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ST3M753L7H19 — BOLT,SHEAR

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

ST3M753L7H19: 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: SPLINE EXTENDED WASHER, grip_length: 1.177 INCHES MINIMUM AND 1.197 INCHES MAXIMUM IN, head_height: 0.320 INCHES MINIMUM AND 0.340 INCHES MAXIMUM IN, thread_class: 3A A. This part is cataloged in the U.S.

Government catalog under NSN 5306-01-368-8043, 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
ST3M753L7H19
NSN: 5306-01-368-8043
FSC: 5306 — Bolts
CAGE: 76301 — THE BOEING COMPANY DIV DEFENSE (USA)
SPECIFICATIONS
materialSTEEL COMP XM-13 OVERALL
hole_typeDRILLED
head_styleSPLINE EXTENDED WASHER
grip_length1.177 INCHES MINIMUM AND 1.197 INCHES MAXIMUM IN
head_height0.320 INCHES MINIMUM AND 0.340 INCHES MAXIMUM IN
thread_class3A A
grip_diameter0.4365 INCHES MINIMUM AND 0.4370 INCHES MAXIMUM IN
hole_diameter0.050 INCHES MINIMUM AND 0.060 INCHES MAXIMUM IN
hole_quantity4
thread_length0.680 INCHES MINIMUM AND 0.730 INCHES MAXIMUM IN
fastener_length1.877 INCHES MINIMUM AND 1.907 INCHES MAXIMUM IN
thread_directionRIGHT-HAND
NSN5306-01-368-8043
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: ST3M753L7H19 · 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: 0.053 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
•
HEAD HEIGHT: 0.320 INCHES MINIMUM AND 0.340 INCHES MAXIMUM IN
•
FASTENER LENGTH: 1.877 INCHES MINIMUM AND 1.907 INCHES MAXIMUM IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
•
EXTENDED WASHER DIAMETER: 0.807 INCHES MINIMUM AND 0.817 INCHES MAXIMUM IN
•
THREAD LENGTH: 0.680 INCHES MINIMUM AND 0.730 INCHES MAXIMUM IN
•
HOLE CONFIGURATION STYLE: SPLINE
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS5629 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
TECHNICAL CHARACTERISTICS
EXTENDED WASHER THICKNESS0.053 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
HEAD HEIGHT0.320 INCHES MINIMUM AND 0.340 INCHES MAXIMUM IN
FASTENER LENGTH1.877 INCHES MINIMUM AND 1.907 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
EXTENDED WASHER DIAMETER0.807 INCHES MINIMUM AND 0.817 INCHES MAXIMUM IN
THREAD LENGTH0.680 INCHES MINIMUM AND 0.730 INCHES MAXIMUM IN
HOLE CONFIGURATION STYLESPLINE
MATERIAL DOCUMENT AND CLASSIFICATIONAMS5629 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
NOMINAL THREAD DIAMETER0.437 INCHES IN
HEAD STYLESPLINE 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 4
S343L7H19Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
122897L7H19Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
VS3190L7H19Reference document
Same NSN cross-reference
Reference document — Secondary reference
PBF 1267L7H19Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is ST3M753L7H19?
ST3M753L7H19 is a BOLT,SHEAR.
What parts can replace ST3M753L7H19?
There are 4 known substitutes for ST3M753L7H19: S343L7H19, 122897L7H19, VS3190L7H19 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for ST3M753L7H19?
ST3M753L7H19 is cataloged in the U.S. Government catalog under NSN 5306-01-368-8043. 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.