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BACW10BP12ACU — WASHER,RECESSED

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

BACW10BP12ACU: WASHER,RECESSED.

The WASHER,RECESSED is a the manufacturer industrial component. Key specifications include material: IRON ALLOY 660 OVERALL, recess_angle: 45.0 DEGREES MINIMUM AND 50.0 DEGREES MAXIMUM, hole_diameter: 0.750 INCHES MINIMUM AND 0.761 INCHES MAXIMUM IN, recess_diameter: 0.895 INCHES MINIMUM AND 0.915 INCHES MAXIMUM IN, outside_diameter: 1.230 INCHES MINIMUM AND 1.250 INCHES MAXIMUM IN, style_designator: RECESSED. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-203-3228, 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
BACW10BP12ACU
NSN: 5310-01-203-3228
NIINs: 012033228, 016697020
FSC: 5310 — Nuts and Washers
CAGE: 81205 — THE BOEING COMPANY DIV DEFENSE (USA)
SPECIFICATIONS
materialIRON ALLOY 660 OVERALL
recess_angle45.0 DEGREES MINIMUM AND 50.0 DEGREES MAXIMUM
hole_diameter0.750 INCHES MINIMUM AND 0.761 INCHES MAXIMUM IN
recess_diameter0.895 INCHES MINIMUM AND 0.915 INCHES MAXIMUM IN
outside_diameter1.230 INCHES MINIMUM AND 1.250 INCHES MAXIMUM IN
style_designatorRECESSED
surface_treatmentPASSIVATE OVERALL
material_thickness0.073 INCHES MINIMUM AND 0.087 INCHES MAXIMUM IN
end_item_identificationKC-46 AIRCRAFT
specification/standard_data81205-BACW10BP MANUFACTURERS STANDARD
material_document_and_classificationAMS 5525 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
surface_treatment_document_and_classificationQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
NSN5310-01-203-3228
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: BACW10BP12ACU · 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 DOCUMENT AND CLASSIFICATION: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
•
STYLE DESIGNATOR: RECESSED
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS 5525 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
OUTSIDE DIAMETER: 1.230 INCHES MINIMUM AND 1.250 INCHES MAXIMUM IN
•
MATERIAL THICKNESS: 0.073 INCHES MINIMUM AND 0.087 INCHES MAXIMUM IN
•
SPECIFICATION/STANDARD DATA: 81205-BACW10BP MANUFACTURERS STANDARD
•
RECESS DIAMETER: 0.895 INCHES MINIMUM AND 0.915 INCHES MAXIMUM IN
•
SURFACE TREATMENT: PASSIVATE OVERALL
TECHNICAL CHARACTERISTICS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
STYLE DESIGNATORRECESSED
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5525 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
OUTSIDE DIAMETER1.230 INCHES MINIMUM AND 1.250 INCHES MAXIMUM IN
MATERIAL THICKNESS0.073 INCHES MINIMUM AND 0.087 INCHES MAXIMUM IN
SPECIFICATION/STANDARD DATA81205-BACW10BP MANUFACTURERS STANDARD
RECESS DIAMETER0.895 INCHES MINIMUM AND 0.915 INCHES MAXIMUM IN
SURFACE TREATMENTPASSIVATE OVERALL
MATERIALIRON ALLOY 660 OVERALL
HOLE DIAMETER0.750 INCHES MINIMUM AND 0.761 INCHES MAXIMUM IN
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is BACW10BP12ACU?
BACW10BP12ACU is a WASHER,RECESSED.
What is the NSN for BACW10BP12ACU?
BACW10BP12ACU is cataloged in the U.S. Government catalog under NSN 5310-01-203-3228. 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.