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S6155-63041-6 — WASHER,FLAT

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

S6155-63041-6: WASHER,FLAT.

The WASHER,FLAT is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY 2024 OVERALL, thickness: 0.033 INCHES NOMINAL IN, hole_diameter: 0.195 INCHES MINIMUM AND 0.215 INCHES MAXIMUM IN, overall_diameter: 0.720 INCHES MINIMUM AND 0.780 INCHES MAXIMUM IN, width_across_flats: 0.470 INCHES MINIMUM AND 0.530 INCHES MAXIMUM IN, peripheral_shape_style: ROUND W/FLATS. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-043-1869, 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
S6155-63041-6
NSN: 5310-00-043-1869
FSC: 5310 — Nuts and Washers
CAGE: 78286 — SIKORSKY AIRCRAFT CORPORATION DBA SIKORSKY AIRCRAFT CORP (USA)
SPECIFICATIONS
materialALUMINUM ALLOY 2024 OVERALL
thickness0.033 INCHES NOMINAL IN
hole_diameter0.195 INCHES MINIMUM AND 0.215 INCHES MAXIMUM IN
overall_diameter0.720 INCHES MINIMUM AND 0.780 INCHES MAXIMUM IN
width_across_flats0.470 INCHES MINIMUM AND 0.530 INCHES MAXIMUM IN
peripheral_shape_styleROUND W/FLATS
center_hole_shape_styleROUND
cross-sectional_shape_styleRECTANGULAR
material_document_and_classificationQQ-A-362 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN5310-00-043-1869
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: S6155-63041-6 · 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
•
WIDTH ACROSS FLATS: 0.470 INCHES MINIMUM AND 0.530 INCHES MAXIMUM IN
•
OVERALL DIAMETER: 0.720 INCHES MINIMUM AND 0.780 INCHES MAXIMUM IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-A-362 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
PERIPHERAL SHAPE STYLE: ROUND W/FLATS
•
MATERIAL: ALUMINUM ALLOY 2024 OVERALL
•
CENTER HOLE SHAPE STYLE: ROUND
•
HOLE DIAMETER: 0.195 INCHES MINIMUM AND 0.215 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
WIDTH ACROSS FLATS0.470 INCHES MINIMUM AND 0.530 INCHES MAXIMUM IN
OVERALL DIAMETER0.720 INCHES MINIMUM AND 0.780 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-362 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
PERIPHERAL SHAPE STYLEROUND W/FLATS
MATERIALALUMINUM ALLOY 2024 OVERALL
CENTER HOLE SHAPE STYLEROUND
HOLE DIAMETER0.195 INCHES MINIMUM AND 0.215 INCHES MAXIMUM IN
THICKNESS0.033 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: Semi-active item — no replacement plannedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is S6155-63041-6?
S6155-63041-6 is a WASHER,FLAT.
What is the NSN for S6155-63041-6?
S6155-63041-6 is cataloged in the U.S. Government catalog under NSN 5310-00-043-1869. 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.