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BCS1001 — WASHER,SEAL

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

BCS1001: WASHER,SEAL.

The WASHER,SEAL is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING OVERALL, hole_diameter: 0.065 INCHES NOMINAL0.065 INCHES NOMINAL IN, overall_height: 0.018 INCHES NOMINAL0.018 INCHES NOMINAL IN, outside_diameter: 0.120 INCHES NOMINAL0.120 INCHES NOMINAL IN, special_features: MATERIAL: STAINLESS STEEL TO BS.S.527 (1000-601 APPLIES)MATERIAL: STAINLESS STEEL TO BS.S.527 (1000-601 APPLIES), special_test_features: NO FINISH. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-053-3561, 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
BCS1001
NSN: 5310-01-053-3561
FSC: 5310 — Nuts and Washers
CAGE: 19623 — GE AVIATION SYSTEMS LLC DBA GE AVIATION SYSTEMS LLC (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING OVERALL
hole_diameter0.065 INCHES NOMINAL0.065 INCHES NOMINAL IN
overall_height0.018 INCHES NOMINAL0.018 INCHES NOMINAL IN
outside_diameter0.120 INCHES NOMINAL0.120 INCHES NOMINAL IN
special_featuresMATERIAL: STAINLESS STEEL TO BS.S.527 (1000-601 APPLIES)MATERIAL: STAINLESS STEEL TO BS.S.527 (1000-601 APPLIES)
special_test_featuresNO FINISH
supplementary_featuresCRITICAL ITEM
criticality_code_justificationSUPPSUPP
part_name_assigned_by_controlling_agencyWASHERWASHER
NSN5310-01-053-3561
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: BCS1001 · 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
•
SPECIAL TEST FEATURES: NO FINISH
•
SUPPLEMENTARY FEATURES: CRITICAL ITEM
•
CRITICALITY CODE JUSTIFICATION: SUPPSUPP
•
OUTSIDE DIAMETER: 0.120 INCHES NOMINAL0.120 INCHES NOMINAL IN
•
MATERIAL: STEEL CORROSION RESISTING OVERALL
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT0.018 INCHES NOMINAL0.018 INCHES NOMINAL IN
SPECIAL TEST FEATURESNO FINISH
SUPPLEMENTARY FEATURESCRITICAL ITEM
CRITICALITY CODE JUSTIFICATIONSUPPSUPP
OUTSIDE DIAMETER0.120 INCHES NOMINAL0.120 INCHES NOMINAL IN
SPECIAL FEATURESMATERIAL: STAINLESS STEEL TO BS.S.527 (1000-601 APPLIES)MATERIAL: STAINLESS STEEL TO BS.S.527 (1000-601 APPLIES)
PART NAME ASSIGNED BY CONTROLLING AGENCYWASHERWASHER
MATERIALSTEEL CORROSION RESISTING OVERALL
HOLE DIAMETER0.065 INCHES NOMINAL0.065 INCHES NOMINAL IN
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 BCS1001?
BCS1001 is a WASHER,SEAL.
What is the NSN for BCS1001?
BCS1001 is cataloged in the U.S. Government catalog under NSN 5310-01-053-3561. 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.