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BW214851 ✓ 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,RECESSED is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, recess_depth: 0.126 INCHES NOMINAL IN, hole_diameter: 0.637 INCHES MINIMUM AND 0.642 INCHES MAXIMUM IN, overall_height: 0.172 INCHES MINIMUM AND 0.203 INCHES MAXIMUM IN, outside_diameter: 1.671 INCHES MINIMUM AND 1.701 INCHES MAXIMUM IN, style_designator: RECESSED. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-426-8255, 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
BW214851
NSN: 5310-00-426-8255
FSC: 5310
CAGE: 30379 — EUCLID INC (USA)
SPECIFICATIONS
materialSTEEL OVERALL
recess_depth0.126 INCHES NOMINAL IN
hole_diameter0.637 INCHES MINIMUM AND 0.642 INCHES MAXIMUM IN
overall_height0.172 INCHES MINIMUM AND 0.203 INCHES MAXIMUM IN
outside_diameter1.671 INCHES MINIMUM AND 1.701 INCHES MAXIMUM IN
style_designatorRECESSED
surface_treatmentCADMIUM OVERALL
material_thickness0.057 INCHES MINIMUM AND 0.067 INCHES MAXIMUM IN
NSN5310-00-426-8255
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: BW214851 · 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
•
SURFACE TREATMENT: CADMIUM OVERALL
•
STYLE DESIGNATOR: RECESSED
•
MATERIAL: STEEL OVERALL
•
MATERIAL THICKNESS: 0.057 INCHES MINIMUM AND 0.067 INCHES MAXIMUM IN
•
OUTSIDE DIAMETER: 1.671 INCHES MINIMUM AND 1.701 INCHES MAXIMUM IN
•
RECESS DEPTH: 0.126 INCHES NOMINAL IN
•
HOLE DIAMETER: 0.637 INCHES MINIMUM AND 0.642 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
SURFACE TREATMENTCADMIUM OVERALL
STYLE DESIGNATORRECESSED
MATERIALSTEEL OVERALL
OVERALL HEIGHT0.172 INCHES MINIMUM AND 0.203 INCHES MAXIMUM IN
MATERIAL THICKNESS0.057 INCHES MINIMUM AND 0.067 INCHES MAXIMUM IN
OUTSIDE DIAMETER1.671 INCHES MINIMUM AND 1.701 INCHES MAXIMUM IN
RECESS DEPTH0.126 INCHES NOMINAL IN
HOLE DIAMETER0.637 INCHES MINIMUM AND 0.642 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 5
21485-1Interchangeable
interchangeable cross-reference
interchangeable
21485Interchangeable
interchangeable cross-reference
interchangeable
2201460Interchangeable
Same NIIN cross-reference
interchangeable
16T1616Interchangeable
Same NIIN cross-reference
interchangeable
65BC18Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is BW214851?
BW214851 is a WASHER,RECESSED.
What parts can replace BW214851?
There are 5 known substitutes for BW214851: 21485-1, 21485, 2201460 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for BW214851?
BW214851 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-426-8255. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026