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A10655 ✓ 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 BREATHER is a the manufacturer industrial component. Key specifications include filter_type: DRY, overall_height: 3.060 INCHES MAXIMUM IN, outside_diameter: 2.750 INCHES MAXIMUM IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-013-8540, 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
A10655
NSN: 5310-00-013-8540
FSC: 5310
CAGE: U4574 — FNH UK LTD (GBR)
SPECIFICATIONS
filter_typeDRY
overall_height3.060 INCHES MAXIMUM IN
outside_diameter2.750 INCHES MAXIMUM IN
NSN5310-00-013-8540
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: A10655 · 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
•
SURFACE TREATMENT: PHOSPHATE OVERALL
•
MATERIAL THICKNESS: 0.020 INCHES MINIMUM AND 0.025 INCHES MAXIMUM IN
•
OUTSIDE DIAMETER: 0.594 INCHES MINIMUM AND 0.610 INCHES MAXIMUM IN
•
STYLE DESIGNATOR: FLAT INTERNAL TEETH
•
HOLE DIAMETER: 0.318 INCHES MINIMUM AND 0.333 INCHES MAXIMUM IN
•
NONDEFINITIVE SPEC/STD DATA: A TYPE
TECHNICAL CHARACTERISTICS (FLIS)
SURFACE TREATMENTPHOSPHATE OVERALL
MATERIAL THICKNESS0.020 INCHES MINIMUM AND 0.025 INCHES MAXIMUM IN
OUTSIDE DIAMETER0.594 INCHES MINIMUM AND 0.610 INCHES MAXIMUM IN
STYLE DESIGNATORFLAT INTERNAL TEETH
HOLE DIAMETER0.318 INCHES MINIMUM AND 0.333 INCHES MAXIMUM IN
NONDEFINITIVE SPEC/STD DATAA TYPE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
329MAG1Interchangeable
interchangeable cross-reference
interchangeable
518K32Interchangeable
interchangeable cross-reference
interchangeable
B9037Interchangeable
interchangeable cross-reference
interchangeable
138540Interchangeable
Same NIIN cross-reference
interchangeable
0740791Interchangeable
Same NIIN cross-reference
interchangeable
MS35333-58Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is A10655?
A10655 is a BREATHER.
What parts can replace A10655?
There are 6 known substitutes for A10655: 329MAG1, 518K32, B9037 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for A10655?
A10655 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-013-8540. 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