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ST3M840-7H30 — BOLT,SHOULDER

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

ST3M840-7H30: BOLT,SHOULDER.

The BOLT,SHOULDER is a the manufacturer industrial component. Key specifications include material: STEEL COMP XM-13 OVERALL, hole_type: DRILLED, head_style: SPLINE EXTENDED WASHER, head_height: 0.383 INCHES MINIMUM AND 0.403 INCHES MAXIMUM IN, thread_class: 3A A, hole_diameter: 0.050 INCHES MINIMUM AND 0.060 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5306-01-144-2193, 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
ST3M840-7H30
NSN: 5306-01-144-2193
FSC: 5306 — Bolts
CAGE: 76301 — THE BOEING COMPANY DIV DEFENSE (USA)
SPECIFICATIONS
materialSTEEL COMP XM-13 OVERALL
hole_typeDRILLED
head_styleSPLINE EXTENDED WASHER
head_height0.383 INCHES MINIMUM AND 0.403 INCHES MAXIMUM IN
thread_class3A A
hole_diameter0.050 INCHES MINIMUM AND 0.060 INCHES MAXIMUM IN
hole_quantity4
thread_length0.680 INCHES MINIMUM AND 0.730 INCHES MAXIMUM IN
shoulder_shapeROUND FIRST SHOULDER
fastener_length2.565 INCHES MINIMUM AND 2.595 INCHES MAXIMUM IN
shoulder_length1.865 INCHES MINIMUM AND 1.885 INCHES MAXIMUM FIRST SHOULDER IN
thread_directionRIGHT-HAND
NSN5306-01-144-2193
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: ST3M840-7H30 · 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: 0.383 INCHES MINIMUM AND 0.403 INCHES MAXIMUM IN
•
FASTENER LENGTH: 2.565 INCHES MINIMUM AND 2.595 INCHES MAXIMUM IN
•
SHOULDER LENGTH: 1.865 INCHES MINIMUM AND 1.885 INCHES MAXIMUM FIRST SHOULDER 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
•
SHOULDER DIAMETER: 0.4677 INCHES MINIMUM AND 0.4682 INCHES MAXIMUM FIRST SHOULDER IN
•
THREAD LENGTH: 0.680 INCHES MINIMUM AND 0.730 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
EXTENDED WASHER THICKNESS0.053 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
HEAD HEIGHT0.383 INCHES MINIMUM AND 0.403 INCHES MAXIMUM IN
FASTENER LENGTH2.565 INCHES MINIMUM AND 2.595 INCHES MAXIMUM IN
SHOULDER LENGTH1.865 INCHES MINIMUM AND 1.885 INCHES MAXIMUM FIRST SHOULDER 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
SHOULDER DIAMETER0.4677 INCHES MINIMUM AND 0.4682 INCHES MAXIMUM FIRST SHOULDER IN
THREAD LENGTH0.680 INCHES MINIMUM AND 0.730 INCHES MAXIMUM IN
SHOULDER SHAPEROUND FIRST SHOULDER
HOLE CONFIGURATION STYLESPLINE
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

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is ST3M840-7H30?
ST3M840-7H30 is a BOLT,SHOULDER.
What is the NSN for ST3M840-7H30?
ST3M840-7H30 is cataloged in the U.S. Government catalog under NSN 5306-01-144-2193. 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.