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Technical Data Sheet
PartsTable / COMPONENT / N85P21008C12
N85P21008C12 ✓ Verified by PartsTable
— · BOLT SCREW
WHAT YOU NEED TO KNOW
Grade/class stamped on head determines strength Metric and imperial threads look similar — measure pitch
Verify thread pitch — metric != imperial
PRODUCT OVERVIEW

The SCREW,MACHINE is a the manufacturer industrial component. Key specifications include head_style: ROUND, head_height: 0.175 INCHES MAXIMUM IN, thread_class: 2A A, head_diameter: 0.443 INCHES MINIMUM AND 0.472 INCHES MAXIMUM IN, thread_length: 0.500 INCHES NOMINAL IN, screw_material: STEEL. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-819-2597, 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
N85P21008C12
NSN: 5305-00-819-2597
FSC: 5305
CAGE: 24446 — GENERAL ELECTRIC COMPANY (USA)
SPECIFICATIONS
head_styleROUND
head_height0.175 INCHES MAXIMUM IN
thread_class2A A
head_diameter0.443 INCHES MINIMUM AND 0.472 INCHES MAXIMUM IN
thread_length0.500 INCHES NOMINAL IN
screw_materialSTEEL
fastener_length0.500 INCHES NOMINAL IN
special_featuresSURFACE TREATMENT,WITH SUPPLEMENTARY GOLDEN COLOR
thread_directionRIGHT-HAND
internal_drive_styleCROSS RECESS TYPE 1
nominal_thread_diameter0.250 INCHES IN
screw_surface_treatmentCADMIUM AND CHROMATE
NSN5305-00-819-2597
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: N85P21008C12 · 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
•
SCREW SURFACE TREATMENT: CADMIUM AND CHROMATE
•
NOMINAL THREAD DIAMETER: 0.250 INCHES IN
•
THREAD DIRECTION: RIGHT-HAND
•
HEAD DIAMETER: 0.443 INCHES MINIMUM AND 0.472 INCHES MAXIMUM IN
•
INTERNAL DRIVE STYLE: CROSS RECESS TYPE 1
•
FASTENER LENGTH: 0.500 INCHES NOMINAL IN
•
SCREW MATERIAL: STEEL
TECHNICAL CHARACTERISTICS (FLIS)
SCREW SURFACE TREATMENTCADMIUM AND CHROMATE
NOMINAL THREAD DIAMETER0.250 INCHES IN
THREAD DIRECTIONRIGHT-HAND
HEAD DIAMETER0.443 INCHES MINIMUM AND 0.472 INCHES MAXIMUM IN
SPECIAL FEATURESSURFACE TREATMENT,WITH SUPPLEMENTARY GOLDEN COLOR
INTERNAL DRIVE STYLECROSS RECESS TYPE 1
FASTENER LENGTH0.500 INCHES NOMINAL IN
SCREW MATERIALSTEEL
HEAD STYLEROUND
THREAD LENGTH0.500 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
AN515-416-8Interchangeable
interchangeable cross-reference
interchangeable
6109Interchangeable
interchangeable cross-reference
interchangeable
71136-279Interchangeable
interchangeable cross-reference
interchangeable
AN515-416R8Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is N85P21008C12?
N85P21008C12 is a SCREW,MACHINE.
What parts can replace N85P21008C12?
There are 4 known substitutes for N85P21008C12: AN515-416-8, 6109, 71136-279 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for N85P21008C12?
N85P21008C12 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-819-2597. 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