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8T22XSS — BOLT,SHOULDER

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

8T22XSS: BOLT,SHOULDER.

The BOLT,SHOULDER is a the manufacturer industrial component. Key specifications include head_height: 0.281 INCHES NOMINAL IN, thread_class: 2A A, head_diameter: 0.672 INCHES NOMINAL IN, thread_length: 0.281 INCHES MINIMUM IN, shoulder_shape: ROUND FIRST SHOULDER, fastener_length: 0.688 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5306-00-110-5672, 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
8T22XSS
NSN: 5306-00-110-5672
FSC: 5306 — Bolts
CAGE: 30780 — PARKER-HANNIFIN CORPORATION DBA PNEUTRONICS DIV TUBE FITTINGS DIVISION (USA)
SPECIFICATIONS
head_height0.281 INCHES NOMINAL IN
thread_class2A A
head_diameter0.672 INCHES NOMINAL IN
thread_length0.281 INCHES MINIMUM IN
shoulder_shapeROUND FIRST SHOULDER
fastener_length0.688 INCHES NOMINAL IN
shoulder_length0.391 INCHES NOMINAL FIRST SHOULDER IN
shoulder_diameter0.3043 INCHES MINIMUM AND 0.3125 INCHES MAXIMUM FIRST SHOULDER IN
nominal_thread_diameter0.312 INCHES IN
thread_quantity_per_inch18
thread_series_designatorUNIFIED NATIONAL COARSE (UNC)
NSN5306-00-110-5672
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 8T22XSS · 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
•
HEAD HEIGHT: 0.281 INCHES NOMINAL IN
•
FASTENER LENGTH: 0.688 INCHES NOMINAL IN
•
SHOULDER LENGTH: 0.391 INCHES NOMINAL FIRST SHOULDER IN
•
SHOULDER DIAMETER: 0.3043 INCHES MINIMUM AND 0.3125 INCHES MAXIMUM FIRST SHOULDER IN
•
THREAD LENGTH: 0.281 INCHES MINIMUM IN
•
SHOULDER SHAPE: ROUND FIRST SHOULDER
•
NOMINAL THREAD DIAMETER: 0.312 INCHES IN
•
THREAD CLASS: 2A A
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.281 INCHES NOMINAL IN
FASTENER LENGTH0.688 INCHES NOMINAL IN
SHOULDER LENGTH0.391 INCHES NOMINAL FIRST SHOULDER IN
SHOULDER DIAMETER0.3043 INCHES MINIMUM AND 0.3125 INCHES MAXIMUM FIRST SHOULDER IN
THREAD LENGTH0.281 INCHES MINIMUM IN
SHOULDER SHAPEROUND FIRST SHOULDER
NOMINAL THREAD DIAMETER0.312 INCHES IN
THREAD CLASS2A A
THREAD QUANTITY PER INCH18
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)
OTHER ITEMS IN FSC 5306 — Bolts
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5306-00-004-7044 5306-00-007-6129 5306-00-008-7899 5306-00-009-4739 5306-00-118-7332 5306-00-151-1777 5306-00-255-4507 5306-01-101-2459
SUBSTITUTES & CROSS-REFERENCES 1
2586838Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 8T22XSS?
8T22XSS is a BOLT,SHOULDER.
What parts can replace 8T22XSS?
There is 1 known substitute for 8T22XSS: 2586838. Substitute compatibility should be verified for your specific system.
What is the NSN for 8T22XSS?
8T22XSS is cataloged in the U.S. Government catalog under NSN 5306-00-110-5672. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.