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4059356 — BOLT,SHOULDER

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

4059356: BOLT,SHOULDER.

The BOLT,SHOULDER is a the manufacturer industrial component. Key specifications include material: IRON ALLOY 660 OVERALL, head_style: HEXAGON, head_height: 0.146 INCHES MINIMUM AND 0.166 INCHES MAXIMUM IN, thread_class: 3A A, thread_length: 0.333 INCHES MINIMUM AND 0.373 INCHES MAXIMUM IN, shoulder_shape: ROUND FIRST SHOULDER. This part is cataloged in the U.S.

Government catalog under NSN 5306-00-377-3936, 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
4059356
NSN: 5306-00-377-3936
FSC: 5306 — Bolts
CAGE: 52661 — RTX CORPORATION DIV PRATT & WHITNEY (USA)
SPECIFICATIONS
materialIRON ALLOY 660 OVERALL
head_styleHEXAGON
head_height0.146 INCHES MINIMUM AND 0.166 INCHES MAXIMUM IN
thread_class3A A
thread_length0.333 INCHES MINIMUM AND 0.373 INCHES MAXIMUM IN
shoulder_shapeROUND FIRST SHOULDER
fastener_length2.000 INCHES MINIMUM AND 2.040 INCHES MAXIMUM IN
hardness_rating23.0 ROCKWELL C MINIMUM AND 35.0 ROCKWELL C MAXIMUM OVERALL
shoulder_length1.610 INCHES MINIMUM AND 1.630 INCHES MAXIMUM FIRST SHOULDER IN
thread_directionRIGHT-HAND
shoulder_diameter0.2500 INCHES MINIMUM AND 0.2505 INCHES MAXIMUM FIRST SHOULDER IN
surface_treatmentCHROMIUM GRIP
NSN5306-00-377-3936
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 4059356 · 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: 0.146 INCHES MINIMUM AND 0.166 INCHES MAXIMUM IN
•
FASTENER LENGTH: 2.000 INCHES MINIMUM AND 2.040 INCHES MAXIMUM IN
•
SHOULDER LENGTH: 1.610 INCHES MINIMUM AND 1.630 INCHES MAXIMUM FIRST SHOULDER IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: AMS 2406 ASSN STD SINGLE TREATMENT RESPONSE GRIP
•
SHOULDER DIAMETER: 0.2500 INCHES MINIMUM AND 0.2505 INCHES MAXIMUM FIRST SHOULDER IN
•
THREAD LENGTH: 0.333 INCHES MINIMUM AND 0.373 INCHES MAXIMUM IN
•
SHOULDER SHAPE: ROUND FIRST SHOULDER
•
HARDNESS RATING: 23.0 ROCKWELL C MINIMUM AND 35.0 ROCKWELL C MAXIMUM OVERALL
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.146 INCHES MINIMUM AND 0.166 INCHES MAXIMUM IN
FASTENER LENGTH2.000 INCHES MINIMUM AND 2.040 INCHES MAXIMUM IN
SHOULDER LENGTH1.610 INCHES MINIMUM AND 1.630 INCHES MAXIMUM FIRST SHOULDER IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONAMS 2406 ASSN STD SINGLE TREATMENT RESPONSE GRIP
SHOULDER DIAMETER0.2500 INCHES MINIMUM AND 0.2505 INCHES MAXIMUM FIRST SHOULDER IN
THREAD LENGTH0.333 INCHES MINIMUM AND 0.373 INCHES MAXIMUM IN
SHOULDER SHAPEROUND FIRST SHOULDER
HARDNESS RATING23.0 ROCKWELL C MINIMUM AND 35.0 ROCKWELL C MAXIMUM OVERALL
SHANK UNTHREADED HOLE DIAMETER0.065 INCHES MINIMUM AND 0.072 INCHES MAXIMUM FIRST HOLE IN
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5731 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
OTHER ITEMS IN FSC 5306 — Bolts
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5306-00-001-1276 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 2
4011896Reference document
Same NSN cross-reference
Reference document — Secondary reference
5306PL1495259Reference document
Same NSN cross-reference
Reference document — Informative reference only
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 4059356?
4059356 is a BOLT,SHOULDER.
What parts can replace 4059356?
There are 2 known substitutes for 4059356: 4011896, 5306PL1495259. Substitute compatibility should be verified for your specific system.
What is the NSN for 4059356?
4059356 is cataloged in the U.S. Government catalog under NSN 5306-00-377-3936. 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.