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PartsTable / COMPONENT / D171195B
D171195B ✓ 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,LOCK is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, hole_diameter: 0.168 INCHES MINIMUM AND 0.176 INCHES MAXIMUM IN, outside_diameter: 0.310 INCHES NOMINAL IN, style_designator: FLAT EXTERNAL TEETH, material_thickness: 0.047 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-198-9343, 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
D171195B
NSN: 5310-00-198-9343
FSC: 5310
CAGE: 04773 — GTE COMMUNICATION SYSTEMS CORP (USA)
SPECIFICATIONS
materialSTEEL OVERALL
hole_diameter0.168 INCHES MINIMUM AND 0.176 INCHES MAXIMUM IN
outside_diameter0.310 INCHES NOMINAL IN
style_designatorFLAT EXTERNAL TEETH
material_thickness0.047 INCHES NOMINAL IN
NSN5310-00-198-9343
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: D171195B · 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
•
MATERIAL THICKNESS: 0.047 INCHES NOMINAL IN
•
OUTSIDE DIAMETER: 0.310 INCHES NOMINAL IN
•
STYLE DESIGNATOR: FLAT EXTERNAL TEETH
•
HOLE DIAMETER: 0.168 INCHES MINIMUM AND 0.176 INCHES MAXIMUM IN
•
MATERIAL: STEEL OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
MATERIAL THICKNESS0.047 INCHES NOMINAL IN
OUTSIDE DIAMETER0.310 INCHES NOMINAL IN
STYLE DESIGNATORFLAT EXTERNAL TEETH
HOLE DIAMETER0.168 INCHES MINIMUM AND 0.176 INCHES MAXIMUM IN
MATERIALSTEEL OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 23
ESP-F-1.321-PPInterchangeable
interchangeable cross-reference
interchangeable
877-014CInterchangeable
interchangeable cross-reference
interchangeable
4028-34-00Interchangeable
interchangeable cross-reference
interchangeable
92165A030Interchangeable
interchangeable cross-reference
interchangeable
MS35333-109Interchangeable
interchangeable cross-reference
interchangeable
FF-W-100CInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is D171195B?
D171195B is a WASHER,LOCK.
What parts can replace D171195B?
There are 23 known substitutes for D171195B: ESP-F-1.321-PP, 877-014C, 4028-34-00 and 20 more. Substitute compatibility should be verified for your specific system.
Is D171195B still available?
D171195B 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