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353471 — BOLT,MACHINE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

353471: BOLT,MACHINE.

The BOLT,MACHINE is a the manufacturer industrial component. Key specifications include material: STEEL COMP 601 OVERALL, head_style: HEXAGON COUNTERSUNK, head_height: 0.110 INCHES MINIMUM AND 0.141 INCHES MAXIMUM IN, thread_class: 1A A, thread_length: 0.721 INCHES MINIMUM AND 0.741 INCHES MAXIMUM IN, fastener_length: 0.721 INCHES MINIMUM AND 0.741 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5306-00-620-3319, 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
353471
NSN: 5306-00-620-3319
FSC: 5306 — Bolts
CAGE: 77445 — RTX CORPORATION DBA PRATT & WHITNEY DIV PRATT &WHITNEY (USA)
SPECIFICATIONS
materialSTEEL COMP 601 OVERALL
head_styleHEXAGON COUNTERSUNK
head_height0.110 INCHES MINIMUM AND 0.141 INCHES MAXIMUM IN
thread_class1A A
thread_length0.721 INCHES MINIMUM AND 0.741 INCHES MAXIMUM IN
fastener_length0.721 INCHES MINIMUM AND 0.741 INCHES MAXIMUM IN
hardness_rating30.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM OVERALL
thread_directionRIGHT-HAND
countersink_angle99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM
features_providedFINISHED HEAD
surface_treatmentNICKEL AND CADMIUM OVERALL
width_between_flats0.430 INCHES MINIMUM AND 0.439 INCHES MAXIMUM IN
NSN5306-00-620-3319
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 353471 · 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: 0.110 INCHES MINIMUM AND 0.141 INCHES MAXIMUM IN
•
FASTENER LENGTH: 0.721 INCHES MINIMUM AND 0.741 INCHES MAXIMUM IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: AMS 2416 ASSN STD ALL TREATMENT RESPONSES OVERALL
•
THREAD LENGTH: 0.721 INCHES MINIMUM AND 0.741 INCHES MAXIMUM IN
•
HARDNESS RATING: 30.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM OVERALL
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS 6304 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
NOMINAL THREAD DIAMETER: 0.250 INCHES IN
•
FEATURES PROVIDED: FINISHED HEAD
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.110 INCHES MINIMUM AND 0.141 INCHES MAXIMUM IN
FASTENER LENGTH0.721 INCHES MINIMUM AND 0.741 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONAMS 2416 ASSN STD ALL TREATMENT RESPONSES OVERALL
THREAD LENGTH0.721 INCHES MINIMUM AND 0.741 INCHES MAXIMUM IN
HARDNESS RATING30.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 6304 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NOMINAL THREAD DIAMETER0.250 INCHES IN
FEATURES PROVIDEDFINISHED HEAD
HEAD STYLEHEXAGON COUNTERSUNK
THREAD DIRECTIONRIGHT-HAND
OTHER ITEMS IN FSC 5306 — Bolts
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5306-00-004-7044 5306-00-007-6129 5306-00-008-7899 5306-00-009-4739 5306-00-118-7332 5306-00-151-1777 5306-00-255-4507 5306-01-101-2459
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Semi-active item — no replacement plannedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 353471?
353471 is a BOLT,MACHINE.
What is the NSN for 353471?
353471 is cataloged in the U.S. Government catalog under NSN 5306-00-620-3319. 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.