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PartsTable / COMPONENT / AN505-416R18
AN505-416R18 ✓ 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 SCREW,MACHINE is a the manufacturer industrial component. Key specifications include head_style: FLAT COUNTERSUNK, thread_class: 2A A, head_diameter: 0.462 INCHES MINIMUM AND 0.507 INCHES MAXIMUM IN, thread_length: 1.025 INCHES MINIMUM AND 1.125 INCHES MAXIMUM IN, screw_material: STEEL OR STEEL COMP 1010, fastener_length: 1.125 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-151-0079, 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
AN505-416R18
NSN: 5305-00-151-0079
FSC: 5305
CAGE: 88044 — AERONAUTICAL STANDARDS GROUP DEPT OF NAVY AND AIR FORCE (USA)
SPECIFICATIONS
head_styleFLAT COUNTERSUNK
thread_class2A A
head_diameter0.462 INCHES MINIMUM AND 0.507 INCHES MAXIMUM IN
thread_length1.025 INCHES MINIMUM AND 1.125 INCHES MAXIMUM IN
screw_materialSTEEL OR STEEL COMP 1010
fastener_length1.125 INCHES NOMINAL IN
thread_directionRIGHT-HAND
countersink_angle80.0 DEGREES MINIMUM AND 82.0 DEGREES MAXIMUM
internal_drive_styleCROSS RECESS TYPE 1
nominal_thread_diameter0.250 INCHES IN
screw_surface_treatmentCADMIUM
minimum_tensile_strength55000 POUNDS PER SQUARE INCH LBS
NSN5305-00-151-0079
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: AN505-416R18 · 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
•
SCREW SURFACE TREATMENT: CADMIUM
•
COUNTERSINK ANGLE: 80.0 DEGREES MINIMUM AND 82.0 DEGREES MAXIMUM
•
THREAD LENGTH: 1.025 INCHES MINIMUM AND 1.125 INCHES MAXIMUM IN
•
SCREW SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416,TY 1,CL 3 FED SPEC SINGLE TREATMENT RESPONSE
•
INTERNAL DRIVE STYLE: CROSS RECESS TYPE 1
•
SCREW MATERIAL: STEEL OR STEEL COMP 1010
•
THREAD QUANTITY PER INCH: 20
•
SCREW MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-630 FED SPEC 2ND MATERIAL RESPONSE OR QQ-S-631 FED SPEC 2ND MATERIAL RESPONSE OR QQ-S-634 FED SPEC 2ND MATERIAL RESPONSE
TECHNICAL CHARACTERISTICS (FLIS)
SCREW SURFACE TREATMENTCADMIUM
COUNTERSINK ANGLE80.0 DEGREES MINIMUM AND 82.0 DEGREES MAXIMUM
THREAD LENGTH1.025 INCHES MINIMUM AND 1.125 INCHES MAXIMUM IN
SCREW SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TY 1,CL 3 FED SPEC SINGLE TREATMENT RESPONSE
INTERNAL DRIVE STYLECROSS RECESS TYPE 1
SCREW MATERIALSTEEL OR STEEL COMP 1010
THREAD QUANTITY PER INCH20
SCREW MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-630 FED SPEC 2ND MATERIAL RESPONSE OR QQ-S-631 FED SPEC 2ND MATERIAL RESPONSE OR QQ-S-634 FED SPEC 2ND MATERIAL RESPONSE
HEAD DIAMETER0.462 INCHES MINIMUM AND 0.507 INCHES MAXIMUM IN
MINIMUM TENSILE STRENGTH55000 POUNDS PER SQUARE INCH LBS
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
FFS92Interchangeable
Same NIIN cross-reference
interchangeable
FFS92ANDTYPE3ANDSTYLE2Interchangeable
Same NIIN cross-reference
interchangeable
113994Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is AN505-416R18?
AN505-416R18 is a SCREW,MACHINE.
What parts can replace AN505-416R18?
There are 3 known substitutes for AN505-416R18: FFS92, FFS92ANDTYPE3ANDSTYLE2, 113994. Substitute compatibility should be verified for your specific system.
Is AN505-416R18 still available?
AN505-416R18 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