PartsTable
Technical Data Sheet
B18613 ✓ 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 WASHER,FLAT is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY 613 OVERALL, thickness: 0.025 INCHES MINIMUM AND 0.040 INCHES MAXIMUM IN, hole_diameter: 0.120 INCHES MINIMUM AND 0.130 INCHES MAXIMUM IN, overall_diameter: 0.307 INCHES MINIMUM AND 0.320 INCHES MAXIMUM IN, peripheral_shape_style: ROUND, center_hole_shape_style: ROUND. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-167-0698, 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
B18613
NSN: 5310-00-167-0698
FSC: 5310
CAGE: K0967 — MBDA UK LTD (GBR)
SPECIFICATIONS
materialCOPPER ALLOY 613 OVERALL
thickness0.025 INCHES MINIMUM AND 0.040 INCHES MAXIMUM IN
hole_diameter0.120 INCHES MINIMUM AND 0.130 INCHES MAXIMUM IN
overall_diameter0.307 INCHES MINIMUM AND 0.320 INCHES MAXIMUM IN
peripheral_shape_styleROUND
center_hole_shape_styleROUND
cross-sectional_shape_styleRECTANGULAR
nondefinitive_spec/std_dataA TYPE AND 1 GRADE AND E CLASS
NSN5310-00-167-0698
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: B18613 · 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
MATERIAL: COPPER ALLOY 613 OVERALL
NONDEFINITIVE SPEC/STD DATA: A TYPE AND 1 GRADE AND E CLASS
OVERALL DIAMETER: 0.307 INCHES MINIMUM AND 0.320 INCHES MAXIMUM IN
PERIPHERAL SHAPE STYLE: ROUND
CENTER HOLE SHAPE STYLE: ROUND
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
HOLE DIAMETER: 0.120 INCHES MINIMUM AND 0.130 INCHES MAXIMUM IN
THICKNESS: 0.025 INCHES MINIMUM AND 0.040 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALCOPPER ALLOY 613 OVERALL
NONDEFINITIVE SPEC/STD DATAA TYPE AND 1 GRADE AND E CLASS
OVERALL DIAMETER0.307 INCHES MINIMUM AND 0.320 INCHES MAXIMUM IN
PERIPHERAL SHAPE STYLEROUND
CENTER HOLE SHAPE STYLEROUND
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
HOLE DIAMETER0.120 INCHES MINIMUM AND 0.130 INCHES MAXIMUM IN
THICKNESS0.025 INCHES MINIMUM AND 0.040 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
MS15795-904Interchangeable
interchangeable cross-reference
interchangeable
MS15795-64Interchangeable
interchangeable cross-reference
interchangeable
01875Interchangeable
interchangeable cross-reference
interchangeable
HV10511Interchangeable
interchangeable cross-reference
interchangeable
530658Interchangeable
interchangeable cross-reference
interchangeable
LS12906-42Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is B18613?
B18613 is a WASHER,FLAT.
What parts can replace B18613?
There are 12 known substitutes for B18613: MS15795-904, MS15795-64, 01875 and 9 more. Substitute compatibility should be verified for your specific system.
Is B18613 still available?
B18613 is currently cancelled.
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