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4029235 — BOLT,SHOULDER

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

4029235: BOLT,SHOULDER.

The BOLT,SHOULDER is a the manufacturer industrial component. Key specifications include material: IRON ALLOY 660 OVERALL, head_style: HEXAGON EXTENDED WASHER, head_height: 0.630 INCHES MINIMUM AND 0.665 INCHES MAXIMUM IN, thread_class: 3A A, thread_length: 0.335 INCHES MINIMUM AND 0.455 INCHES MAXIMUM IN, shoulder_shape: ROUND FIRST SHOULDER. This part is cataloged in the U.S.

Government catalog under NSN 5306-00-369-5676, 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
4029235
NSN: 5306-00-369-5676
FSC: 5306 — Bolts
CAGE: 77445 — RTX CORPORATION DBA PRATT & WHITNEY DIV PRATT &WHITNEY (USA)
SPECIFICATIONS
materialIRON ALLOY 660 OVERALL
head_styleHEXAGON EXTENDED WASHER
head_height0.630 INCHES MINIMUM AND 0.665 INCHES MAXIMUM IN
thread_class3A A
thread_length0.335 INCHES MINIMUM AND 0.455 INCHES MAXIMUM IN
shoulder_shapeROUND FIRST SHOULDER
fastener_length1.645 INCHES MINIMUM AND 1.665 INCHES MAXIMUM IN
shoulder_length1.210 INCHES MINIMUM AND 1.230 INCHES MAXIMUM FIRST SHOULDER IN
thread_directionRIGHT-HAND
shoulder_diameter0.374 INCHES MINIMUM AND 0.375 INCHES MAXIMUM FIRST SHOULDER IN
surface_treatmentPASSIVATE BEARING SURFACE OF HEAD
width_between_flats0.367 INCHES MINIMUM AND 0.376 INCHES MAXIMUM IN
NSN5306-00-369-5676
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 4029235 · 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
•
EXTENDED WASHER THICKNESS: 0.500 INCHES MINIMUM AND 0.520 INCHES MAXIMUM IN
•
HEAD HEIGHT: 0.630 INCHES MINIMUM AND 0.665 INCHES MAXIMUM IN
•
FASTENER LENGTH: 1.645 INCHES MINIMUM AND 1.665 INCHES MAXIMUM IN
•
SHOULDER LENGTH: 1.210 INCHES MINIMUM AND 1.230 INCHES MAXIMUM FIRST SHOULDER IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: PWA 830 FSCM 77445 MFR REF SINGLE TREATMENT RESPONSE BEARING SURFACE OF HEAD
•
EXTENDED WASHER DIAMETER: 0.530 INCHES MINIMUM AND 0.532 INCHES MAXIMUM IN
•
SHOULDER DIAMETER: 0.374 INCHES MINIMUM AND 0.375 INCHES MAXIMUM FIRST SHOULDER IN
TECHNICAL CHARACTERISTICS
EXTENDED WASHER THICKNESS0.500 INCHES MINIMUM AND 0.520 INCHES MAXIMUM IN
HEAD HEIGHT0.630 INCHES MINIMUM AND 0.665 INCHES MAXIMUM IN
FASTENER LENGTH1.645 INCHES MINIMUM AND 1.665 INCHES MAXIMUM IN
SHOULDER LENGTH1.210 INCHES MINIMUM AND 1.230 INCHES MAXIMUM FIRST SHOULDER IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONPWA 830 FSCM 77445 MFR REF SINGLE TREATMENT RESPONSE BEARING SURFACE OF HEAD
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONPWA 830 FSCM 77445 MFR REF SINGLE TREATMENT RESPONSE THREADS
EXTENDED WASHER DIAMETER0.530 INCHES MINIMUM AND 0.532 INCHES MAXIMUM IN
SHOULDER DIAMETER0.374 INCHES MINIMUM AND 0.375 INCHES MAXIMUM FIRST SHOULDER IN
THREAD LENGTH0.335 INCHES MINIMUM AND 0.455 INCHES MAXIMUM IN
SHOULDER SHAPEROUND FIRST SHOULDER
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: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 4029235?
4029235 is a BOLT,SHOULDER.
What is the NSN for 4029235?
4029235 is cataloged in the U.S. Government catalog under NSN 5306-00-369-5676. 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.