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PartsTable / COMPONENT / 169800-2
169800-2 ✓ 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,SEAL is a the manufacturer industrial component. Key specifications include hole_diameter: 0.141 INCHES MINIMUM AND 0.265 INCHES MAXIMUM IN, outside_diameter: 0.698 INCHES MINIMUM AND 0.760 INCHES MAXIMUM IN, material_thickness: 0.0959 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-01-303-8765, 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
169800-2
NSN: 5310-01-303-8765
FSC: 5310
CAGE: 26512 — NORTHROP GRUMMAN SYSTEMS CORPORATION (USA)
SPECIFICATIONS
hole_diameter0.141 INCHES MINIMUM AND 0.265 INCHES MAXIMUM IN
outside_diameter0.698 INCHES MINIMUM AND 0.760 INCHES MAXIMUM IN
special_featuresGASKET,RUBBER ASTM D2000,M3BA714A16; PLATE,STAINLES STEEL TYPE 302,AMS 5513 OR TYPE 304,ASTM A240; GASKET PERMANENTLY BONDED TO PLATE
material_thickness0.0959 INCHES NOMINAL IN
NSN5310-01-303-8765
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 169800-2 · 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: 0.0959 INCHES NOMINAL IN
•
HOLE DIAMETER: 0.141 INCHES MINIMUM AND 0.265 INCHES MAXIMUM IN
•
OUTSIDE DIAMETER: 0.698 INCHES MINIMUM AND 0.760 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
MATERIAL THICKNESS0.0959 INCHES NOMINAL IN
HOLE DIAMETER0.141 INCHES MINIMUM AND 0.265 INCHES MAXIMUM IN
SPECIAL FEATURESGASKET,RUBBER ASTM D2000,M3BA714A16; PLATE,STAINLES STEEL TYPE 302,AMS 5513 OR TYPE 304,ASTM A240; GASKET PERMANENTLY BONDED TO PLATE
OUTSIDE DIAMETER0.698 INCHES MINIMUM AND 0.760 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 16
3027Interchangeable
IBM - 9GB U160 10K 68pin Drive
interchangeable
9199Interchangeable
interchangeable cross-reference
interchangeable
S15Interchangeable
interchangeable cross-reference
interchangeable
12Z3045-2Interchangeable
interchangeable cross-reference
interchangeable
7S15Interchangeable
interchangeable cross-reference
interchangeable
9176152Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 169800-2?
169800-2 is a WASHER,SEAL.
What parts can replace 169800-2?
There are 16 known substitutes for 169800-2: 3027, 9199, S15 and 13 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 169800-2?
169800-2 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-01-303-8765. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026