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421852 — CIRCUIT CARD ASSEMBLY

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

421852: CIRCUIT CARD ASSEMBLY.

The CIRCUIT CARD ASSEMBLY is a the manufacturer industrial component. Key specifications include head_style: ROUND, head_height: 0.075 INCHES MINIMUM AND 0.083 INCHES MAXIMUM IN, thread_class: 2A A, head_diameter: 0.193 INCHES MINIMUM AND 0.211 INCHES MAXIMUM IN, thread_length: 0.396 INCHES MINIMUM AND 0.438 INCHES MAXIMUM IN, fastener_length: 0.438 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5305-00-042-1852, 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
421852
NSN: 5305-00-042-1852
NIINs: 000421852, 014382920
FSC: 5305 — Screws
CAGE: 24617 — GENERAL MOTORS CORP (USA)
SPECIFICATIONS
head_styleROUND
head_height0.075 INCHES MINIMUM AND 0.083 INCHES MAXIMUM IN
thread_class2A A
head_diameter0.193 INCHES MINIMUM AND 0.211 INCHES MAXIMUM IN
thread_length0.396 INCHES MINIMUM AND 0.438 INCHES MAXIMUM IN
screw_materialSTEEL COMP 1010 OR STEEL COMP 1015 OR STEEL COMP 1016 OR STEEL COMP 1017 OR STEEL COMP 1018 OR STEEL COMP 1019 OR STEEL COMP 1020
fastener_length0.438 INCHES NOMINAL IN
thread_directionRIGHT-HAND
internal_drive_styleCROSS RECESS TYPE 1
end_item_identification5835013697837
nominal_thread_diameter0.112 INCHES IN
screw_surface_treatmentCADMIUM OR ZINC
NSN5305-00-042-1852
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 421852 · OEM ⚠ VERIFY BEFORE ORDERING Verify thread pitch before ordering — metric (M8×1.25) ≠ imperial (5/16-18). Wrong thread = wrong part. Grade/class stamped on bolt head determines tensile strength ✓ BROKER TIP Grade/class stamped on head determines tensile strength. Grade 8 > Grade 5 > Grade 2. Always confirm head marking matches specification requirement PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
HEAD HEIGHT: 0.075 INCHES MINIMUM AND 0.083 INCHES MAXIMUM IN
•
SCREW SURFACE TREATMENT: CADMIUM OR ZINC
•
FASTENER LENGTH: 0.438 INCHES NOMINAL IN
•
SCREW MATERIAL DOCUMENT AND CLASSIFICATION: SAE ASSN STD ALL MATERIAL RESPONSES
•
THREAD LENGTH: 0.396 INCHES MINIMUM AND 0.438 INCHES MAXIMUM IN
•
NOMINAL THREAD DIAMETER: 0.112 INCHES IN
•
HEAD STYLE: ROUND
•
THREAD DIRECTION: RIGHT-HAND
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.075 INCHES MINIMUM AND 0.083 INCHES MAXIMUM IN
SCREW SURFACE TREATMENTCADMIUM OR ZINC
FASTENER LENGTH0.438 INCHES NOMINAL IN
SCREW MATERIAL DOCUMENT AND CLASSIFICATIONSAE ASSN STD ALL MATERIAL RESPONSES
THREAD LENGTH0.396 INCHES MINIMUM AND 0.438 INCHES MAXIMUM IN
NOMINAL THREAD DIAMETER0.112 INCHES IN
HEAD STYLEROUND
THREAD DIRECTIONRIGHT-HAND
SCREW MATERIALSTEEL COMP 1010 OR STEEL COMP 1015 OR STEEL COMP 1016 OR STEEL COMP 1017 OR STEEL COMP 1018 OR STEEL COMP 1019 OR STEEL COMP 1020
INTERNAL DRIVE STYLECROSS RECESS TYPE 1
SUBSTITUTES & CROSS-REFERENCES 1
FFS92TYPE1STYLE1SReference document
Same NSN cross-reference
Reference document — Identification reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 421852?
421852 is a CIRCUIT CARD ASSEMBLY.
What parts can replace 421852?
There is 1 known substitute for 421852: FFS92TYPE1STYLE1S. Substitute compatibility should be verified for your specific system.
What is the NSN for 421852?
421852 is cataloged in the U.S. Government catalog under NSN 5305-00-042-1852. This indicates validated use in U.S. government and defense supply chains.
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