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Technical Data Sheet
185B2 ✓ Verified by PartsTable
· NUT WASHER
WHAT YOU NEED TO KNOW
Match nut grade to bolt grade for full strength Lock nuts prevent loosening under vibration
Don't mix grades — weakens the joint
PRODUCT OVERVIEW

The PIN,STRAIGHT,HEADED is a the manufacturer industrial component. Key specifications include height: 0.078 INCHES MINIMUM AND 0.109 INCHES MAXIMUM IN, diameter: 0.3114 INCHES MINIMUM AND 0.3120 INCHES MAXIMUM IN, material: STEEL COMP 1010 OR STEEL COMP 1018 OVERALL, head_style: FLAT CHAMFER, chamfer_length: 0.016 INCHES MINIMUM AND 0.031 INCHES MAXIMUM IN, style_designator: STRAIGHT. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5315-00-272-6624, 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
185B2
NSN: 5315-00-272-6624
FSC: 5315
CAGE: 56442 — DIAMOND REO TRUCK CO (USA)
SPECIFICATIONS
height0.078 INCHES MINIMUM AND 0.109 INCHES MAXIMUM IN
diameter0.3114 INCHES MINIMUM AND 0.3120 INCHES MAXIMUM IN
materialSTEEL COMP 1010 OR STEEL COMP 1018 OVERALL
head_styleFLAT CHAMFER
chamfer_length0.016 INCHES MINIMUM AND 0.031 INCHES MAXIMUM IN
style_designatorSTRAIGHT
features_providedCASEHARDENED
pin_chamfer_angle8.0 DEGREES NOMINAL
pin_head_diameter0.422 INCHES MINIMUM AND 0.453 INCHES MAXIMUM IN
under_head_length1.546 INCHES MINIMUM AND 1.578 INCHES MAXIMUM IN
first_hole_diameter0.110 INCHES NOMINAL IN
hole_arrangement_styleONE END DRILLED
NSN5315-00-272-6624
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 185B2 · OEM ⚠ VERIFY BEFORE ORDERING Grade matters for torque spec — don't mix grades. A Grade 5 nut on a Grade 8 bolt weakens the joint. Lock nuts, wing nuts, and castle nuts are NOT interchangeable with standard hex ✓ BROKER TIP Match nut to bolt thread class and material. Stainless bolt + zinc nut = galvanic corrosion. Always verify finish matches (plain, zinc, hot-dip galvanized) PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
HEIGHT: 0.078 INCHES MINIMUM AND 0.109 INCHES MAXIMUM IN
UNDER HEAD LENGTH: 1.546 INCHES MINIMUM AND 1.578 INCHES MAXIMUM IN
PIN CHAMFER ANGLE: 8.0 DEGREES NOMINAL
HEAD STYLE: FLAT CHAMFER
HOLE ARRANGEMENT STYLE: ONE END DRILLED
FEATURES PROVIDED: CASEHARDENED
CHAMFER LENGTH: 0.016 INCHES MINIMUM AND 0.031 INCHES MAXIMUM IN
STYLE DESIGNATOR: STRAIGHT
TECHNICAL CHARACTERISTICS (FLIS)
HEIGHT0.078 INCHES MINIMUM AND 0.109 INCHES MAXIMUM IN
UNDER HEAD LENGTH1.546 INCHES MINIMUM AND 1.578 INCHES MAXIMUM IN
PIN CHAMFER ANGLE8.0 DEGREES NOMINAL
HEAD STYLEFLAT CHAMFER
HOLE ARRANGEMENT STYLEONE END DRILLED
FEATURES PROVIDEDCASEHARDENED
CHAMFER LENGTH0.016 INCHES MINIMUM AND 0.031 INCHES MAXIMUM IN
STYLE DESIGNATORSTRAIGHT
PIN HEAD DIAMETER0.422 INCHES MINIMUM AND 0.453 INCHES MAXIMUM IN
DISTANCE FROM CENTERLINE OF HOLE TO END OF PIN0.124 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
850894Interchangeable
interchangeable cross-reference
interchangeable
C314-1Interchangeable
interchangeable cross-reference
interchangeable
925496Interchangeable
interchangeable cross-reference
interchangeable
FJT1100Interchangeable
interchangeable cross-reference
interchangeable
DE104Interchangeable
interchangeable cross-reference
interchangeable
48P228591-01Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 185B2?
185B2 is a PIN,STRAIGHT,HEADED.
What parts can replace 185B2?
There are 9 known substitutes for 185B2: 850894, C314-1, 925496 and 6 more. Substitute compatibility should be verified for your specific system.
Is 185B2 still available?
185B2 is currently cancelled.
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