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S371-3-7 — BOLT,SHEAR

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

S371-3-7: BOLT,SHEAR.

The BOLT,SHEAR is a the manufacturer industrial component. Key specifications include material: STEEL COMP XM-13 OVERALL, hole_type: DRILLED, head_style: DOUBLE HEXAGON EXTENDED WASHER, grip_length: 0.438 INCHES NOMINAL IN, head_height: 0.196 INCHES NOMINAL IN, thread_class: 3A A. This part is cataloged in the U.S.

Government catalog under NSN 5306-01-203-0900, 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
S371-3-7
NSN: 5306-01-203-0900
FSC: 5306 — Bolts
CAGE: 97928 — HUCK INTL INC (USA)
SPECIFICATIONS
materialSTEEL COMP XM-13 OVERALL
hole_typeDRILLED
head_styleDOUBLE HEXAGON EXTENDED WASHER
grip_length0.438 INCHES NOMINAL IN
head_height0.196 INCHES NOMINAL IN
thread_class3A A
grip_diameter0.1890 INCHES MINIMUM AND 0.1895 INCHES MAXIMUM IN
hole_diameter0.034 INCHES MINIMUM AND 0.042 INCHES MAXIMUM IN
hole_quantity4
thread_length0.375 INCHES MINIMUM AND 0.405 INCHES MAXIMUM IN
fastener_length0.813 INCHES MINIMUM AND 0.843 INCHES MAXIMUM IN
thread_directionRIGHT-HAND
NSN5306-01-203-0900
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: S371-3-7 · 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: 0.064 INCHES NOMINAL IN
•
HEAD HEIGHT: 0.196 INCHES NOMINAL IN
•
FASTENER LENGTH: 0.813 INCHES MINIMUM AND 0.843 INCHES MAXIMUM IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
•
EXTENDED WASHER DIAMETER: 0.340 INCHES MINIMUM AND 0.350 INCHES MAXIMUM IN
•
THREAD LENGTH: 0.375 INCHES MINIMUM AND 0.405 INCHES MAXIMUM IN
•
HOLE CONFIGURATION STYLE: DOUBLE HEXAGON LONGITUDINAL HOLE
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS5629 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
TECHNICAL CHARACTERISTICS
EXTENDED WASHER THICKNESS0.064 INCHES NOMINAL IN
HEAD HEIGHT0.196 INCHES NOMINAL IN
FASTENER LENGTH0.813 INCHES MINIMUM AND 0.843 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
EXTENDED WASHER DIAMETER0.340 INCHES MINIMUM AND 0.350 INCHES MAXIMUM IN
THREAD LENGTH0.375 INCHES MINIMUM AND 0.405 INCHES MAXIMUM IN
HOLE CONFIGURATION STYLEDOUBLE HEXAGON LONGITUDINAL HOLE
MATERIAL DOCUMENT AND CLASSIFICATIONAMS5629 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NOMINAL THREAD DIAMETER0.190 INCHES IN
HEAD STYLEDOUBLE HEXAGON EXTENDED WASHER
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 8
VAL23033-3-7Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LD111-0020-0307Reference document
Same NSN cross-reference
Reference document — Vendor item drawing reference
S11-1059-3-7Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
BM3326-3-7Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
ST3M571-3-7Reference document
Same NSN cross-reference
Reference document — Secondary reference
MB84-3-7Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 S371-3-7?
S371-3-7 is a BOLT,SHEAR.
What parts can replace S371-3-7?
There are 8 known substitutes for S371-3-7: VAL23033-3-7, LD111-0020-0307, S11-1059-3-7 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for S371-3-7?
S371-3-7 is cataloged in the U.S. Government catalog under NSN 5306-01-203-0900. 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.