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S343-10-77E — BOLT,SHEAR

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

S343-10-77E: BOLT,SHEAR.

The BOLT,SHEAR is a the manufacturer industrial component. Key specifications include material: STEEL COMP XM-13 OVERALL, head_style: SPLINE EXTENDED WASHER, grip_length: 4.802 INCHES MINIMUM AND 4.822 INCHES MAXIMUM IN, head_height: 0.462 INCHES MINIMUM AND 0.482 INCHES MAXIMUM IN, thread_class: 3A A, grip_diameter: 0.6230 INCHES MINIMUM AND 0.6240 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5306-01-237-2790, 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
S343-10-77E
NSN: 5306-01-237-2790
FSC: 5306 — Bolts
CAGE: 97928 — HUCK INTL INC (USA)
SPECIFICATIONS
materialSTEEL COMP XM-13 OVERALL
head_styleSPLINE EXTENDED WASHER
grip_length4.802 INCHES MINIMUM AND 4.822 INCHES MAXIMUM IN
head_height0.462 INCHES MINIMUM AND 0.482 INCHES MAXIMUM IN
thread_class3A A
grip_diameter0.6230 INCHES MINIMUM AND 0.6240 INCHES MAXIMUM IN
thread_length0.887 INCHES MINIMUM AND 0.937 INCHES MAXIMUM IN
fastener_length5.709 INCHES MINIMUM AND 5.739 INCHES MAXIMUM IN
special_featuresELECTROPOLISH NON-BEARING SURFACE OF HEAD PER PS13121 CAGE 76301
thread_directionRIGHT-HAND
surface_treatmentPASSIVATE OVERALL
width_between_flats0.774 INCHES MINIMUM AND 0.782 INCHES MAXIMUM IN
NSN5306-01-237-2790
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: S343-10-77E · 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: 0.080 INCHES MINIMUM AND 0.100 INCHES MAXIMUM IN
•
HEAD HEIGHT: 0.462 INCHES MINIMUM AND 0.482 INCHES MAXIMUM IN
•
FASTENER LENGTH: 5.709 INCHES MINIMUM AND 5.739 INCHES MAXIMUM IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
•
EXTENDED WASHER DIAMETER: 1.153 INCHES MINIMUM AND 1.163 INCHES MAXIMUM IN
•
THREAD LENGTH: 0.887 INCHES MINIMUM AND 0.937 INCHES MAXIMUM IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS 5629 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
NOMINAL THREAD DIAMETER: 0.625 INCHES IN
TECHNICAL CHARACTERISTICS
EXTENDED WASHER THICKNESS0.080 INCHES MINIMUM AND 0.100 INCHES MAXIMUM IN
HEAD HEIGHT0.462 INCHES MINIMUM AND 0.482 INCHES MAXIMUM IN
FASTENER LENGTH5.709 INCHES MINIMUM AND 5.739 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
EXTENDED WASHER DIAMETER1.153 INCHES MINIMUM AND 1.163 INCHES MAXIMUM IN
THREAD LENGTH0.887 INCHES MINIMUM AND 0.937 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5629 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NOMINAL THREAD DIAMETER0.625 INCHES IN
HEAD STYLESPLINE EXTENDED WASHER
THREAD DIRECTIONRIGHT-HAND
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 7
10116169Reference document
Same NSN cross-reference
Reference document — Informative reference only
AIC763-10-77EReference document
Same NSN cross-reference
Reference document — Secondary reference
122897-10-77EReference document
Same NSN cross-reference
Reference document — Secondary reference
GS1032-10-77EReference document
Same NSN cross-reference
Reference document — Secondary reference
VS3190-10-77EReference document
Same NSN cross-reference
Reference document — Secondary reference
3036AS180-2Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
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 S343-10-77E?
S343-10-77E is a BOLT,SHEAR.
What parts can replace S343-10-77E?
There are 7 known substitutes for S343-10-77E: 10116169, AIC763-10-77E, 122897-10-77E and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for S343-10-77E?
S343-10-77E is cataloged in the U.S. Government catalog under NSN 5306-01-237-2790. 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.