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NP38165 ✓ 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,RECESSED is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, recess_depth: 0.152 INCHES NOMINAL IN, hole_diameter: 1.016 INCHES NOMINAL IN, overall_height: 0.188 INCHES NOMINAL IN, outside_diameter: 1.625 INCHES NOMINAL IN, style_designator: RECESSED. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-209-3476, 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
NP38165
NSN: 5310-00-209-3476
FSC: 5310
CAGE: 7X677 — GENERAL MOTORS LLC DBA GENERAL MOTORS LLC (USA)
SPECIFICATIONS
materialSTEEL OVERALL
recess_depth0.152 INCHES NOMINAL IN
hole_diameter1.016 INCHES NOMINAL IN
overall_height0.188 INCHES NOMINAL IN
outside_diameter1.625 INCHES NOMINAL IN
style_designatorRECESSED
surface_treatmentPHOSPHATE OR ZINC OVERALL
material_thickness0.035 INCHES NOMINAL IN
NSN5310-00-209-3476
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: NP38165 · 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: 1.016 INCHES NOMINAL IN
•
RECESS DEPTH: 0.152 INCHES NOMINAL IN
•
MATERIAL THICKNESS: 0.035 INCHES NOMINAL IN
•
OUTSIDE DIAMETER: 1.625 INCHES NOMINAL IN
•
STYLE DESIGNATOR: RECESSED
•
SURFACE TREATMENT: PHOSPHATE OR ZINC OVERALL
•
MATERIAL: STEEL OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
HOLE DIAMETER1.016 INCHES NOMINAL IN
RECESS DEPTH0.152 INCHES NOMINAL IN
MATERIAL THICKNESS0.035 INCHES NOMINAL IN
OUTSIDE DIAMETER1.625 INCHES NOMINAL IN
STYLE DESIGNATORRECESSED
SURFACE TREATMENTPHOSPHATE OR ZINC OVERALL
OVERALL HEIGHT0.188 INCHES NOMINAL IN
MATERIALSTEEL OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 13
314278Interchangeable
interchangeable cross-reference
interchangeable
16X79Interchangeable
interchangeable cross-reference
interchangeable
98676R1Interchangeable
interchangeable cross-reference
interchangeable
7637616P0006Interchangeable
interchangeable cross-reference
interchangeable
RF6622-825SInterchangeable
interchangeable cross-reference
interchangeable
0428CG20Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is NP38165?
NP38165 is a WASHER,RECESSED.
What parts can replace NP38165?
There are 13 known substitutes for NP38165: 314278, 16X79, 98676R1 and 10 more. Substitute compatibility should be verified for your specific system.
Is NP38165 still available?
NP38165 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