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4R-9842 — BOLT,RIBBED SHOULDER

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

4R-9842: BOLT,RIBBED SHOULDER.

The BOLT,RIBBED SHOULDER is a the manufacturer industrial component. Key specifications include head_style: FLAT CHAMFER, head_diameter: 33.27 MILLIMETERS NOMINAL MM, thread_length: 57.2 MILLIMETERS NOMINAL MM, shoulder_shape: ROUND FIRST SHOULDER, fastener_length: 88.9 MILLIMETERS NOMINAL MM, shoulder_length: 18.3 MILLIMETERS NOMINAL FIRST SHOULDER MM. This part is cataloged in the U.S.

Government catalog under NSN 5306-01-421-3186, 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
4R-9842
NSN: 5306-01-421-3186
FSC: 5306 — Bolts
CAGE: 11083 — CATERPILLAR INC DIV CATERPILLAR DEFENSE (USA)
SPECIFICATIONS
head_styleFLAT CHAMFER
head_diameter33.27 MILLIMETERS NOMINAL MM
thread_length57.2 MILLIMETERS NOMINAL MM
shoulder_shapeROUND FIRST SHOULDER
fastener_length88.9 MILLIMETERS NOMINAL MM
shoulder_length18.3 MILLIMETERS NOMINAL FIRST SHOULDER MM
shoulder_diameter25.58 MILLIMETERS NOMINAL FIRST SHOULDER MM
nominal_thread_diameter22.0 MILLIMETERS MM
thread_quantity_per_inch1.5
thread_series_designatorM
external_thread_tolerance_class6G G
NSN5306-01-421-3186
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 4R-9842 · 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
•
EXTERNAL THREAD TOLERANCE CLASS: 6G G
•
FASTENER LENGTH: 88.9 MILLIMETERS NOMINAL MM
•
SHOULDER LENGTH: 18.3 MILLIMETERS NOMINAL FIRST SHOULDER MM
•
SHOULDER DIAMETER: 25.58 MILLIMETERS NOMINAL FIRST SHOULDER MM
•
THREAD LENGTH: 57.2 MILLIMETERS NOMINAL MM
•
SHOULDER SHAPE: ROUND FIRST SHOULDER
•
NOMINAL THREAD DIAMETER: 22.0 MILLIMETERS MM
•
HEAD STYLE: FLAT CHAMFER
TECHNICAL CHARACTERISTICS
EXTERNAL THREAD TOLERANCE CLASS6G G
FASTENER LENGTH88.9 MILLIMETERS NOMINAL MM
SHOULDER LENGTH18.3 MILLIMETERS NOMINAL FIRST SHOULDER MM
SHOULDER DIAMETER25.58 MILLIMETERS NOMINAL FIRST SHOULDER MM
THREAD LENGTH57.2 MILLIMETERS NOMINAL MM
SHOULDER SHAPEROUND FIRST SHOULDER
NOMINAL THREAD DIAMETER22.0 MILLIMETERS MM
HEAD STYLEFLAT CHAMFER
THREAD QUANTITY PER INCH1.5
THREAD SERIES DESIGNATORM
SUBSTITUTES & CROSS-REFERENCES 1
101164Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Terminal item — stock exhausted; no further procurementNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 4R-9842?
4R-9842 is a BOLT,RIBBED SHOULDER.
What parts can replace 4R-9842?
There is 1 known substitute for 4R-9842: 101164. Substitute compatibility should be verified for your specific system.
What is the NSN for 4R-9842?
4R-9842 is cataloged in the U.S. Government catalog under NSN 5306-01-421-3186. This indicates validated use in U.S. government and defense supply chains.
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