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19M8319 — BOLT,SHOULDER

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

19M8319: BOLT,SHOULDER.

The BOLT,SHOULDER is a the manufacturer industrial component. Key specifications include head_style: HEXAGON EXTENDED WASHER, head_height: 0.319 INCHES NOMINAL IN, thread_length: 0.866 INCHES NOMINAL IN, fastener_length: 1.103 INCHES NOMINAL IN, width_between_flats: 0.512 INCHES NOMINAL IN, nominal_thread_diameter: 0.315 INCHES IN. This part is cataloged in the U.S.

Government catalog under NSN 5306-01-546-1574, 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
19M8319
NSN: 5306-01-546-1574
FSC: 5306 — Bolts
CAGE: 1QME2 — JOHN DEERE CONSTRUCTION & FORESTRY COMPANY (USA)
SPECIFICATIONS
head_styleHEXAGON EXTENDED WASHER
head_height0.319 INCHES NOMINAL IN
thread_length0.866 INCHES NOMINAL IN
fastener_length1.103 INCHES NOMINAL IN
width_between_flats0.512 INCHES NOMINAL IN
nominal_thread_diameter0.315 INCHES IN
extended_washer_diameter0.709 INCHES NOMINAL IN
thread_pitch_in_millimeters1.2
part_name_assigned_by_controlling_agencySCREW,FLANGED,METRIC
NSN5306-01-546-1574
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 19M8319 · 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: 0.319 INCHES NOMINAL IN
•
FASTENER LENGTH: 1.103 INCHES NOMINAL IN
•
EXTENDED WASHER DIAMETER: 0.709 INCHES NOMINAL IN
•
THREAD PITCH IN MILLIMETERS: 1.2
•
THREAD LENGTH: 0.866 INCHES NOMINAL IN
•
NOMINAL THREAD DIAMETER: 0.315 INCHES IN
•
HEAD STYLE: HEXAGON EXTENDED WASHER
•
WIDTH BETWEEN FLATS: 0.512 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.319 INCHES NOMINAL IN
FASTENER LENGTH1.103 INCHES NOMINAL IN
EXTENDED WASHER DIAMETER0.709 INCHES NOMINAL IN
THREAD PITCH IN MILLIMETERS1.2
THREAD LENGTH0.866 INCHES NOMINAL IN
NOMINAL THREAD DIAMETER0.315 INCHES IN
HEAD STYLEHEXAGON EXTENDED WASHER
WIDTH BETWEEN FLATS0.512 INCHES NOMINAL IN
PART NAME ASSIGNED BY CONTROLLING AGENCYSCREW,FLANGED,METRIC
OTHER ITEMS IN FSC 5306 — Bolts
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5306-00-001-1276 5306-00-001-1949 5306-00-001-1988 5306-00-001-1989 5306-00-001-1990 5306-00-001-1991 5306-00-001-1993 5306-00-001-2017
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

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 19M8319?
19M8319 is a BOLT,SHOULDER.
What is the NSN for 19M8319?
19M8319 is cataloged in the U.S. Government catalog under NSN 5306-01-546-1574. 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.