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296879R1 — BOLT,SQUARE NECK

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

296879R1: BOLT,SQUARE NECK.

The BOLT,SQUARE NECK is a the manufacturer industrial component. Key specifications include material: STEEL COMP 1035 OVERALL, head_style: FLAT COUNTERSUNK, neck_width: 0.875 INCHES MINIMUM AND 0.906 INCHES MAXIMUM IN, neck_length: 0.563 INCHES MINIMUM AND 0.626 INCHES MAXIMUM IN, thread_class: 2A A, head_diameter: 1.406 INCHES MINIMUM AND 1.512 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5306-00-616-2592, 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
296879R1
NSN: 5306-00-616-2592
FSC: 5306 — Bolts
CAGE: 29510 — KOMATSU AMERICAN INTL CO (USA)
SPECIFICATIONS
materialSTEEL COMP 1035 OVERALL
head_styleFLAT COUNTERSUNK
neck_width0.875 INCHES MINIMUM AND 0.906 INCHES MAXIMUM IN
neck_length0.563 INCHES MINIMUM AND 0.626 INCHES MAXIMUM IN
thread_class2A A
head_diameter1.406 INCHES MINIMUM AND 1.512 INCHES MAXIMUM IN
thread_length2.000 INCHES MINIMUM IN
fastener_length5.000 INCHES NOMINAL IN
hardness_rating22.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL
thread_directionRIGHT-HAND
countersink_angle81.0 DEGREES NOMINAL
nominal_thread_diameter0.875 INCHES IN
NSN5306-00-616-2592
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 296879R1 · 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
•
NECK LENGTH: 0.563 INCHES MINIMUM AND 0.626 INCHES MAXIMUM IN
•
FASTENER LENGTH: 5.000 INCHES NOMINAL IN
•
THREAD LENGTH: 2.000 INCHES MINIMUM IN
•
HARDNESS RATING: 22.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-634 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
NOMINAL THREAD DIAMETER: 0.875 INCHES IN
•
HEAD STYLE: FLAT COUNTERSUNK
•
THREAD DIRECTION: RIGHT-HAND
TECHNICAL CHARACTERISTICS
NECK LENGTH0.563 INCHES MINIMUM AND 0.626 INCHES MAXIMUM IN
FASTENER LENGTH5.000 INCHES NOMINAL IN
THREAD LENGTH2.000 INCHES MINIMUM IN
HARDNESS RATING22.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-634 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
NOMINAL THREAD DIAMETER0.875 INCHES IN
HEAD STYLEFLAT COUNTERSUNK
THREAD DIRECTIONRIGHT-HAND
NECK WIDTH0.875 INCHES MINIMUM AND 0.906 INCHES MAXIMUM IN
MINIMUM YIELD STRENGTH90000 POUNDS PER SQUARE INCH LBS
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
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 296879R1?
296879R1 is a BOLT,SQUARE NECK.
What is the NSN for 296879R1?
296879R1 is cataloged in the U.S. Government catalog under NSN 5306-00-616-2592. This indicates validated use in U.S. government and defense supply chains.
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