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PartsTable / COMPONENT / MIL-F-21840
MIL-F-21840 ✓ 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 CIRCUIT CARD ASSEMBLY is a the manufacturer industrial component. Key specifications include color: BLACK, US NAVY, 3230, width: 1.000 INCHES IN, weight: 4.1 GRAMS PER LINEAR YARD MINIMUM G, thickness: 0.05 INCHES MINIMUM IN, overall_width: 0.69 INCHES MINIMUM AND 0.81 INCHES MAXIMUM IN, fiber_material: NYLON. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 8315-00-001-3587, 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
MIL-F-21840
NSN: 8315-00-001-3587
FSC: 8315
CAGE: 81349 — MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
colorBLACK, US NAVY, 3230
width1.000 INCHES IN
weight4.1 GRAMS PER LINEAR YARD MINIMUM G
thickness0.05 INCHES MINIMUM IN
overall_width0.69 INCHES MINIMUM AND 0.81 INCHES MAXIMUM IN
fiber_materialNYLON
special_features2 IN. W., COLOR 0G106 IN
breaking_strengthERR-060
procurement_group_code91822
end_item_identificationHOOP/LOOP ASSEMBLY 11470880 FOR PATRIOT MISSILE
nondefinitive_spec/std_dataII TYPE AND 1 CLASS
NSN8315-00-001-3587
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CIRCUIT CARD ASSEMBLY TITLE COMPONENT PN MIL-F-21840 MFR CIRCUIT CARD ASSEMBLY
KEY FEATURES
•
WIDTH: 1.000 INCHES IN
•
COLOR: GREEN, US NAVY, 3422
•
NONDEFINITIVE SPEC/STD DATA: III TYPE AND 3 CLASS
•
FIBER MATERIAL: POLYESTER
TECHNICAL CHARACTERISTICS (FLIS)
WIDTH1.000 INCHES IN
COLORGREEN, US NAVY, 3422
NONDEFINITIVE SPEC/STD DATAIII TYPE AND 3 CLASS
FIBER MATERIALPOLYESTER
VERIFIED SUBSTITUTES & CROSS-REFERENCES 2
10150384Interchangeable
Same NIIN cross-reference
interchangeable
A-A-55126Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MIL-F-21840?
MIL-F-21840 is a CIRCUIT CARD ASSEMBLY.
What parts can replace MIL-F-21840?
There are 2 known substitutes for MIL-F-21840: 10150384, A-A-55126. Substitute compatibility should be verified for your specific system.
What is the NSN for MIL-F-21840?
MIL-F-21840 is cataloged in the Federal Logistics Information System (FLIS) under NSN 8315-00-001-3587. 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