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581911838575 — BOLT,SHOULDER

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

581911838575: BOLT,SHOULDER.

The BOLT,SHOULDER is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, head_style: HEXAGON, head_height: 0.980 INCHES MINIMUM AND 1.000 INCHES MAXIMUM IN, thread_class: 3A A, thread_length: 1.200 INCHES MINIMUM AND 1.270 INCHES MAXIMUM IN, shoulder_shape: ROUND FIRST SHOULDER. This part is cataloged in the U.S.

Government catalog under NSN 5306-00-486-0030, 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
581911838575
NSN: 5306-00-486-0030
FSC: 5306 — Bolts
CAGE: A1140 — LEONARDO SPA DIVISIONE SISTEMI DI DIFESA (ITA)
SPECIFICATIONS
materialSTEEL OVERALL
head_styleHEXAGON
head_height0.980 INCHES MINIMUM AND 1.000 INCHES MAXIMUM IN
thread_class3A A
thread_length1.200 INCHES MINIMUM AND 1.270 INCHES MAXIMUM IN
shoulder_shapeROUND FIRST SHOULDER
fastener_length1.570 INCHES MINIMUM AND 1.600 INCHES MAXIMUM IN
hardness_rating38.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM OVERALL
shoulder_length0.250 INCHES MINIMUM AND 0.270 INCHES MAXIMUM FIRST SHOULDER IN
special_featuresHOLE IN HEAD 0.680 IN. DIA BY 0.500 IN. DEEP IN
thread_directionRIGHT-HAND
shoulder_diameter0.6375 INCHES MINIMUM AND 0.6395 INCHES MAXIMUM FIRST SHOULDER IN
NSN5306-00-486-0030
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 581911838575 · 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: 0.980 INCHES MINIMUM AND 1.000 INCHES MAXIMUM IN
•
FASTENER LENGTH: 1.570 INCHES MINIMUM AND 1.600 INCHES MAXIMUM IN
•
SHOULDER LENGTH: 0.250 INCHES MINIMUM AND 0.270 INCHES MAXIMUM FIRST SHOULDER IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: AMS 2416 ASSN STD ALL TREATMENT RESPONSES OVERALL
•
SHOULDER DIAMETER: 0.6375 INCHES MINIMUM AND 0.6395 INCHES MAXIMUM FIRST SHOULDER IN
•
SPECIAL TEST FEATURES: MAGNETIC PARTICLE INSPECTED MIL-I-6868
•
THREAD LENGTH: 1.200 INCHES MINIMUM AND 1.270 INCHES MAXIMUM IN
•
SHOULDER SHAPE: ROUND FIRST SHOULDER
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.980 INCHES MINIMUM AND 1.000 INCHES MAXIMUM IN
FASTENER LENGTH1.570 INCHES MINIMUM AND 1.600 INCHES MAXIMUM IN
SHOULDER LENGTH0.250 INCHES MINIMUM AND 0.270 INCHES MAXIMUM FIRST SHOULDER IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONAMS 2416 ASSN STD ALL TREATMENT RESPONSES OVERALL
SHOULDER DIAMETER0.6375 INCHES MINIMUM AND 0.6395 INCHES MAXIMUM FIRST SHOULDER IN
SPECIAL TEST FEATURESMAGNETIC PARTICLE INSPECTED MIL-I-6868
THREAD LENGTH1.200 INCHES MINIMUM AND 1.270 INCHES MAXIMUM IN
SHOULDER SHAPEROUND FIRST SHOULDER
HARDNESS RATING38.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-624,COMP 4140 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
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

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 581911838575?
581911838575 is a BOLT,SHOULDER.
What is the NSN for 581911838575?
581911838575 is cataloged in the U.S. Government catalog under NSN 5306-00-486-0030. 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.