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83951-4-7 — BOLT,SHEAR

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

83951-4-7: BOLT,SHEAR.

The BOLT,SHEAR is a the manufacturer industrial component. Key specifications include material: COBALT ALLOY MP-159 OVERALL, head_style: SPLINE EXTENDED WASHER, grip_length: 0.437 INCHES NOMINAL IN, head_height: 0.300 INCHES NOMINAL IN, thread_class: 3A A, grip_diameter: 0.2485 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5306-01-358-9246, 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
83951-4-7
NSN: 5306-01-358-9246
FSC: 5306 — Bolts
CAGE: 56878 — SPS TECHNOLOGIES, LLC DBA PB FASTENERS (USA)
SPECIFICATIONS
materialCOBALT ALLOY MP-159 OVERALL
head_styleSPLINE EXTENDED WASHER
grip_length0.437 INCHES NOMINAL IN
head_height0.300 INCHES NOMINAL IN
thread_class3A A
grip_diameter0.2485 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM IN
thread_length0.571 INCHES NOMINAL IN
surface_finish32.0 MICROINCHES FASTENER
fastener_length0.993 INCHES MINIMUM AND 1.023 INCHES MAXIMUM IN
thread_directionRIGHT-HAND
surface_treatmentPASSIVATE OVERALL
head_minor_diameter0.318 INCHES MINIMUM AND 0.324 INCHES MAXIMUM IN
NSN5306-01-358-9246
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 83951-4-7 · 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
•
SURFACE FINISH: 32.0 MICROINCHES BEARING SURFACE OF HEAD
•
EXTENDED WASHER THICKNESS: 0.070 INCHES NOMINAL IN
•
HEAD HEIGHT: 0.300 INCHES NOMINAL IN
•
FASTENER LENGTH: 0.993 INCHES MINIMUM AND 1.023 INCHES MAXIMUM IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
•
EXTENDED WASHER DIAMETER: 0.460 INCHES MINIMUM AND 0.470 INCHES MAXIMUM IN
•
THREAD LENGTH: 0.571 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
SURFACE FINISH32.0 MICROINCHES BEARING SURFACE OF HEAD
SURFACE FINISH32.0 MICROINCHES FASTENER
EXTENDED WASHER THICKNESS0.070 INCHES NOMINAL IN
HEAD HEIGHT0.300 INCHES NOMINAL IN
FASTENER LENGTH0.993 INCHES MINIMUM AND 1.023 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
EXTENDED WASHER DIAMETER0.460 INCHES MINIMUM AND 0.470 INCHES MAXIMUM IN
THREAD LENGTH0.571 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5842 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NOMINAL THREAD DIAMETER0.250 INCHES IN
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
3D0118-1Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 83951-4-7?
83951-4-7 is a BOLT,SHEAR.
What parts can replace 83951-4-7?
There is 1 known substitute for 83951-4-7: 3D0118-1. Substitute compatibility should be verified for your specific system.
What is the NSN for 83951-4-7?
83951-4-7 is cataloged in the U.S. Government catalog under NSN 5306-01-358-9246. This indicates validated use in U.S. government and defense supply chains.
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