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H621-0104-11 — BOLT,SHOULDER

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

H621-0104-11: BOLT,SHOULDER.

The BOLT,SHOULDER is a the manufacturer industrial component. Key specifications include material: STEEL COMP 304 OVERALL, head_style: HEXAGON, head_height: 0.226 INCHES MINIMUM AND 0.243 INCHES MAXIMUM IN, thread_class: 2A A, thread_length: 0.620 INCHES NOMINAL IN, shoulder_shape: ROUND OVERALL. This part is cataloged in the U.S.

Government catalog under NSN 5306-01-491-2162, 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
H621-0104-11
NSN: 5306-01-491-2162
FSC: 5306 — Bolts
CAGE: 96169 — ELECTRIC BOAT CORPORATION DIV GENERAL DYNAMICS ELECTRIC BOAT (USA)
SPECIFICATIONS
materialSTEEL COMP 304 OVERALL
head_styleHEXAGON
head_height0.226 INCHES MINIMUM AND 0.243 INCHES MAXIMUM IN
thread_class2A A
thread_length0.620 INCHES NOMINAL IN
shoulder_shapeROUND OVERALL
fastener_length1.680 INCHES NOMINAL IN
shoulder_length1.060 INCHES NOMINAL OVERALL IN
thread_directionRIGHT-HAND
shoulder_diameter0.373 INCHES MINIMUM AND 0.374 INCHES MAXIMUM OVERALL IN
width_between_flats0.551 INCHES MINIMUM AND 0.562 INCHES MAXIMUM IN
nominal_thread_diameter0.312 INCHES IN
NSN5306-01-491-2162
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: H621-0104-11 · 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: 0.226 INCHES MINIMUM AND 0.243 INCHES MAXIMUM IN
•
FASTENER LENGTH: 1.680 INCHES NOMINAL IN
•
SHOULDER LENGTH: 1.060 INCHES NOMINAL OVERALL IN
•
SHOULDER DIAMETER: 0.373 INCHES MINIMUM AND 0.374 INCHES MAXIMUM OVERALL IN
•
THREAD LENGTH: 0.620 INCHES NOMINAL IN
•
SHOULDER SHAPE: ROUND OVERALL
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-763;CL-304;COND-A FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
NOMINAL THREAD DIAMETER: 0.312 INCHES IN
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.226 INCHES MINIMUM AND 0.243 INCHES MAXIMUM IN
FASTENER LENGTH1.680 INCHES NOMINAL IN
SHOULDER LENGTH1.060 INCHES NOMINAL OVERALL IN
SHOULDER DIAMETER0.373 INCHES MINIMUM AND 0.374 INCHES MAXIMUM OVERALL IN
THREAD LENGTH0.620 INCHES NOMINAL IN
SHOULDER SHAPEROUND OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-763;CL-304;COND-A FED SPEC SINGLE MATERIAL RESPONSE OVERALL
NOMINAL THREAD DIAMETER0.312 INCHES IN
HEAD STYLEHEXAGON
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
H621-0104Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is H621-0104-11?
H621-0104-11 is a BOLT,SHOULDER.
What parts can replace H621-0104-11?
There is 1 known substitute for H621-0104-11: H621-0104. Substitute compatibility should be verified for your specific system.
What is the NSN for H621-0104-11?
H621-0104-11 is cataloged in the U.S. Government catalog under NSN 5306-01-491-2162. This indicates validated use in U.S. government and defense supply chains.
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