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Technical Data Sheet
PartsTable / COMPONENT / AN16-31A
AN16-31A ✓ 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,MACHINE is a the manufacturer industrial component. Key specifications include head_style: HEXAGON, grip_length: 2.000 INCHES NOMINAL IN, head_height: 0.515 INCHES MINIMUM AND 0.547 INCHES MAXIMUM IN, thread_class: 3A A, thread_length: 1.375 INCHES MAXIMUM IN, fastener_length: 3.375 INCHES NOMINAL 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 5306-00-274-1527, 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
AN16-31A
NSN: 5306-00-274-1527
FSC: 5306
CAGE: 88044 — AERONAUTICAL STANDARDS GROUP DEPT OF NAVY AND AIR FORCE (USA)
SPECIFICATIONS
materialSTEEL COMP 4037 OR STEEL COMP 4130 OR STEEL COMP 8630 OR STEEL COMP 8735 OR STEEL COMP 8740 OR STEEL COMP 4140 OVERALL
head_styleHEXAGON
grip_length2.000 INCHES NOMINAL IN
head_height0.515 INCHES MINIMUM AND 0.547 INCHES MAXIMUM IN
thread_class3A A
thread_length1.375 INCHES MAXIMUM IN
fastener_length3.375 INCHES NOMINAL IN
hardness_rating26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL
thread_directionRIGHT-HAND
features_providedFINISHED HEAD
surface_treatmentCADMIUM OVERALL
width_between_flats1.428 INCHES MINIMUM AND 1.441 INCHES MAXIMUM IN
NSN5306-00-274-1527
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: AN16-31A · 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
•
MINIMUM TENSILE STRENGTH: 125000 POUNDS PER SQUARE INCH LBS
•
GRIP LENGTH: 2.000 INCHES NOMINAL IN
•
FASTENER LENGTH: 3.375 INCHES NOMINAL IN
•
THREAD QUANTITY PER INCH: 14
•
THREAD LENGTH: 1.375 INCHES MAXIMUM IN
•
THREAD CLASS: 3A A
•
FEATURES PROVIDED: FINISHED HEAD
•
HEAD STYLE: HEXAGON
TECHNICAL CHARACTERISTICS (FLIS)
MINIMUM TENSILE STRENGTH125000 POUNDS PER SQUARE INCH LBS
GRIP LENGTH2.000 INCHES NOMINAL IN
FASTENER LENGTH3.375 INCHES NOMINAL IN
THREAD QUANTITY PER INCH14
THREAD LENGTH1.375 INCHES MAXIMUM IN
THREAD CLASS3A A
FEATURES PROVIDEDFINISHED HEAD
HEAD STYLEHEXAGON
HEAD HEIGHT0.515 INCHES MINIMUM AND 0.547 INCHES MAXIMUM IN
WIDTH BETWEEN FLATS1.428 INCHES MINIMUM AND 1.441 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
7010AL25-064Interchangeable
interchangeable cross-reference
interchangeable
907379Interchangeable
interchangeable cross-reference
interchangeable
124682-6D10-064Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is AN16-31A?
AN16-31A is a BOLT,MACHINE.
What parts can replace AN16-31A?
There are 3 known substitutes for AN16-31A: 7010AL25-064, 907379, 124682-6D10-064. Substitute compatibility should be verified for your specific system.
What is the NSN for AN16-31A?
AN16-31A is cataloged in the Federal Logistics Information System (FLIS) under NSN 5306-00-274-1527. 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