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PartsTable / COMPONENT / AIC871-4-8
AIC871-4-8 ✓ 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 BOLT,SHEAR is a the manufacturer industrial component. Key specifications include material: NICKEL ALLOY 718 OVERALL, head_style: SPLINE EXTENDED WASHER, grip_length: 0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM IN, head_height: 0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN, thread_class: 3A A, grip_diameter: 0.2485 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5306-01-349-8863, 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
AIC871-4-8
NSN: 5306-01-349-8863
FSC: 5306
CAGE: 06725 — SPS TECHNOLOGIES, LLC DBA AIR INDUSTRIES COMPANY DIV AIR INDUSTRIES COMPANY (USA)
SPECIFICATIONS
materialNICKEL ALLOY 718 OVERALL
head_styleSPLINE EXTENDED WASHER
grip_length0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM IN
head_height0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN
thread_class3A A
grip_diameter0.2485 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM IN
thread_length0.592 INCHES NOMINAL IN
surface_finish32.0 MICROINCHES GRIP
fastener_length1.077 INCHES MINIMUM AND 1.107 INCHES MAXIMUM IN
thread_directionRIGHT-HAND
surface_treatmentPASSIVATE OVERALL
head_minor_diameter0.304 INCHES MINIMUM AND 0.313 INCHES MAXIMUM IN
NSN5306-01-349-8863
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: AIC871-4-8 · 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
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS 5662 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
EXTENDED WASHER THICKNESS: 0.026 INCHES MINIMUM AND 0.046 INCHES MAXIMUM IN
•
THREAD DIRECTION: RIGHT-HAND
•
MINIMUM TENSILE STRENGTH: 180000 POUNDS PER SQUARE INCH LBS
•
SURFACE TREATMENT: PASSIVATE OVERALL
•
HEAD MINOR DIAMETER: 0.304 INCHES MINIMUM AND 0.313 INCHES MAXIMUM IN
•
SURFACE FINISH: 32.0 MICROINCHES GRIP
•
MATERIAL: NICKEL ALLOY 718 OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5662 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
EXTENDED WASHER THICKNESS0.026 INCHES MINIMUM AND 0.046 INCHES MAXIMUM IN
THREAD DIRECTIONRIGHT-HAND
MINIMUM TENSILE STRENGTH180000 POUNDS PER SQUARE INCH LBS
SURFACE TREATMENTPASSIVATE OVERALL
HEAD MINOR DIAMETER0.304 INCHES MINIMUM AND 0.313 INCHES MAXIMUM IN
SURFACE FINISH32.0 MICROINCHES GRIP
MATERIALNICKEL ALLOY 718 OVERALL
SURFACE FINISH32.0 MICROINCHES BEARING SURFACE OF HEAD
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
340848Interchangeable
interchangeable cross-reference
interchangeable
340848-1Interchangeable
interchangeable cross-reference
interchangeable
87148Interchangeable
interchangeable cross-reference
interchangeable
FLUMISTInterchangeable
interchangeable cross-reference
interchangeable
6505NCM127458Interchangeable
interchangeable cross-reference
interchangeable
3D0013-4-8Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is AIC871-4-8?
AIC871-4-8 is a BOLT,SHEAR.
What parts can replace AIC871-4-8?
There are 6 known substitutes for AIC871-4-8: 340848, 340848-1, 87148 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for AIC871-4-8?
AIC871-4-8 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5306-01-349-8863. This indicates validated use in U.S. government and defense supply chains.
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Last verified: July 2026