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Technical Data Sheet
PartsTable / COMPONENT / 10392422
10392422 ✓ 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 WASHER,KEY is a the manufacturer industrial component. Key specifications include hole_diameter: 0.989 INCHES MINIMUM AND 1.009 INCHES MAXIMUM IN, outside_diameter: 1.281 INCHES MINIMUM AND 1.296 INCHES MAXIMUM IN, style_designator: KEY, material_thickness: 0.046 INCHES MINIMUM AND 0.054 INCHES MAXIMUM IN, external_key_quantity: 13, end_item_identification: MULTIPLE LAUNCH ROCKET SYSTEM (MLRS). This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-159-6495, 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
10392422
NSN: 5310-00-159-6495
FSC: 5310
CAGE: A486G — NIMIKKEISTOKESKUS NCB FINLAND (FIN)
SPECIFICATIONS
hole_diameter0.989 INCHES MINIMUM AND 1.009 INCHES MAXIMUM IN
outside_diameter1.281 INCHES MINIMUM AND 1.296 INCHES MAXIMUM IN
style_designatorKEY
material_thickness0.046 INCHES MINIMUM AND 0.054 INCHES MAXIMUM IN
external_key_quantity13
end_item_identificationMULTIPLE LAUNCH ROCKET SYSTEM (MLRS)
external_prebent_key_width0.146 INCHES MINIMUM AND 0.166 INCHES MAXIMUM IN
internal_prebent_key_width0.156 INCHES MINIMUM AND 0.176 INCHES MAXIMUM IN
internal_prebent_key_length0.094 INCHES MINIMUM AND 0.125 INCHES MAXIMUM IN
nondefinitive_spec/std_data1 TYPE AND 1 CLASS
overall_distance_including_keys1.719 INCHES MAXIMUM IN
material_document_and_classification66 FED STD ALL MATERIAL RESPONSES OVERALL
NSN5310-00-159-6495
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 10392422 · 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
•
OUTSIDE DIAMETER: 1.281 INCHES MINIMUM AND 1.296 INCHES MAXIMUM IN
•
HOLE DIAMETER: 0.989 INCHES MINIMUM AND 1.009 INCHES MAXIMUM IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: 66 FED STD ALL MATERIAL RESPONSES OVERALL
•
OVERALL DISTANCE INCLUDING KEYS: 1.719 INCHES MAXIMUM IN
•
NONDEFINITIVE SPEC/STD DATA: 1 TYPE AND 1 CLASS
•
STYLE DESIGNATOR: KEY
•
EXTERNAL PREBENT KEY WIDTH: 0.146 INCHES MINIMUM AND 0.166 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
OUTSIDE DIAMETER1.281 INCHES MINIMUM AND 1.296 INCHES MAXIMUM IN
HOLE DIAMETER0.989 INCHES MINIMUM AND 1.009 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATION66 FED STD ALL MATERIAL RESPONSES OVERALL
OVERALL DISTANCE INCLUDING KEYS1.719 INCHES MAXIMUM IN
END ITEM IDENTIFICATIONMULTIPLE LAUNCH ROCKET SYSTEM (MLRS)
NONDEFINITIVE SPEC/STD DATA1 TYPE AND 1 CLASS
STYLE DESIGNATORKEY
EXTERNAL PREBENT KEY WIDTH0.146 INCHES MINIMUM AND 0.166 INCHES MAXIMUM IN
INTERNAL PREBENT KEY WIDTH0.156 INCHES MINIMUM AND 0.176 INCHES MAXIMUM IN
EXTERNAL KEY QUANTITY13
VERIFIED SUBSTITUTES & CROSS-REFERENCES 20
5310000085904Interchangeable
interchangeable cross-reference
interchangeable
MILW21338Interchangeable
interchangeable cross-reference
interchangeable
MS19069A15Interchangeable
interchangeable cross-reference
interchangeable
MS19070-093Interchangeable
interchangeable cross-reference
interchangeable
MS19070-103Interchangeable
interchangeable cross-reference
interchangeable
MS19070-163Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 10392422?
10392422 is a WASHER,KEY.
What parts can replace 10392422?
There are 20 known substitutes for 10392422: 5310000085904, MILW21338, MS19069A15 and 17 more. Substitute compatibility should be verified for your specific system.
Is 10392422 still available?
10392422 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