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Technical Data Sheet
PartsTable / COMPONENT / AMS-QQ-P-416
AMS-QQ-P-416 ✓ 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, head_style: HEXAGON, point_style: FLAT, thread_class: 2A A, thread_length: 1.500 INCHES NOMINAL IN, point_diameter: 0.396 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-080-9253, 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
AMS-QQ-P-416
NSN: 5310-00-080-9253
FSC: 5310
CAGE: 0U583 — SAE INTERNATIONAL DBA SAE INTERNATIONAL (USA)
SPECIFICATIONS
materialSTEEL OVERALL
head_styleHEXAGON
point_styleFLAT
thread_class2A A
thread_length1.500 INCHES NOMINAL IN
point_diameter0.396 INCHES NOMINAL IN
fastener_length12.000 INCHES NOMINAL IN
thread_directionRIGHT-HAND
surface_treatmentCADMIUM OVERALL
nominal_thread_diameter0.500 INCHES IN
thread_quantity_per_inch20
thread_series_designatorUNF
NSN5310-00-080-9253
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: AMS-QQ-P-416 · 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
•
PERIPHERAL SHAPE STYLE: ROUND
•
SURFACE TREATMENT: CADMIUM OVERALL
•
HOLE DIAMETER: 0.188 INCHES NOMINAL IN
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
MATERIAL: COPPER ALLOY OVERALL
•
THICKNESS: 0.040 INCHES NOMINAL IN
•
OVERALL DIAMETER: 0.375 INCHES NOMINAL IN
•
CENTER HOLE SHAPE STYLE: ROUND
TECHNICAL CHARACTERISTICS (FLIS)
PERIPHERAL SHAPE STYLEROUND
SURFACE TREATMENTCADMIUM OVERALL
HOLE DIAMETER0.188 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
MATERIALCOPPER ALLOY OVERALL
THICKNESS0.040 INCHES NOMINAL IN
OVERALL DIAMETER0.375 INCHES NOMINAL IN
CENTER HOLE SHAPE STYLEROUND
VERIFIED SUBSTITUTES & CROSS-REFERENCES 18
AMS-QQ-P-416Interchangeable
interchangeable cross-reference
interchangeable
LSN62CKInterchangeable
interchangeable cross-reference
interchangeable
8437849Interchangeable
interchangeable cross-reference
interchangeable
55366Interchangeable
interchangeable cross-reference
interchangeable
MIL-S-5626CInterchangeable
interchangeable cross-reference
interchangeable
240054Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is AMS-QQ-P-416?
AMS-QQ-P-416 is a WASHER,FLAT.
What parts can replace AMS-QQ-P-416?
There are 18 known substitutes for AMS-QQ-P-416: AMS-QQ-P-416, LSN62CK, 8437849 and 15 more. Substitute compatibility should be verified for your specific system.
Is AMS-QQ-P-416 still available?
AMS-QQ-P-416 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