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AN503-416-16 — SCREW,MACHINE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

AN503-416-16: SCREW,MACHINE.

The SCREW,MACHINE is a the manufacturer industrial component. Key specifications include head_style: FILLISTER, head_height: 0.161 INCHES MINIMUM AND 0.170 INCHES MAXIMUM IN, thread_class: 3A A, head_diameter: 0.309 INCHES MINIMUM AND 0.414 INCHES MAXIMUM IN, hole_diameter: 0.061 INCHES MINIMUM AND 0.066 INCHES MAXIMUM IN, thread_length: 0.731 INCHES MINIMUM AND 0.954 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5305-00-150-9265, 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
AN503-416-16
NSN: 5305-00-150-9265
FSC: 5305 — Screws
CAGE: 88044 — AERONAUTICAL STANDARDS GROUP DEPT OF NAVY AND AIR FORCE (USA)
SPECIFICATIONS
head_styleFILLISTER
head_height0.161 INCHES MINIMUM AND 0.170 INCHES MAXIMUM IN
thread_class3A A
head_diameter0.309 INCHES MINIMUM AND 0.414 INCHES MAXIMUM IN
hole_diameter0.061 INCHES MINIMUM AND 0.066 INCHES MAXIMUM IN
hole_quantity1
thread_length0.731 INCHES MINIMUM AND 0.954 INCHES MAXIMUM IN
screw_materialSTEEL COMP 8630
fastener_length1.000 INCHES NOMINAL IN
hardness_rating26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM
thread_directionRIGHT-HAND
internal_drive_styleCROSS RECESS TYPE 1
NSN5305-00-150-9265
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: AN503-416-16 · 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
•
HEAD HEIGHT: 0.161 INCHES MINIMUM AND 0.170 INCHES MAXIMUM IN
•
SCREW SURFACE TREATMENT: CADMIUM
•
FASTENER LENGTH: 1.000 INCHES NOMINAL IN
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SCREW MATERIAL DOCUMENT AND CLASSIFICATION: MIL-S-6050 MIL SPEC SINGLE MATERIAL RESPONSE OR AN-S-9 MIL STD SINGLE MATERIAL RESPONSE
•
THREAD LENGTH: 0.731 INCHES MINIMUM AND 0.954 INCHES MAXIMUM IN
•
HARDNESS RATING: 26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM
•
NOMINAL THREAD DIAMETER: 0.250 INCHES IN
•
HEAD STYLE: FILLISTER
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.161 INCHES MINIMUM AND 0.170 INCHES MAXIMUM IN
SCREW SURFACE TREATMENTCADMIUM
FASTENER LENGTH1.000 INCHES NOMINAL IN
SCREW MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-6050 MIL SPEC SINGLE MATERIAL RESPONSE OR AN-S-9 MIL STD SINGLE MATERIAL RESPONSE
THREAD LENGTH0.731 INCHES MINIMUM AND 0.954 INCHES MAXIMUM IN
HARDNESS RATING26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM
NOMINAL THREAD DIAMETER0.250 INCHES IN
HEAD STYLEFILLISTER
THREAD DIRECTIONRIGHT-HAND
SCREW MATERIALSTEEL COMP 8630
SUBSTITUTES & CROSS-REFERENCES 2
MILS7839Reference document
Same NSN cross-reference
Reference document — Secondary reference
399604Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is AN503-416-16?
AN503-416-16 is a SCREW,MACHINE.
What parts can replace AN503-416-16?
There are 2 known substitutes for AN503-416-16: MILS7839, 399604. Substitute compatibility should be verified for your specific system.
What is the NSN for AN503-416-16?
AN503-416-16 is cataloged in the U.S. Government catalog under NSN 5305-00-150-9265. This indicates validated use in U.S. government and defense supply chains.
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PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.