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BACW10BN7AC — WASHER,RECESSED

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

BACW10BN7AC: WASHER,RECESSED.

The WASHER,RECESSED is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY 2024 OVERALL, hole_diameter: 0.376 INCHES MINIMUM AND 0.387 INCHES MAXIMUM IN, outside_diameter: 0.830 INCHES MINIMUM AND 0.850 INCHES MAXIMUM IN, special_features: SUBASSEMBLY IS TRANSMISSION INSTL-INBD TE FLAP DRIVE OUTBD; REFER TO BOEING I.P.C. BOE2429 27-51-06-01NO.

22, style_designator: SHOULDERED AND RECESSED, shoulder_diameter: 0.551 INCHES MINIMUM AND 0.571 INCHES MAXIMUM IN. This part is cataloged in the U.S. Government catalog under NSN 5310-01-523-4563, 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
BACW10BN7AC
NSN: 5310-01-523-4563
FSC: 5310 — Nuts and Washers
CAGE: 81205 — THE BOEING COMPANY DIV DEFENSE (USA)
SPECIFICATIONS
materialALUMINUM ALLOY 2024 OVERALL
hole_diameter0.376 INCHES MINIMUM AND 0.387 INCHES MAXIMUM IN
outside_diameter0.830 INCHES MINIMUM AND 0.850 INCHES MAXIMUM IN
special_featuresSUBASSEMBLY IS TRANSMISSION INSTL-INBD TE FLAP DRIVE OUTBD; REFER TO BOEING I.P.C. BOE2429 27-51-06-01NO. 22
style_designatorSHOULDERED AND RECESSED
shoulder_diameter0.551 INCHES MINIMUM AND 0.571 INCHES MAXIMUM IN
surface_treatmentANODIZE OVERALL
material_thickness0.064 INCHES MINIMUM AND 0.078 INCHES MAXIMUM IN
end_item_identificationFIXED WING AIRCRAFT, BOEING MODEL757
specification/standard_data81205-BACW10BN MANUFACTURERS STANDARD
material_document_and_classificationQQ-A-250/4 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
surface_treatment_document_and_classificationMIL-A-8625, TY 1 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
NSN5310-01-523-4563
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: BACW10BN7AC · 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: MIL-A-8625, TY 1 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
•
STYLE DESIGNATOR: SHOULDERED AND RECESSED
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-A-250/4 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
OUTSIDE DIAMETER: 0.830 INCHES MINIMUM AND 0.850 INCHES MAXIMUM IN
•
MATERIAL THICKNESS: 0.064 INCHES MINIMUM AND 0.078 INCHES MAXIMUM IN
•
SPECIFICATION/STANDARD DATA: 81205-BACW10BN MANUFACTURERS STANDARD
•
SHOULDER DIAMETER: 0.551 INCHES MINIMUM AND 0.571 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-A-8625, TY 1 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
STYLE DESIGNATORSHOULDERED AND RECESSED
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-250/4 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
OUTSIDE DIAMETER0.830 INCHES MINIMUM AND 0.850 INCHES MAXIMUM IN
MATERIAL THICKNESS0.064 INCHES MINIMUM AND 0.078 INCHES MAXIMUM IN
SPECIFICATION/STANDARD DATA81205-BACW10BN MANUFACTURERS STANDARD
SHOULDER DIAMETER0.551 INCHES MINIMUM AND 0.571 INCHES MAXIMUM IN
SPECIAL FEATURESSUBASSEMBLY IS TRANSMISSION INSTL-INBD TE FLAP DRIVE OUTBD; REFER TO BOEING I.P.C. BOE2429 27-51-06-01NO. 22
SURFACE TREATMENTANODIZE OVERALL
END ITEM IDENTIFICATIONFIXED WING AIRCRAFT, BOEING MODEL757
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: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is BACW10BN7AC?
BACW10BN7AC is a WASHER,RECESSED.
What is the NSN for BACW10BN7AC?
BACW10BN7AC is cataloged in the U.S. Government catalog under NSN 5310-01-523-4563. 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.