PartsTable
Technical Data Sheet
AN503-8-8 ✓ 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: FILLISTER, head_height: 0.106 INCHES MINIMUM AND 0.113 INCHES MAXIMUM IN, thread_class: 3A A, head_diameter: 0.250 INCHES MINIMUM AND 0.270 INCHES MAXIMUM IN, hole_diameter: 0.045 INCHES NOMINAL IN, thread_length: 0.344 INCHES MINIMUM AND 0.469 INCHES MAXIMUM IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-145-7011, 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
AN503-8-8
NSN: 5305-00-145-7011
FSC: 5305
CAGE: 88044 — AERONAUTICAL STANDARDS GROUP DEPT OF NAVY AND AIR FORCE (USA)
SPECIFICATIONS
head_styleFILLISTER
head_height0.106 INCHES MINIMUM AND 0.113 INCHES MAXIMUM IN
thread_class3A A
head_diameter0.250 INCHES MINIMUM AND 0.270 INCHES MAXIMUM IN
hole_diameter0.045 INCHES NOMINAL IN
hole_quantity1
thread_length0.344 INCHES MINIMUM AND 0.469 INCHES MAXIMUM IN
screw_materialSTEEL COMP 8630
fastener_length0.500 INCHES NOMINAL IN
hardness_rating26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM
thread_directionRIGHT-HAND
internal_drive_styleCROSS RECESS TYPE 1
NSN5305-00-145-7011
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: AN503-8-8 · 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
NOMINAL THREAD DIAMETER: 0.164 INCHES IN
HEAD HOLE CONFIGURATION STYLE: ROUND
SCREW SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416,TY 1,CL 3 FED SPEC SINGLE TREATMENT RESPONSE
HEAD STYLE: FILLISTER
INTERNAL DRIVE STYLE: CROSS RECESS TYPE 1
MINIMUM TENSILE STRENGTH: 125000 POUNDS PER SQUARE INCH LBS
SCREW MATERIAL: STEEL COMP 8630
HOLE QUANTITY: 1
TECHNICAL CHARACTERISTICS (FLIS)
NOMINAL THREAD DIAMETER0.164 INCHES IN
HEAD HOLE CONFIGURATION STYLEROUND
SCREW SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TY 1,CL 3 FED SPEC SINGLE TREATMENT RESPONSE
HEAD STYLEFILLISTER
INTERNAL DRIVE STYLECROSS RECESS TYPE 1
MINIMUM TENSILE STRENGTH125000 POUNDS PER SQUARE INCH LBS
SCREW MATERIALSTEEL COMP 8630
HOLE QUANTITY1
THREAD QUANTITY PER INCH32
HEAD DIAMETER0.250 INCHES MINIMUM AND 0.270 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 7
D78315Interchangeable
interchangeable cross-reference
interchangeable
49566Interchangeable
interchangeable cross-reference
interchangeable
110897Interchangeable
interchangeable cross-reference
interchangeable
78315Interchangeable
interchangeable cross-reference
interchangeable
XM-55050-24-2700-O-L-30Interchangeable
interchangeable cross-reference
interchangeable
931.45.16.310Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
Ready to buy AN503-8-8?
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 AN503-8-8?
AN503-8-8 is a SCREW,MACHINE.
What parts can replace AN503-8-8?
There are 7 known substitutes for AN503-8-8: D78315, 49566, 110897 and 4 more. Substitute compatibility should be verified for your specific system.
Is AN503-8-8 still available?
AN503-8-8 is currently cancelled.
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 — AN503-8-8