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B541-1501-19 — WASHER,LOCK

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

B541-1501-19: WASHER,LOCK.

The WASHER,LOCK is a the manufacturer industrial component. Key specifications include material: NICKEL ALLOY OVERALL, hole_diameter: 1.281 INCHES MINIMUM AND 1.312 INCHES MAXIMUM IN, outside_diameter: 2.760 INCHES MINIMUM AND 2.880 INCHES MAXIMUM IN, special_features: 8 SPLINE LOCK WASHER WITH TAB IN CENTER HOLE, style_designator: FLAT EXTERNAL TEETH, material_thickness: 0.062 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-516-6245, 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
B541-1501-19
NSN: 5310-01-516-6245
FSC: 5310 — Nuts and Washers
CAGE: 96169 — ELECTRIC BOAT CORPORATION DIV GENERAL DYNAMICS ELECTRIC BOAT (USA)
SPECIFICATIONS
materialNICKEL ALLOY OVERALL
hole_diameter1.281 INCHES MINIMUM AND 1.312 INCHES MAXIMUM IN
outside_diameter2.760 INCHES MINIMUM AND 2.880 INCHES MAXIMUM IN
special_features8 SPLINE LOCK WASHER WITH TAB IN CENTER HOLE
style_designatorFLAT EXTERNAL TEETH
material_thickness0.062 INCHES NOMINAL IN
material_document_and_classificationQQ-N-286 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN5310-01-516-6245
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: B541-1501-19 · 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: FLAT EXTERNAL TEETH
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-N-286 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
OUTSIDE DIAMETER: 2.760 INCHES MINIMUM AND 2.880 INCHES MAXIMUM IN
•
MATERIAL THICKNESS: 0.062 INCHES NOMINAL IN
•
MATERIAL: NICKEL ALLOY OVERALL
•
HOLE DIAMETER: 1.281 INCHES MINIMUM AND 1.312 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
STYLE DESIGNATORFLAT EXTERNAL TEETH
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-N-286 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
OUTSIDE DIAMETER2.760 INCHES MINIMUM AND 2.880 INCHES MAXIMUM IN
MATERIAL THICKNESS0.062 INCHES NOMINAL IN
SPECIAL FEATURES8 SPLINE LOCK WASHER WITH TAB IN CENTER HOLE
MATERIALNICKEL ALLOY OVERALL
HOLE DIAMETER1.281 INCHES MINIMUM AND 1.312 INCHES MAXIMUM 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 B541-1501-19?
B541-1501-19 is a WASHER,LOCK.
What is the NSN for B541-1501-19?
B541-1501-19 is cataloged in the U.S. Government catalog under NSN 5310-01-516-6245. 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.