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A33277 ✓ 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 KEY,MACHINE is a the manufacturer industrial component. Key specifications include overall_width: 0.124 INCHES MINIMUM AND 0.126 INCHES MAXIMUM IN, overall_height: 0.124 INCHES MINIMUM AND 0.126 INCHES MAXIMUM IN, overall_length: 1.802 INCHES MINIMUM AND 1.822 INCHES MAXIMUM IN, style_designator: PLAIN, surface_treatment: OXIDE OVERALL, starting_edge_shape: STRAIGHT. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5315-01-044-0879, 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
A33277
NSN: 5315-01-044-0879
FSC: 5315
CAGE: 03990 — INGERSOLL-RAND COMPANY DBA INGERSOLL-RAND (USA)
SPECIFICATIONS
overall_width0.124 INCHES MINIMUM AND 0.126 INCHES MAXIMUM IN
overall_height0.124 INCHES MINIMUM AND 0.126 INCHES MAXIMUM IN
overall_length1.802 INCHES MINIMUM AND 1.822 INCHES MAXIMUM IN
style_designatorPLAIN
surface_treatmentOXIDE OVERALL
starting_edge_shapeSTRAIGHT
NSN5315-01-044-0879
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: A33277 · 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: PLAIN
•
SURFACE TREATMENT: OXIDE OVERALL
•
STARTING EDGE SHAPE: STRAIGHT
TECHNICAL CHARACTERISTICS (FLIS)
STYLE DESIGNATORPLAIN
SURFACE TREATMENTOXIDE OVERALL
OVERALL WIDTH0.124 INCHES MINIMUM AND 0.126 INCHES MAXIMUM IN
OVERALL LENGTH1.802 INCHES MINIMUM AND 1.822 INCHES MAXIMUM IN
STARTING EDGE SHAPESTRAIGHT
OVERALL HEIGHT0.124 INCHES MINIMUM AND 0.126 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 7
3277Interchangeable
interchangeable cross-reference
interchangeable
854910Interchangeable
interchangeable cross-reference
interchangeable
854292Interchangeable
interchangeable cross-reference
interchangeable
MIL-PRF-55182/6Interchangeable
interchangeable cross-reference
interchangeable
0730-0008Interchangeable
interchangeable cross-reference
interchangeable
RNC70K2800FSInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is A33277?
A33277 is a KEY,MACHINE.
What parts can replace A33277?
There are 7 known substitutes for A33277: 3277, 854910, 854292 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for A33277?
A33277 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5315-01-044-0879. 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