PartsTable
Technical Data Sheet
5-11-966-41 ✓ 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,FLAT is a the manufacturer industrial component. Key specifications include thickness: 0.064 INCHES MINIMUM AND 0.104 INCHES MAXIMUM IN, hole_diameter: 0.370 INCHES MINIMUM AND 0.390 INCHES MAXIMUM IN, overall_diameter: 0.868 INCHES MINIMUM AND 0.905 INCHES MAXIMUM IN, surface_treatment: CADMIUM AND CHROMATE OVERALL, peripheral_shape_style: ROUND, center_hole_shape_style: ROUND. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-087-7493, 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
5-11-966-41
NSN: 5310-00-087-7493
FSC: 5310
CAGE: 81337 — W1D1 NATICK SOLDIER CENTER DBA US ARMY CCDC SOLDIER CENTER DIV COMBAT CAPABILITIES DEVELOPMENT COMMAND - SOLDIER CENTER (USA)
SPECIFICATIONS
thickness0.064 INCHES MINIMUM AND 0.104 INCHES MAXIMUM IN
hole_diameter0.370 INCHES MINIMUM AND 0.390 INCHES MAXIMUM IN
overall_diameter0.868 INCHES MINIMUM AND 0.905 INCHES MAXIMUM IN
surface_treatmentCADMIUM AND CHROMATE OVERALL
peripheral_shape_styleROUND
center_hole_shape_styleROUND
end_item_identificationMRAP - COUGAR; MEDIUM MINE PROTECTED VEHICLE - MMPV; MULTIPLE LAUNCH ROCKET SYSTEM (MLRS)
cross-sectional_shape_styleRECTANGULAR
nondefinitive_spec/std_dataA TYPE AND 1 GRADE AND A CLASS
departure_from_cited_designatorAS MODIFIED BY THE FINISH
material_document_and_classificationASTM A109 ASSN STD ALL MATERIAL RESPONSES OVERALL
surface_treatment_document_and_classificationQQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
NSN5310-00-087-7493
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 5-11-966-41 · 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
THICKNESS: 0.064 INCHES MINIMUM AND 0.104 INCHES MAXIMUM IN
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM A109 ASSN STD ALL MATERIAL RESPONSES OVERALL
MATERIAL: STEEL COMP 1008 OR STEEL COMP 1009 OR STEEL COMP 1010 OR STEEL COMP 1011 OR STEEL COMP 1012 OR STEEL COMP 1013 OR STEEL COMP 1015 OR STEEL COMP 1016 OR STEEL COMP 1017 OR STEEL COMP 1018 OR STEEL COMP 1019 OR STEEL COMP 1020 OVERALL
SURFACE TREATMENT: CADMIUM AND CHROMATE OVERALL
PERIPHERAL SHAPE STYLE: ROUND
TECHNICAL CHARACTERISTICS (FLIS)
CENTER HOLE SHAPE STYLEROUND
THICKNESS0.064 INCHES MINIMUM AND 0.104 INCHES MAXIMUM IN
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A109 ASSN STD ALL MATERIAL RESPONSES OVERALL
MATERIALSTEEL COMP 1008 OR STEEL COMP 1009 OR STEEL COMP 1010 OR STEEL COMP 1011 OR STEEL COMP 1012 OR STEEL COMP 1013 OR STEEL COMP 1015 OR STEEL COMP 1016 OR STEEL COMP 1017 OR STEEL COMP 1018 OR STEEL COMP 1019 OR STEEL COMP 1020 OVERALL
END ITEM IDENTIFICATIONMRAP - COUGAR; MEDIUM MINE PROTECTED VEHICLE - MMPV; MULTIPLE LAUNCH ROCKET SYSTEM (MLRS)
SURFACE TREATMENTCADMIUM AND CHROMATE OVERALL
PERIPHERAL SHAPE STYLEROUND
HOLE DIAMETER0.370 INCHES MINIMUM AND 0.390 INCHES MAXIMUM IN
DEPARTURE FROM CITED DESIGNATORAS MODIFIED BY THE FINISH
VERIFIED SUBSTITUTES & CROSS-REFERENCES 30
120394Interchangeable
interchangeable cross-reference
interchangeable
1176J92-19Interchangeable
interchangeable cross-reference
interchangeable
9438083Interchangeable
interchangeable cross-reference
interchangeable
103341Interchangeable
interchangeable cross-reference
interchangeable
TR4436Interchangeable
interchangeable cross-reference
interchangeable
2552Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 5-11-966-41?
5-11-966-41 is a WASHER,FLAT.
What parts can replace 5-11-966-41?
There are 30 known substitutes for 5-11-966-41: 120394, 1176J92-19, 9438083 and 27 more. Substitute compatibility should be verified for your specific system.
Is 5-11-966-41 still available?
5-11-966-41 is currently cancelled.
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