NOMINAL IN
special_featuresPLASTIC; DISPOSABLE
orifice_slot_width0.125 INCHES NOMINAL IN
orifice_slot_length0.750 INCHES NOMINAL IN
nominal_thread_diameter0.250 INCHES IN
screw_thread_series_designatorNPT
tool_operation_type_for_which_designedNONPOWERED
NSN5120-00-775-1670
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available NOZZLE,CAULKING GUN TITLE COMPONENT PN SEMCO 8643 MFR NOZZLE,CAULKING GUN
KEY FEATURES
•
TOOL OPERATION TYPE FOR WHICH DESIGNED: NONPOWERED
•
THREAD LOCATION: EXTERNAL
•
SHAPE: STRAIGHT
•
ORIFICE SLOT LENGTH: 0.750 INCHES NOMINAL IN
•
SCREW THREAD SERIES DESIGNATOR: NPT
•
ORIFICE SHAPE: SLOTTED
TECHNICAL CHARACTERISTICS (FLIS)
TOOL OPERATION TYPE FOR WHICH DESIGNEDNONPOWERED
THREAD LOCATIONEXTERNAL
SHAPESTRAIGHT
ORIFICE SLOT LENGTH0.750 INCHES NOMINAL IN
SPECIAL FEATURESPLASTIC; DISPOSABLE
SCREW THREAD SERIES DESIGNATORNPT
OVERALL LENGTH4.375 INCHES MINIMUM AND 4.500 INCHES MAXIMUM IN
ORIFICE SHAPESLOTTED
NOMINAL THREAD DIAMETER0.250 INCHES IN
ORIFICE SLOT WIDTH0.125 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
974Interchangeable
interchangeable cross-reference
interchangeable
701007-299Interchangeable
interchangeable cross-reference
interchangeable
1117332Interchangeable
interchangeable cross-reference
interchangeable
220586Interchangeable
interchangeable cross-reference
interchangeable
SC4 1/8Interchangeable
interchangeable cross-reference
interchangeable
1200-0081Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is SEMCO 8643?
SEMCO 8643 is a NOZZLE,CAULKING GUN.
What parts can replace SEMCO 8643?
There are 12 known substitutes for SEMCO 8643: 974, 701007-299, 1117332 and 9 more. Substitute compatibility should be verified for your specific system.
What is the NSN for SEMCO 8643?
SEMCO 8643 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5120-00-775-1670. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026