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BACW10UCH6 — WASHER,FINISHING

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

BACW10UCH6: WASHER,FINISHING.

The WASHER,FINISHING is a the manufacturer industrial component. Key specifications include material: STEEL COMP 321 OR STEEL COMP 347 OR STEEL COMP 348 OVERALL, recess_angle: 100.0 DEGREES NOMINAL, hole_diameter: 0.201 INCHES NOMINAL IN, overall_height: 0.052 INCHES NOMINAL IN, recess_diameter: 0.312 INCHES NOMINAL IN, outside_diameter: 0.592 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-685-1900, 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
BACW10UCH6
NSN: 5310-00-685-1900
FSC: 5310 — Nuts and Washers
CAGE: 17765 — THE BOEING COMPANY DIV COMMERCIAL (USA)
SPECIFICATIONS
materialSTEEL COMP 321 OR STEEL COMP 347 OR STEEL COMP 348 OVERALL
recess_angle100.0 DEGREES NOMINAL
hole_diameter0.201 INCHES NOMINAL IN
overall_height0.052 INCHES NOMINAL IN
recess_diameter0.312 INCHES NOMINAL IN
outside_diameter0.592 INCHES NOMINAL IN
style_designatorFINISHING
material_thickness0.016 INCHES NOMINAL IN
specification/standard_data81205-BACW10U MANUFACTURERS STANDARD
material_document_and_classificationMIL-S-6721 MIL SPEC ALL MATERIAL RESPONSES OVERALL
NSN5310-00-685-1900
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: BACW10UCH6 · 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
•
STYLE DESIGNATOR: FINISHING
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-S-6721 MIL SPEC ALL MATERIAL RESPONSES OVERALL
•
OUTSIDE DIAMETER: 0.592 INCHES NOMINAL IN
•
MATERIAL THICKNESS: 0.016 INCHES NOMINAL IN
•
SPECIFICATION/STANDARD DATA: 81205-BACW10U MANUFACTURERS STANDARD
•
RECESS DIAMETER: 0.312 INCHES NOMINAL IN
•
MATERIAL: STEEL COMP 321 OR STEEL COMP 347 OR STEEL COMP 348 OVERALL
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT0.052 INCHES NOMINAL IN
STYLE DESIGNATORFINISHING
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-6721 MIL SPEC ALL MATERIAL RESPONSES OVERALL
OUTSIDE DIAMETER0.592 INCHES NOMINAL IN
MATERIAL THICKNESS0.016 INCHES NOMINAL IN
SPECIFICATION/STANDARD DATA81205-BACW10U MANUFACTURERS STANDARD
RECESS DIAMETER0.312 INCHES NOMINAL IN
MATERIALSTEEL COMP 321 OR STEEL COMP 347 OR STEEL COMP 348 OVERALL
HOLE DIAMETER0.201 INCHES NOMINAL IN
RECESS ANGLE100.0 DEGREES NOMINAL
OTHER ITEMS IN FSC 5310 — Nuts and Washers
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5310-00-000-0040 5310-00-000-0077 5310-00-000-0079 5310-00-000-1146 5310-00-000-3815 5310-00-000-4532 5310-00-000-4540
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is BACW10UCH6?
BACW10UCH6 is a WASHER,FINISHING.
What is the NSN for BACW10UCH6?
BACW10UCH6 is cataloged in the U.S. Government catalog under NSN 5310-00-685-1900. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.