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A12885 ✓ 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 NUT,RETAING,FLOATIN is a the manufacturer industrial component. Key specifications include material: STEEL COMP 1045 OVERALL, first_end_style: CHAMFERED, pin_overall_length: 3.210 INCHES MINIMUM AND 3.290 INCHES MAXIMUM IN, first_hole_diameter: 0.246 INCHES MINIMUM AND 0.248 INCHES MAXIMUM IN, pin_overall_diameter: 0.9820 INCHES MINIMUM AND 0.9860 INCHES MAXIMUM IN, second_hole_diameter: 0.246 INCHES MINIMUM AND 0.248 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 5310-00-320-2177, 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
A12885
NSN: 5310-00-320-2177
FSC: 5310
CAGE: 00198 — PRATT & WHITNEY CANADA CORP DIV PRATT & WHITNEY CANADA CORP. (CAN)
SPECIFICATIONS
materialSTEEL COMP 1045 OVERALL
first_end_styleCHAMFERED
pin_overall_length3.210 INCHES MINIMUM AND 3.290 INCHES MAXIMUM IN
first_hole_diameter0.246 INCHES MINIMUM AND 0.248 INCHES MAXIMUM IN
pin_overall_diameter0.9820 INCHES MINIMUM AND 0.9860 INCHES MAXIMUM IN
second_hole_diameter0.246 INCHES MINIMUM AND 0.248 INCHES MAXIMUM IN
first_end_taper_angle45.0 DEGREES NOMINAL
first_end_taper_length0.040 INCHES MINIMUM AND 0.080 INCHES MAXIMUM IN
hole_arrangement_styleBOTH END DRILLED
second_end_relationship_with_first_endIDENTICAL
center_to_center_distance_between_holes2.730 INCHES MINIMUM AND 2.770 INCHES MAXIMUM IN
distance_from_centerline_of_hole_to_end_of_pin0.210 INCHES MINIMUM AND 0.290 INCHES MAXIMUM IN
NSN5310-00-320-2177
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: A12885 · 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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 11
1289-5Interchangeable
interchangeable cross-reference
interchangeable
1288-5Interchangeable
interchangeable cross-reference
interchangeable
7109318-001Interchangeable
interchangeable cross-reference
interchangeable
7710-7Interchangeable
interchangeable cross-reference
interchangeable
7710Interchangeable
interchangeable cross-reference
interchangeable
PG2A115VACInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is A12885?
A12885 is a NUT,RETAING,FLOATIN.
What parts can replace A12885?
There are 11 known substitutes for A12885: 1289-5, 1288-5, 7109318-001 and 8 more. Substitute compatibility should be verified for your specific system.
What is the NSN for A12885?
A12885 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-320-2177. 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