PartsTable
Technical Data Sheet
PartsTable / COMPONENT / AN4-22
AN4-22 ✓ 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: 1.812 INCHES NOMINAL IN, head_height: 0.140 INCHES MINIMUM AND 0.172 INCHES MAXIMUM IN, thread_class: 3A A, thread_length: 0.469 INCHES MINIMUM IN, fastener_length: 2.281 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 5306-00-151-1003, 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
AN4-22
NSN: 5306-00-151-1003
FSC: 5306
CAGE: 88044 — AERONAUTICAL STANDARDS GROUP DEPT OF NAVY AND AIR FORCE (USA)
SPECIFICATIONS
materialSTEEL COMP 4140 OR STEEL COMP 8740 OR STEEL COMP 8630 OR STEEL COMP 8735 OR STEEL COMP 4130 OR STEEL COMP 4037 OVERALL
head_styleHEXAGON
grip_length1.812 INCHES NOMINAL IN
head_height0.140 INCHES MINIMUM AND 0.172 INCHES MAXIMUM IN
thread_class3A A
thread_length0.469 INCHES MINIMUM IN
fastener_length2.281 INCHES NOMINAL IN
hardness_rating26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL
thread_directionRIGHT-HAND
features_providedFINISHED HEAD
surface_treatmentCADMIUM AND CHROMATE OVERALL
width_between_flats0.428 INCHES MINIMUM AND 0.440 INCHES MAXIMUM IN
NSN5306-00-151-1003
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: AN4-22 · 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
•
WIDTH BETWEEN FLATS: 0.428 INCHES MINIMUM AND 0.440 INCHES MAXIMUM IN
•
HEAD STYLE: HEXAGON
•
THREAD SERIES DESIGNATOR: UNF
•
THREAD CLASS: 3A A
•
THREAD QUANTITY PER INCH: 28
•
HEAD HEIGHT: 0.140 INCHES MINIMUM AND 0.172 INCHES MAXIMUM IN
•
FASTENER LENGTH: 2.281 INCHES NOMINAL IN
•
NOMINAL THREAD DIAMETER: 0.250 INCHES IN
TECHNICAL CHARACTERISTICS (FLIS)
WIDTH BETWEEN FLATS0.428 INCHES MINIMUM AND 0.440 INCHES MAXIMUM IN
HEAD STYLEHEXAGON
THREAD SERIES DESIGNATORUNF
THREAD CLASS3A A
THREAD QUANTITY PER INCH28
HEAD HEIGHT0.140 INCHES MINIMUM AND 0.172 INCHES MAXIMUM IN
FASTENER LENGTH2.281 INCHES NOMINAL IN
NOMINAL THREAD DIAMETER0.250 INCHES IN
SURFACE TREATMENTCADMIUM AND CHROMATE OVERALL
FEATURES PROVIDEDFINISHED HEAD
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
X218-16Upgraded Successor
successor cross-reference
successor
5340PL0733091Upgraded Successor
successor cross-reference
successor
310634Upgraded Successor
successor cross-reference
successor
4001-39710Interchangeable
interchangeable cross-reference
interchangeable
4001-39710 ITEM 6Interchangeable
interchangeable cross-reference
interchangeable
39716Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
Ready to buy AN4-22?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is AN4-22?
AN4-22 is a BOLT,MACHINE.
What parts can replace AN4-22?
There are 6 known substitutes for AN4-22: X218-16, 5340PL0733091, 310634 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for AN4-22?
AN4-22 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5306-00-151-1003. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Comments (0)
No comments yet. Be the first to share what you know.
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — AN4-22

✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026