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ST3M753-4-20 — BOLT,SHEAR

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

ST3M753-4-20: 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: 1.240 INCHES MINIMUM AND 1.260 INCHES MAXIMUM IN, head_height: 0.194 INCHES MINIMUM AND 0.234 INCHES MAXIMUM IN, thread_class: 3A A, grip_diameter: 0.2490 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5306-01-197-9342, 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
ST3M753-4-20
NSN: 5306-01-197-9342
FSC: 5306 — Bolts
CAGE: 58998 — FASTENER INNOVATION TECHNOLOGY, INC. DBA F I T (USA)
SPECIFICATIONS
materialSTEEL COMP XM-13 OVERALL
head_styleSPLINE EXTENDED WASHER
grip_length1.240 INCHES MINIMUM AND 1.260 INCHES MAXIMUM IN
head_height0.194 INCHES MINIMUM AND 0.234 INCHES MAXIMUM IN
thread_class3A A
grip_diameter0.2490 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM IN
thread_length0.443 INCHES MINIMUM AND 0.493 INCHES MAXIMUM IN
fastener_length1.703 INCHES MINIMUM AND 1.733 INCHES MAXIMUM IN
thread_directionRIGHT-HAND
surface_treatmentPASSIVATE OVERALL
head_minor_diameter0.318 INCHES MINIMUM AND 0.324 INCHES MAXIMUM IN
nominal_thread_diameter0.250 INCHES IN
NSN5306-01-197-9342
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: ST3M753-4-20 · 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: 0.026 INCHES MINIMUM AND 0.046 INCHES MAXIMUM IN
•
HEAD HEIGHT: 0.194 INCHES MINIMUM AND 0.234 INCHES MAXIMUM IN
•
FASTENER LENGTH: 1.703 INCHES MINIMUM AND 1.733 INCHES MAXIMUM IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
•
EXTENDED WASHER DIAMETER: 0.460 INCHES MINIMUM AND 0.470 INCHES MAXIMUM IN
•
THREAD LENGTH: 0.443 INCHES MINIMUM AND 0.493 INCHES MAXIMUM IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS5629 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
NOMINAL THREAD DIAMETER: 0.250 INCHES IN
TECHNICAL CHARACTERISTICS
EXTENDED WASHER THICKNESS0.026 INCHES MINIMUM AND 0.046 INCHES MAXIMUM IN
HEAD HEIGHT0.194 INCHES MINIMUM AND 0.234 INCHES MAXIMUM IN
FASTENER LENGTH1.703 INCHES MINIMUM AND 1.733 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
EXTENDED WASHER DIAMETER0.460 INCHES MINIMUM AND 0.470 INCHES MAXIMUM IN
THREAD LENGTH0.443 INCHES MINIMUM AND 0.493 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATIONAMS5629 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NOMINAL THREAD DIAMETER0.250 INCHES IN
HEAD STYLESPLINE EXTENDED WASHER
THREAD DIRECTIONRIGHT-HAND
SUBSTITUTES & CROSS-REFERENCES 6
122897-4-20Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
VS190-4-20Reference document
Same NSN cross-reference
Reference document — Secondary reference
10116141Reference document
Same NSN cross-reference
Reference document — Informative reference only
VS3190-4-20Reference document
Same NSN cross-reference
Reference document — Secondary reference
GS1032-4-20Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
S343-4-20Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is ST3M753-4-20?
ST3M753-4-20 is a BOLT,SHEAR.
What parts can replace ST3M753-4-20?
There are 6 known substitutes for ST3M753-4-20: 122897-4-20, VS190-4-20, 10116141 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for ST3M753-4-20?
ST3M753-4-20 is cataloged in the U.S. Government catalog under NSN 5306-01-197-9342. 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.