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Technical Data Sheet
PartsTable / COMPONENT / 91624440
91624440 ✓ 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 material: STEEL OVERALL, thickness: 0.022 INCHES MINIMUM AND 0.042 INCHES MAXIMUM IN, hole_diameter: 0.164 INCHES MINIMUM AND 0.184 INCHES MAXIMUM IN, overall_diameter: 0.370 INCHES MINIMUM AND 0.395 INCHES MAXIMUM IN, surface_treatment: CADMIUM OVERALL, peripheral_shape_style: ROUND. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-515-8058, 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
91624440
NSN: 5310-00-515-8058
FSC: 5310
CAGE: F6481 — THALES SA (FRA)
SPECIFICATIONS
materialSTEEL OVERALL
thickness0.022 INCHES MINIMUM AND 0.042 INCHES MAXIMUM IN
hole_diameter0.164 INCHES MINIMUM AND 0.184 INCHES MAXIMUM IN
overall_diameter0.370 INCHES MINIMUM AND 0.395 INCHES MAXIMUM IN
surface_treatmentCADMIUM OVERALL
peripheral_shape_styleROUND
center_hole_shape_styleROUND
cross-sectional_shape_styleRECTANGULAR
material_document_and_classificationMIL-S-7952 MIL SPEC SINGLE MATERIAL RESPONSE OR QQ-S-698 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
surface_treatment_document_and_classificationQQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
NSN5310-00-515-8058
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 91624440 · 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
•
HOLE DIAMETER: 0.164 INCHES MINIMUM AND 0.184 INCHES MAXIMUM IN
•
OVERALL DIAMETER: 0.370 INCHES MINIMUM AND 0.395 INCHES MAXIMUM IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-S-7952 MIL SPEC SINGLE MATERIAL RESPONSE OR QQ-S-698 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
MATERIAL: STEEL OVERALL
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
THICKNESS: 0.022 INCHES MINIMUM AND 0.042 INCHES MAXIMUM IN
•
PERIPHERAL SHAPE STYLE: ROUND
•
CENTER HOLE SHAPE STYLE: ROUND
TECHNICAL CHARACTERISTICS (FLIS)
HOLE DIAMETER0.164 INCHES MINIMUM AND 0.184 INCHES MAXIMUM IN
OVERALL DIAMETER0.370 INCHES MINIMUM AND 0.395 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-7952 MIL SPEC SINGLE MATERIAL RESPONSE OR QQ-S-698 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL OVERALL
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
THICKNESS0.022 INCHES MINIMUM AND 0.042 INCHES MAXIMUM IN
PERIPHERAL SHAPE STYLEROUND
CENTER HOLE SHAPE STYLEROUND
SURFACE TREATMENTCADMIUM OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 24
K16-408Interchangeable
interchangeable cross-reference
interchangeable
K238Interchangeable
interchangeable cross-reference
interchangeable
16-408Interchangeable
interchangeable cross-reference
interchangeable
150300-0250Interchangeable
interchangeable cross-reference
interchangeable
150300-0205Interchangeable
interchangeable cross-reference
interchangeable
110288Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 91624440?
91624440 is a WASHER,FLAT.
What parts can replace 91624440?
There are 24 known substitutes for 91624440: K16-408, K238, 16-408 and 21 more. Substitute compatibility should be verified for your specific system.
Is 91624440 still available?
91624440 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