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6289608 — SCREW,EXTERNALLY RELIEVED BODY

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

6289608: SCREW,EXTERNALLY RELIEVED BODY.

The SCREW,EXTERNALLY RELIEVED BODY is a the manufacturer industrial component. Key specifications include material: STEEL COMP 304 OVERALL, head_style: HEXAGON, thread_class: 3A A, thread_length: 2.745 INCHES MINIMUM AND 4.755 INCHES MAXIMUM IN, fastener_length: 3.440 INCHES NOMINAL IN, special_features: HAS HOLE DRILLED OPPOSITE HEAD PARALLEL TO THREADS WITH 0.375-16 UNC-3B THREADS. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-260-0194, 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
6289608
NSN: 5305-01-260-0194
FSC: 5305 — Screws
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
materialSTEEL COMP 304 OVERALL
head_styleHEXAGON
thread_class3A A
thread_length2.745 INCHES MINIMUM AND 4.755 INCHES MAXIMUM IN
fastener_length3.440 INCHES NOMINAL IN
special_featuresHAS HOLE DRILLED OPPOSITE HEAD PARALLEL TO THREADS WITH 0.375-16 UNC-3B THREADS
thread_directionRIGHT-HAND
surface_treatmentPASSIVATE OVERALL
width_between_flats0.427 INCHES MINIMUM AND 0.437 INCHES MAXIMUM IN
internal_drive_styleW/O INTERNAL DRIVE
end_item_identificationAAVP78A1
nominal_thread_diameter0.875 INCHES IN
NSN5305-01-260-0194
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 6289608 · 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
•
FASTENER LENGTH: 3.440 INCHES NOMINAL IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
•
THREAD LENGTH: 2.745 INCHES MINIMUM AND 4.755 INCHES MAXIMUM IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM A276, COND A ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
NOMINAL THREAD DIAMETER: 0.875 INCHES IN
•
HEAD STYLE: HEXAGON
•
THREAD DIRECTION: RIGHT-HAND
•
WIDTH BETWEEN FLATS: 0.427 INCHES MINIMUM AND 0.437 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
FASTENER LENGTH3.440 INCHES NOMINAL IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
THREAD LENGTH2.745 INCHES MINIMUM AND 4.755 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A276, COND A ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NOMINAL THREAD DIAMETER0.875 INCHES IN
HEAD STYLEHEXAGON
THREAD DIRECTIONRIGHT-HAND
WIDTH BETWEEN FLATS0.427 INCHES MINIMUM AND 0.437 INCHES MAXIMUM IN
SPECIAL FEATURESHAS HOLE DRILLED OPPOSITE HEAD PARALLEL TO THREADS WITH 0.375-16 UNC-3B THREADS
SURFACE TREATMENTPASSIVATE OVERALL
OTHER ITEMS IN FSC 5305 — Screws
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5305-00-001-5016 5305-00-001-9160 5305-00-001-9629 5305-00-001-9742 5305-00-001-9768 5305-00-003-4306 5305-00-003-6694 5305-00-003-6753
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

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 6289608?
6289608 is a SCREW,EXTERNALLY RELIEVED BODY.
What is the NSN for 6289608?
6289608 is cataloged in the U.S. Government catalog under NSN 5305-01-260-0194. 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.