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Technical Data Sheet
PartsTable / COMPONENT / 8526306
8526306 ✓ 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,SHOULDER is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, head_style: PAN NO. 2, head_height: 0.188 INCHES NOMINAL IN, thread_class: 3A A, head_diameter: 0.625 INCHES NOMINAL IN, thread_length: 0.313 INCHES MINIMUM 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 5305-00-699-9574, 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
8526306
NSN: 5305-00-699-9574
FSC: 5305
CAGE: 18876 — US ARMY AVIATION AND MISSILE COMMAND (USA)
SPECIFICATIONS
materialSTEEL OVERALL
head_stylePAN NO. 2
head_height0.188 INCHES NOMINAL IN
thread_class3A A
head_diameter0.625 INCHES NOMINAL IN
thread_length0.313 INCHES MINIMUM IN
shoulder_shapeROUND FIRST SHOULDER
fastener_length0.687 INCHES NOMINAL IN
shoulder_length0.312 INCHES MINIMUM AND 0.343 INCHES MAXIMUM FIRST SHOULDER IN
special_featuresTHD RELIEVED GROOVE
thread_directionRIGHT-HAND
shoulder_diameter0.359 INCHES MINIMUM AND 0.391 INCHES MAXIMUM FIRST SHOULDER IN
NSN5305-00-699-9574
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 8526306 · 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
•
SHOULDER DIAMETER: 0.359 INCHES MINIMUM AND 0.391 INCHES MAXIMUM FIRST SHOULDER IN
•
NOMINAL THREAD DIAMETER: 0.250 INCHES IN
•
MATERIAL: STEEL OVERALL
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416 TY2 CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
•
HEAD STYLE: PAN NO. 2
•
THREAD SERIES DESIGNATOR: UNIFIED NATIONAL COARSE (UNC)
•
THREAD QUANTITY PER INCH: 20
•
SURFACE TREATMENT: CADMIUM AND CHROMATE OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
SHOULDER DIAMETER0.359 INCHES MINIMUM AND 0.391 INCHES MAXIMUM FIRST SHOULDER IN
NOMINAL THREAD DIAMETER0.250 INCHES IN
MATERIALSTEEL OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416 TY2 CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
HEAD STYLEPAN NO. 2
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)
THREAD QUANTITY PER INCH20
SURFACE TREATMENTCADMIUM AND CHROMATE OVERALL
HEAD DIAMETER0.625 INCHES NOMINAL IN
THREAD LENGTH0.313 INCHES MINIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 17
7438945-8Interchangeable
interchangeable cross-reference
interchangeable
A1-11Interchangeable
interchangeable cross-reference
interchangeable
SS2Interchangeable
interchangeable cross-reference
interchangeable
TT-2Interchangeable
interchangeable cross-reference
interchangeable
5S7219Interchangeable
interchangeable cross-reference
interchangeable
517Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 8526306?
8526306 is a SCREW,SHOULDER.
What parts can replace 8526306?
There are 17 known substitutes for 8526306: 7438945-8, A1-11, SS2 and 14 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 8526306?
8526306 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-699-9574. 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