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PartsTable / COMPONENT / F18646
F18646 ✓ 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 RETAINER,GUN COMPONENT is a the manufacturer industrial component. Key specifications include end_item_identification: RECEIVER, REMINGTON 870 MCS, part_name_assigned_by_controlling_agency: EJECTOR RIVET FRONT. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5320-00-437-4736, 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
F18646
NSN: 5320-00-437-4736
FSC: 5320
CAGE: 3A703 — REMINGTON ARMS COMPANY, LLC (USA)
SPECIFICATIONS
end_item_identificationRECEIVER, REMINGTON 870 MCS
part_name_assigned_by_controlling_agencyEJECTOR RIVET FRONT
NSN5320-00-437-4736
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available RETAINER,GUN COMPONENT TITLE COMPONENT PN F18646 MFR RETAINER,GUN COMPONENT
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
18646Interchangeable
interchangeable cross-reference
interchangeable
18648Interchangeable
interchangeable cross-reference
interchangeable
X74222Interchangeable
interchangeable cross-reference
interchangeable
88-7-7-20 AHInterchangeable
interchangeable cross-reference
interchangeable
186-046Interchangeable
interchangeable cross-reference
interchangeable
F18646Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is F18646?
F18646 is a RETAINER,GUN COMPONENT.
What parts can replace F18646?
There are 6 known substitutes for F18646: 18646, 18648, X74222 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for F18646?
F18646 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5320-00-437-4736. 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