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Technical Data Sheet
PartsTable / COMPONENT / 523817-14
523817-14 ✓ 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 COMP 303 OVERALL, head_style: FLAT CHAMFER, head_height: 0.125 INCHES MINIMUM AND 0.187 INCHES MAXIMUM IN, thread_class: 2A A, head_diameter: 0.281 INCHES MINIMUM AND 0.343 INCHES MAXIMUM IN, thread_length: 0.1565 INCHES MINIMUM AND 0.2185 INCHES MAXIMUM 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 5305-01-231-5906, 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
523817-14
NSN: 5305-01-231-5906
FSC: 5305
CAGE: 80020 — NAVAL AIR WARFARE CENTER AIRCRAFT DIVISION JOINT BASE JBMDL (USA)
SPECIFICATIONS
materialSTEEL COMP 303 OVERALL
head_styleFLAT CHAMFER
head_height0.125 INCHES MINIMUM AND 0.187 INCHES MAXIMUM IN
thread_class2A A
head_diameter0.281 INCHES MINIMUM AND 0.343 INCHES MAXIMUM IN
thread_length0.1565 INCHES MINIMUM AND 0.2185 INCHES MAXIMUM IN
shoulder_shapeROUND FIRST SHOULDER
fastener_length1.1590 INCHES MINIMUM AND 1.2190 INCHES MAXIMUM IN
shoulder_length1.0005 INCHES MINIMUM AND 1.0025 INCHES MAXIMUM FIRST SHOULDER IN
thread_directionRIGHT-HAND
shoulder_diameter0.1869 INCHES MINIMUM AND 0.1870 INCHES MAXIMUM FIRST SHOULDER IN
surface_treatmentPASSIVATE OVERALL
NSN5305-01-231-5906
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 523817-14 · 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
•
THREAD CLASS: 2A A
•
SHOULDER DIAMETER: 0.1869 INCHES MINIMUM AND 0.1870 INCHES MAXIMUM FIRST SHOULDER IN
•
WIDTH ACROSS FLATS: 0.094 INCHES MINIMUM AND 0.095 INCHES MAXIMUM IN
•
NOMINAL THREAD DIAMETER: 0.164 INCHES IN
•
HEAD STYLE: FLAT CHAMFER
•
THREAD SERIES DESIGNATOR: UNIFIED NATIONAL COARSE (UNC)
•
SURFACE TREATMENT: PASSIVATE OVERALL
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
THREAD CLASS2A A
SHOULDER DIAMETER0.1869 INCHES MINIMUM AND 0.1870 INCHES MAXIMUM FIRST SHOULDER IN
WIDTH ACROSS FLATS0.094 INCHES MINIMUM AND 0.095 INCHES MAXIMUM IN
NOMINAL THREAD DIAMETER0.164 INCHES IN
HEAD STYLEFLAT CHAMFER
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)
SURFACE TREATMENTPASSIVATE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
THREAD LENGTH0.1565 INCHES MINIMUM AND 0.2185 INCHES MAXIMUM IN
THREAD DIRECTIONRIGHT-HAND
VERIFIED SUBSTITUTES & CROSS-REFERENCES 23
319YInterchangeable
interchangeable cross-reference
interchangeable
313-001-048Interchangeable
interchangeable cross-reference
interchangeable
2651-335Interchangeable
interchangeable cross-reference
interchangeable
10086303Interchangeable
interchangeable cross-reference
interchangeable
44-23Interchangeable
interchangeable cross-reference
interchangeable
M22520/5-23 TY2Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 523817-14?
523817-14 is a SCREW,SHOULDER.
What parts can replace 523817-14?
There are 23 known substitutes for 523817-14: 319Y, 313-001-048, 2651-335 and 20 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 523817-14?
523817-14 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-01-231-5906. 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