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PartsTable / COMPONENT / 12268563
12268563 ✓ 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,CAP,HEXAGON HEAD is a the manufacturer industrial component. Key specifications include material: STEEL COMP 8640 OVERALL, head_style: CROWNED HEXAGON, head_height: 0.530 INCHES MINIMUM AND 0.640 INCHES MAXIMUM IN, thread_class: 2A A, thread_length: 1.000 INCHES NOMINAL IN, fastener_length: 1.610 INCHES MINIMUM AND 1.640 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 5305-01-339-9561, 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
12268563
NSN: 5305-01-339-9561
FSC: 5305
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)
SPECIFICATIONS
materialSTEEL COMP 8640 OVERALL
head_styleCROWNED HEXAGON
head_height0.530 INCHES MINIMUM AND 0.640 INCHES MAXIMUM IN
thread_class2A A
thread_length1.000 INCHES NOMINAL IN
fastener_length1.610 INCHES MINIMUM AND 1.640 INCHES MAXIMUM IN
hardness_rating37.0 ROCKWELL C MINIMUM AND 44.0 ROCKWELL C MAXIMUM OVERALL
thread_directionRIGHT-HAND
surface_treatmentOIL OVERALL
width_between_flats1.100 INCHES MINIMUM AND 1.125 INCHES MAXIMUM IN
nominal_thread_diameter0.750 INCHES IN
thread_quantity_per_inch16
NSN5305-01-339-9561
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 12268563 · 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 QUANTITY PER INCH: 16
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM A322 ASSN STD SINGLE MATERIAL RESPONSE OR ASTM A331 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
SURFACE TREATMENT: OIL OVERALL
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: MIL-L-3150 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
•
THREAD SERIES DESIGNATOR: UNF
•
THREAD LENGTH: 1.000 INCHES NOMINAL IN
•
NOMINAL THREAD DIAMETER: 0.750 INCHES IN
•
MATERIAL: STEEL COMP 8640 OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
THREAD QUANTITY PER INCH16
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A322 ASSN STD SINGLE MATERIAL RESPONSE OR ASTM A331 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENTOIL OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-L-3150 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
THREAD SERIES DESIGNATORUNF
THREAD LENGTH1.000 INCHES NOMINAL IN
NOMINAL THREAD DIAMETER0.750 INCHES IN
MATERIALSTEEL COMP 8640 OVERALL
WIDTH BETWEEN FLATS1.100 INCHES MINIMUM AND 1.125 INCHES MAXIMUM IN
HEAD STYLECROWNED HEXAGON
VERIFIED SUBSTITUTES & CROSS-REFERENCES 18
1307/9CInterchangeable
interchangeable cross-reference
interchangeable
8744Interchangeable
interchangeable cross-reference
interchangeable
1602914Interchangeable
interchangeable cross-reference
interchangeable
8744K8Interchangeable
interchangeable cross-reference
interchangeable
5035L605-1Interchangeable
interchangeable cross-reference
interchangeable
1104050-2Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 12268563?
12268563 is a SCREW,CAP,HEXAGON HEAD.
What parts can replace 12268563?
There are 18 known substitutes for 12268563: 1307/9C, 8744, 1602914 and 15 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 12268563?
12268563 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-01-339-9561. 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