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Technical Data Sheet
PartsTable / COMPONENT / 99112361
99112361 ✓ 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 material: STEEL OVERALL, hole_diameter: 0.609 INCHES NOMINAL IN, outside_diameter: 0.812 INCHES NOMINAL IN, style_designator: KEY, surface_treatment: CADMIUM OVERALL, material_thickness: 0.047 INCHES NOMINAL 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 5310-00-011-4432, 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
99112361
NSN: 5310-00-011-4432
FSC: 5310
CAGE: 71871 — ALFA LAVAL INC (USA)
SPECIFICATIONS
materialSTEEL OVERALL
hole_diameter0.609 INCHES NOMINAL IN
outside_diameter0.812 INCHES NOMINAL IN
style_designatorKEY
surface_treatmentCADMIUM OVERALL
material_thickness0.047 INCHES NOMINAL IN
external_key_quantity11
external_prebent_key_width0.125 INCHES NOMINAL IN
internal_prebent_key_width0.125 INCHES NOMINAL IN
internal_prebent_key_length0.078 INCHES NOMINAL IN
overall_distance_including_keys1.141 INCHES NOMINAL IN
NSN5310-00-011-4432
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 99112361 · 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
•
EXTERNAL KEY QUANTITY: 11
•
OVERALL DISTANCE INCLUDING KEYS: 1.141 INCHES NOMINAL IN
•
INTERNAL PREBENT KEY LENGTH: 0.078 INCHES NOMINAL IN
•
MATERIAL: STEEL OVERALL
•
OUTSIDE DIAMETER: 0.812 INCHES NOMINAL IN
•
STYLE DESIGNATOR: KEY
•
SURFACE TREATMENT: CADMIUM OVERALL
•
EXTERNAL PREBENT KEY WIDTH: 0.125 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
EXTERNAL KEY QUANTITY11
OVERALL DISTANCE INCLUDING KEYS1.141 INCHES NOMINAL IN
INTERNAL PREBENT KEY LENGTH0.078 INCHES NOMINAL IN
MATERIALSTEEL OVERALL
OUTSIDE DIAMETER0.812 INCHES NOMINAL IN
STYLE DESIGNATORKEY
SURFACE TREATMENTCADMIUM OVERALL
EXTERNAL PREBENT KEY WIDTH0.125 INCHES NOMINAL IN
HOLE DIAMETER0.609 INCHES NOMINAL IN
INTERNAL PREBENT KEY WIDTH0.125 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 18
K8681406REV1PT1Interchangeable
interchangeable cross-reference
interchangeable
7253Interchangeable
interchangeable cross-reference
interchangeable
405667Interchangeable
interchangeable cross-reference
interchangeable
1404057Interchangeable
interchangeable cross-reference
interchangeable
00044Interchangeable
interchangeable cross-reference
interchangeable
5330006181651Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 99112361?
99112361 is a WASHER,KEY.
What parts can replace 99112361?
There are 18 known substitutes for 99112361: K8681406REV1PT1, 7253, 405667 and 15 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 99112361?
99112361 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-011-4432. 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