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B1533 — B1533

✓ Government record, cited
— · MRO · MRO_GENERAL
PRODUCT OVERVIEW

B1533: B1533.

The B1533 is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, hole_diameter: 1.406 INCHES NOMINAL IN, outside_diameter: 2.375 INCHES NOMINAL IN, style_designator: KEY, material_thickness: 0.062 INCHES NOMINAL IN, internal_prebent_key_width: 0.156 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-281-3384, 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
MRO→ MRO_GENERAL→ B1533
NSN: 5310-00-281-3384
NIINs: 002813384, 015991485
FSC: 5310 — Nuts and Washers
CAGE: 64104 — DRESSER, LLC (USA)
SPECIFICATIONS
materialSTEEL OVERALL
hole_diameter1.406 INCHES NOMINAL IN
outside_diameter2.375 INCHES NOMINAL IN
style_designatorKEY
material_thickness0.062 INCHES NOMINAL IN
internal_prebent_key_width0.156 INCHES NOMINAL IN
internal_prebent_key_length0.125 INCHES NOMINAL IN
distance_from_centerline_to_inside_of_prebent_key0.890 INCHES NOMINAL IN
NSN5310-00-281-3384
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: B1533 · 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
•
DISTANCE FROM CENTERLINE TO INSIDE OF PREBENT KEY: 0.890 INCHES NOMINAL IN
•
INTERNAL PREBENT KEY WIDTH: 0.156 INCHES NOMINAL IN
•
STYLE DESIGNATOR: KEY
•
OUTSIDE DIAMETER: 2.375 INCHES NOMINAL IN
•
MATERIAL THICKNESS: 0.062 INCHES NOMINAL IN
•
INTERNAL PREBENT KEY LENGTH: 0.125 INCHES NOMINAL IN
•
MATERIAL: STEEL OVERALL
•
HOLE DIAMETER: 1.406 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
DISTANCE FROM CENTERLINE TO INSIDE OF PREBENT KEY0.890 INCHES NOMINAL IN
INTERNAL PREBENT KEY WIDTH0.156 INCHES NOMINAL IN
STYLE DESIGNATORKEY
OUTSIDE DIAMETER2.375 INCHES NOMINAL IN
MATERIAL THICKNESS0.062 INCHES NOMINAL IN
INTERNAL PREBENT KEY LENGTH0.125 INCHES NOMINAL IN
MATERIALSTEEL OVERALL
HOLE DIAMETER1.406 INCHES NOMINAL IN
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is B1533?
B1533 is a B1533. It is classified as a MRO (MRO_GENERAL).
What is the NSN for B1533?
B1533 is cataloged in the U.S. Government catalog under NSN 5310-00-281-3384. 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.