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Technical Data Sheet
PartsTable / COMPONENT / AN7-50
AN7-50 ✓ 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: 4.422 INCHES MINIMUM AND 4.453 INCHES MAXIMUM IN, head_height: 0.234 INCHES MINIMUM AND 0.266 INCHES MAXIMUM IN, thread_class: 3A A, thread_length: 0.625 INCHES MINIMUM AND 0.703 INCHES MAXIMUM IN, fastener_length: 5.078 INCHES MINIMUM AND 5.125 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 5306-00-156-2661, 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
AN7-50
NSN: 5306-00-156-2661
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_length4.422 INCHES MINIMUM AND 4.453 INCHES MAXIMUM IN
head_height0.234 INCHES MINIMUM AND 0.266 INCHES MAXIMUM IN
thread_class3A A
thread_length0.625 INCHES MINIMUM AND 0.703 INCHES MAXIMUM IN
fastener_length5.078 INCHES MINIMUM AND 5.125 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_flats0.615 INCHES MINIMUM AND 0.627 INCHES MAXIMUM IN
NSN5306-00-156-2661
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: AN7-50 · 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: 0.615 INCHES MINIMUM AND 0.627 INCHES MAXIMUM IN
•
FASTENER LENGTH: 5.094 INCHES NOMINAL IN
•
NOMINAL THREAD DIAMETER: 0.438 INCHES IN
•
MINIMUM TENSILE STRENGTH: 125000 POUNDS PER SQUARE INCH LBS
•
HEAD STYLE: HEXAGON
•
FEATURES PROVIDED: FINISHED HEAD
•
THREAD QUANTITY PER INCH: 20
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416,TYPE 2,CLASS 3 FED SPEC ALL TREATMENT RESPONSES OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
WIDTH BETWEEN FLATS0.615 INCHES MINIMUM AND 0.627 INCHES MAXIMUM IN
FASTENER LENGTH5.094 INCHES NOMINAL IN
NOMINAL THREAD DIAMETER0.438 INCHES IN
MINIMUM TENSILE STRENGTH125000 POUNDS PER SQUARE INCH LBS
HEAD STYLEHEXAGON
FEATURES PROVIDEDFINISHED HEAD
THREAD QUANTITY PER INCH20
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TYPE 2,CLASS 3 FED SPEC ALL TREATMENT RESPONSES OVERALL
GRIP LENGTH4.438 INCHES NOMINAL IN
THREAD LENGTH0.656 INCHES MINIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
MILB6812Interchangeable
interchangeable cross-reference
interchangeable
AN7-50AInterchangeable
interchangeable cross-reference
interchangeable
AN7-50Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is AN7-50?
AN7-50 is a BOLT,MACHINE.
What parts can replace AN7-50?
There are 3 known substitutes for AN7-50: MILB6812, AN7-50A, AN7-50. Substitute compatibility should be verified for your specific system.
What is the NSN for AN7-50?
AN7-50 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5306-00-156-2661. 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