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61533 ✓ Verified by PartsTable
— · NUT WASHER
WHAT YOU NEED TO KNOW
Match nut grade to bolt grade for full strength Lock nuts prevent loosening under vibration
Don't mix grades — weakens the joint
PRODUCT OVERVIEW

The TRANSISTOR is a the manufacturer industrial component. Key specifications include material: STEEL COMP 1010 OVERALL, hole_diameter: 2.021 INCHES MINIMUM AND 2.041 INCHES MAXIMUM IN, overall_width: 1.050 INCHES MAXIMUM IN, overall_height: 0.450 INCHES MAXIMUM IN, overall_length: 1.573 INCHES MAXIMUM IN, hardness_rating: 70.0 ROCKWELL B MINIMUM AND 80.0 ROCKWELL B MAXIMUM. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-271-8526, 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
61533
NSN: 5310-00-271-8526
FSC: 5310
CAGE: 38018 — MANITOWOC ENGINEERING CO DIVISION OF THE MANITOWOC CO INC (USA)
SPECIFICATIONS
materialSTEEL COMP 1010 OVERALL
hole_diameter2.021 INCHES MINIMUM AND 2.041 INCHES MAXIMUM IN
overall_width1.050 INCHES MAXIMUM IN
overall_height0.450 INCHES MAXIMUM IN
overall_length1.573 INCHES MAXIMUM IN
hardness_rating70.0 ROCKWELL B MINIMUM AND 80.0 ROCKWELL B MAXIMUM
mounting_methodUNTHREADED HOLE(S)
outside_diameter2.646 INCHES MINIMUM AND 2.666 INCHES MAXIMUM IN
special_featuresJUNCTION PATTERN ARRANGEMENT: PNP
style_designatorSPLIT
material_thickness0.050 INCHES NOMINAL IN
internal_configurationJUNCTION CONTACT
NSN5310-00-271-8526
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 61533 · 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
•
HOLE DIAMETER: 2.021 INCHES MINIMUM AND 2.041 INCHES MAXIMUM IN
•
STYLE DESIGNATOR: SPLIT
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-633 CANC FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
MATERIAL: STEEL COMP 1010 OVERALL
•
DISTANCE ACROSS SPLIT OPENING: 0.052 INCHES MINIMUM AND 0.062 INCHES MAXIMUM IN
•
OUTSIDE DIAMETER: 2.646 INCHES MINIMUM AND 2.666 INCHES MAXIMUM IN
•
HARDNESS RATING: 70.0 ROCKWELL B MINIMUM AND 80.0 ROCKWELL B MAXIMUM
•
MATERIAL THICKNESS: 0.050 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
HOLE DIAMETER2.021 INCHES MINIMUM AND 2.041 INCHES MAXIMUM IN
STYLE DESIGNATORSPLIT
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-633 CANC FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 1010 OVERALL
DISTANCE ACROSS SPLIT OPENING0.052 INCHES MINIMUM AND 0.062 INCHES MAXIMUM IN
OUTSIDE DIAMETER2.646 INCHES MINIMUM AND 2.666 INCHES MAXIMUM IN
HARDNESS RATING70.0 ROCKWELL B MINIMUM AND 80.0 ROCKWELL B MAXIMUM
MATERIAL THICKNESS0.050 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 15
2957Interchangeable
interchangeable cross-reference
interchangeable
5319Interchangeable
interchangeable cross-reference
interchangeable
1AAN009957Interchangeable
interchangeable cross-reference
interchangeable
BM285Interchangeable
interchangeable cross-reference
interchangeable
72-6970-539Interchangeable
interchangeable cross-reference
interchangeable
FFB171Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 61533?
61533 is a TRANSISTOR.
What parts can replace 61533?
There are 15 known substitutes for 61533: 2957, 5319, 1AAN009957 and 12 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 61533?
61533 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-271-8526. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026