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Technical Data Sheet
PartsTable / COMPONENT / AN5-7
AN5-7 ✓ 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: 0.422 INCHES MINIMUM AND 0.453 INCHES MAXIMUM IN, head_height: 0.172 INCHES MINIMUM AND 0.204 INCHES MAXIMUM IN, thread_class: 3A A, thread_length: 0.500 INCHES MINIMUM AND 0.578 INCHES MAXIMUM IN, fastener_length: 0.953 INCHES MINIMUM AND 1.000 INCHES MAXIMUM IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5306-00-151-1723, 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
AN5-7
NSN: 5306-00-151-1723
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_length0.422 INCHES MINIMUM AND 0.453 INCHES MAXIMUM IN
head_height0.172 INCHES MINIMUM AND 0.204 INCHES MAXIMUM IN
thread_class3A A
thread_length0.500 INCHES MINIMUM AND 0.578 INCHES MAXIMUM IN
fastener_length0.953 INCHES MINIMUM AND 1.000 INCHES MAXIMUM 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_flats0.490 INCHES MINIMUM AND 0.502 INCHES MAXIMUM IN
NSN5306-00-151-1723
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: AN5-7 · 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
•
THREAD QUANTITY PER INCH: 24
•
NOMINAL THREAD DIAMETER: 0.312 INCHES IN
•
SURFACE TREATMENT: CADMIUM AND CHROMATE OVERALL
•
FASTENER LENGTH: 0.953 INCHES MINIMUM AND 1.000 INCHES MAXIMUM IN
•
THREAD CLASS: 3A A
•
HARDNESS RATING: 26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL
•
MINIMUM TENSILE STRENGTH: 125000 POUNDS PER SQUARE INCH LBS
•
SHANK UNTHREADED HOLE DIAMETER: 0.076 INCHES MINIMUM AND 0.086 INCHES MAXIMUM FIRST HOLE IN
TECHNICAL CHARACTERISTICS (FLIS)
THREAD QUANTITY PER INCH24
NOMINAL THREAD DIAMETER0.312 INCHES IN
SURFACE TREATMENTCADMIUM AND CHROMATE OVERALL
FASTENER LENGTH0.953 INCHES MINIMUM AND 1.000 INCHES MAXIMUM IN
THREAD CLASS3A A
HARDNESS RATING26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL
MINIMUM TENSILE STRENGTH125000 POUNDS PER SQUARE INCH LBS
SHANK UNTHREADED HOLE DIAMETER0.076 INCHES MINIMUM AND 0.086 INCHES MAXIMUM FIRST HOLE IN
HEAD HEIGHT0.172 INCHES MINIMUM AND 0.204 INCHES MAXIMUM IN
DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER0.781 INCHES MINIMUM AND 0.812 INCHES MAXIMUM FIRST HOLE IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 19
21399Upgraded Successor
successor cross-reference
successor
021399-000Upgraded Successor
successor cross-reference
successor
19850Upgraded Successor
successor cross-reference
successor
PM21399Interchangeable
interchangeable cross-reference
interchangeable
VP-55Interchangeable
interchangeable cross-reference
interchangeable
399Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is AN5-7?
AN5-7 is a BOLT,MACHINE.
What parts can replace AN5-7?
There are 19 known substitutes for AN5-7: 21399, 021399-000, 19850 and 16 more. Substitute compatibility should be verified for your specific system.
Is AN5-7 still available?
AN5-7 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026