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PartsTable / COMPONENT / A40346
A40346 ✓ 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 MOUNT SHOCK ABSORBING is a the manufacturer industrial component. Key specifications include general_characteristics_item_description: RUBBER,1 IN. H,IDENTIFIED BY PART NO.

A40346 IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-037-6902, 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
A40346
NSN: 5310-00-037-6902
FSC: 5310
CAGE: 77445 — RTX CORPORATION DBA PRATT & WHITNEY DIV PRATT &WHITNEY (USA)
SPECIFICATIONS
general_characteristics_item_descriptionRUBBER,1 IN. H,IDENTIFIED BY PART NO. A40346 IN
NSN5310-00-037-6902
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: A40346 · 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
•
CENTER HOLE SHAPE STYLE: ROUND
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS 4500 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
MATERIAL: COPPER ALLOY 101 OVERALL
•
OVERALL DIAMETER: 0.875 INCHES NOMINAL IN
•
PERIPHERAL SHAPE STYLE: ROUND
•
HOLE DIAMETER: 0.625 INCHES NOMINAL IN
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
THICKNESS: 0.032 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
CENTER HOLE SHAPE STYLEROUND
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 4500 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALCOPPER ALLOY 101 OVERALL
OVERALL DIAMETER0.875 INCHES NOMINAL IN
PERIPHERAL SHAPE STYLEROUND
HOLE DIAMETER0.625 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
THICKNESS0.032 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
40346Interchangeable
interchangeable cross-reference
interchangeable
1854-0095Interchangeable
interchangeable cross-reference
interchangeable
52671Interchangeable
interchangeable cross-reference
interchangeable
B94.19 TABLE 8Interchangeable
interchangeable cross-reference
interchangeable
02261-0280-211Interchangeable
interchangeable cross-reference
interchangeable
65A81C937Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is A40346?
A40346 is a MOUNT SHOCK ABSORBING.
What parts can replace A40346?
There are 14 known substitutes for A40346: 40346, 1854-0095, 52671 and 11 more. Substitute compatibility should be verified for your specific system.
Is A40346 still available?
A40346 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