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PartsTable / COMPONENT / AN525-832-8
AN525-832-8 ✓ 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: ROUND EXTENDED WASHER, head_height: 0.087 INCHES NOMINAL IN, thread_class: 3A A, head_diameter: 0.312 INCHES NOMINAL IN, thread_length: 0.313 INCHES MINIMUM IN, screw_material: STEEL COMP 2330. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-507-9281, 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
AN525-832-8
NSN: 5305-00-507-9281
FSC: 5305
CAGE: 88044 — AERONAUTICAL STANDARDS GROUP DEPT OF NAVY AND AIR FORCE (USA)
SPECIFICATIONS
head_styleROUND EXTENDED WASHER
head_height0.087 INCHES NOMINAL IN
thread_class3A A
head_diameter0.312 INCHES NOMINAL IN
thread_length0.313 INCHES MINIMUM IN
screw_materialSTEEL COMP 2330
fastener_length0.469 INCHES MINIMUM AND 0.531 INCHES MAXIMUM IN
thread_directionRIGHT-HAND
internal_drive_styleSLOT
nominal_thread_diameter0.164 INCHES IN
screw_surface_treatmentCADMIUM OR ZINC
extended_washer_diameter0.375 INCHES NOMINAL IN
NSN5305-00-507-9281
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: AN525-832-8 · 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
•
SCREW MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-689 FED SPEC SINGLE MATERIAL RESPONSE
•
HEAD HEIGHT: 0.087 INCHES NOMINAL IN
•
EXTENDED WASHER THICKNESS: 0.023 INCHES MINIMUM AND 0.028 INCHES MAXIMUM IN
•
SCREW SURFACE TREATMENT: CADMIUM OR ZINC
•
HEAD DIAMETER: 0.312 INCHES NOMINAL IN
•
THREAD CLASS: 3A A
•
HEAD STYLE: ROUND EXTENDED WASHER
•
THREAD SERIES DESIGNATOR: UNIFIED NATIONAL COARSE (UNC)
TECHNICAL CHARACTERISTICS (FLIS)
SCREW MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-689 FED SPEC SINGLE MATERIAL RESPONSE
HEAD HEIGHT0.087 INCHES NOMINAL IN
EXTENDED WASHER THICKNESS0.023 INCHES MINIMUM AND 0.028 INCHES MAXIMUM IN
SCREW SURFACE TREATMENTCADMIUM OR ZINC
HEAD DIAMETER0.312 INCHES NOMINAL IN
THREAD CLASS3A A
HEAD STYLEROUND EXTENDED WASHER
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)
THREAD DIRECTIONRIGHT-HAND
FASTENER LENGTH0.469 INCHES MINIMUM AND 0.531 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
13987Interchangeable
interchangeable cross-reference
interchangeable
P11951Interchangeable
interchangeable cross-reference
interchangeable
43750Interchangeable
interchangeable cross-reference
interchangeable
ECO-SANInterchangeable
interchangeable cross-reference
interchangeable
14020-H-33011Interchangeable
interchangeable cross-reference
interchangeable
1231955Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is AN525-832-8?
AN525-832-8 is a SCREW,MACHINE.
What parts can replace AN525-832-8?
There are 9 known substitutes for AN525-832-8: 13987, P11951, 43750 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for AN525-832-8?
AN525-832-8 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-507-9281. This indicates validated use in U.S. government and defense supply chains.
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PartsTable Design LLC · partstable.com
Last verified: July 2026