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ST3M453-7-22 — BOLT,CLOSE TOLERANCE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

ST3M453-7-22: BOLT,CLOSE TOLERANCE.

The BOLT,CLOSE TOLERANCE is a the manufacturer industrial component. Key specifications include material: STEEL COMP XM-13 OVERALL, head_style: DOUBLE HEXAGON, grip_length: 1.365 INCHES MINIMUM AND 1.385 INCHES MAXIMUM IN, head_height: 0.247 INCHES MINIMUM AND 0.267 INCHES MAXIMUM IN, thread_class: 3A A, grip_diameter: 0.436 INCHES MINIMUM AND 0.437 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5306-01-623-4802, 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
ST3M453-7-22
NSN: 5306-01-623-4802
FSC: 5306 — Bolts
CAGE: 76301 — THE BOEING COMPANY DIV DEFENSE (USA)
SPECIFICATIONS
materialSTEEL COMP XM-13 OVERALL
head_styleDOUBLE HEXAGON
grip_length1.365 INCHES MINIMUM AND 1.385 INCHES MAXIMUM IN
head_height0.247 INCHES MINIMUM AND 0.267 INCHES MAXIMUM IN
thread_class3A A
grip_diameter0.436 INCHES MINIMUM AND 0.437 INCHES MAXIMUM IN
thread_length0.599 INCHES NOMINAL IN
fastener_length1.974 INCHES NOMINAL IN
thread_directionRIGHT-HAND
surface_treatmentPASSIVATE OVERALL
width_between_flats0.775 INCHES MINIMUM IN
nominal_thread_diameter0.437 INCHES IN
NSN5306-01-623-4802
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: ST3M453-7-22 · 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
•
HEAD HEIGHT: 0.247 INCHES MINIMUM AND 0.267 INCHES MAXIMUM IN
•
FASTENER LENGTH: 1.974 INCHES NOMINAL IN
•
THREAD LENGTH: 0.599 INCHES NOMINAL IN
•
NOMINAL THREAD DIAMETER: 0.437 INCHES IN
•
HEAD STYLE: DOUBLE HEXAGON
•
THREAD DIRECTION: RIGHT-HAND
•
GRIP LENGTH: 1.365 INCHES MINIMUM AND 1.385 INCHES MAXIMUM IN
•
WIDTH BETWEEN FLATS: 0.775 INCHES MINIMUM IN
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.247 INCHES MINIMUM AND 0.267 INCHES MAXIMUM IN
FASTENER LENGTH1.974 INCHES NOMINAL IN
THREAD LENGTH0.599 INCHES NOMINAL IN
NOMINAL THREAD DIAMETER0.437 INCHES IN
HEAD STYLEDOUBLE HEXAGON
THREAD DIRECTIONRIGHT-HAND
GRIP LENGTH1.365 INCHES MINIMUM AND 1.385 INCHES MAXIMUM IN
WIDTH BETWEEN FLATS0.775 INCHES MINIMUM IN
GRIP DIAMETER0.436 INCHES MINIMUM AND 0.437 INCHES MAXIMUM IN
SURFACE TREATMENTPASSIVATE OVERALL
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
MB61-7-22Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 ST3M453-7-22?
ST3M453-7-22 is a BOLT,CLOSE TOLERANCE.
What parts can replace ST3M453-7-22?
There is 1 known substitute for ST3M453-7-22: MB61-7-22. Substitute compatibility should be verified for your specific system.
What is the NSN for ST3M453-7-22?
ST3M453-7-22 is cataloged in the U.S. Government catalog under NSN 5306-01-623-4802. 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.