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427253 ✓ 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 JACK,AIRCRAFT LANDING GEAR is a the manufacturer industrial component. Key specifications include ring_set_component_parts: COMPRESSION RING,BB11070,65282,24; OIL RING,BB11077,65282,6. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-071-5325, 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
427253
NSN: 5310-00-071-5325
FSC: 5310
CAGE: 24617 — GENERAL MOTORS CORP (USA)
SPECIFICATIONS
ring_set_component_partsCOMPRESSION RING,BB11070,65282,24; OIL RING,BB11077,65282,6
piston_accommodation_quantity6
NSN5310-00-071-5325
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 427253 · 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
•
NUT STYLE: HEXAGON
•
TEMP RATING: 250.0 FAHRENHEIT NOMINAL DEGF
•
THREAD DIRECTION: RIGHT-HAND
•
BEARING SURFACE TYPE: CHAMFERED
•
NOMINAL THREAD SIZE: 0.138 INCHES IN
•
THREAD CLASS: 3B
•
WIDTH ACROSS FLATS: 0.305 INCHES MINIMUM AND 0.313 INCHES MAXIMUM IN
•
NUT HEIGHT: 0.168 INCHES MINIMUM AND 0.188 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
NUT STYLEHEXAGON
TEMP RATING250.0 FAHRENHEIT NOMINAL DEGF
THREAD DIRECTIONRIGHT-HAND
BEARING SURFACE TYPECHAMFERED
NOMINAL THREAD SIZE0.138 INCHES IN
THREAD CLASS3B
WIDTH ACROSS FLATS0.305 INCHES MINIMUM AND 0.313 INCHES MAXIMUM IN
NUT HEIGHT0.168 INCHES MINIMUM AND 0.188 INCHES MAXIMUM IN
THREAD SERIESUNIFIED NATIONAL COARSE (UNC)
LOCKING FEATUREPREVAILING TORQUE WITH NONMETALLIC INSERT
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
3817Interchangeable
interchangeable cross-reference
interchangeable
836AInterchangeable
interchangeable cross-reference
interchangeable
427253Interchangeable
interchangeable cross-reference
interchangeable
90631A007Interchangeable
interchangeable cross-reference
interchangeable
27NM632Interchangeable
interchangeable cross-reference
interchangeable
408-04-905Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 427253?
427253 is a JACK,AIRCRAFT LANDING GEAR.
What parts can replace 427253?
There are 8 known substitutes for 427253: 3817, 836A, 427253 and 5 more. Substitute compatibility should be verified for your specific system.
Is 427253 still available?
427253 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026