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ST3M607-12-32 — BOLT,CLOSE TOLERANCE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

ST3M607-12-32: BOLT,CLOSE TOLERANCE.

The BOLT,CLOSE TOLERANCE is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING OVERALL, head_style: DOUBLE HEXAGON W/HOLE, grip_length: 1.990 INCHES MINIMUM AND 2.010 INCHES MAXIMUM IN, head_height: 0.701 INCHES MINIMUM AND 0.721 INCHES MAXIMUM IN, thread_class: 3A A, grip_diameter: 0.7797 INCHES MINIMUM AND 0.7802 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5306-01-683-7777, 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
ST3M607-12-32
NSN: 5306-01-683-7777
FSC: 5306 — Bolts
CAGE: 73197 — HI-SHEAR CORPORATION (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING OVERALL
head_styleDOUBLE HEXAGON W/HOLE
grip_length1.990 INCHES MINIMUM AND 2.010 INCHES MAXIMUM IN
head_height0.701 INCHES MINIMUM AND 0.721 INCHES MAXIMUM IN
thread_class3A A
grip_diameter0.7797 INCHES MINIMUM AND 0.7802 INCHES MAXIMUM IN
thread_length1.052 INCHES NOMINAL IN
fastener_length3.037 INCHES MINIMUM AND 3.067 INCHES MAXIMUM IN
thread_directionRIGHT-HAND
surface_treatmentPASSIVATE OVERALL
width_between_flats0.614 INCHES NOMINAL IN
end_item_identificationF15 A-3, C
NSN5306-01-683-7777
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: ST3M607-12-32 · 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: 0.168 INCHES MINIMUM AND 0.188 INCHES MAXIMUM IN
•
HEAD HEIGHT: 0.701 INCHES MINIMUM AND 0.721 INCHES MAXIMUM IN
•
FASTENER LENGTH: 3.037 INCHES MINIMUM AND 3.067 INCHES MAXIMUM IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
•
EXTENDED WASHER DIAMETER: 1.220 INCHES MINIMUM AND 1.230 INCHES MAXIMUM IN
•
THREAD LENGTH: 1.052 INCHES NOMINAL IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS5629 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
NOMINAL THREAD DIAMETER: 0.750 INCHES IN
TECHNICAL CHARACTERISTICS
EXTENDED WASHER THICKNESS0.168 INCHES MINIMUM AND 0.188 INCHES MAXIMUM IN
HEAD HEIGHT0.701 INCHES MINIMUM AND 0.721 INCHES MAXIMUM IN
FASTENER LENGTH3.037 INCHES MINIMUM AND 3.067 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
EXTENDED WASHER DIAMETER1.220 INCHES MINIMUM AND 1.230 INCHES MAXIMUM IN
THREAD LENGTH1.052 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONAMS5629 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NOMINAL THREAD DIAMETER0.750 INCHES IN
HEAD STYLEDOUBLE HEXAGON W/HOLE
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 1
ST3M607Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
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 ST3M607-12-32?
ST3M607-12-32 is a BOLT,CLOSE TOLERANCE.
What parts can replace ST3M607-12-32?
There is 1 known substitute for ST3M607-12-32: ST3M607. Substitute compatibility should be verified for your specific system.
What is the NSN for ST3M607-12-32?
ST3M607-12-32 is cataloged in the U.S. Government catalog under NSN 5306-01-683-7777. 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.