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PartsTable / COMPONENT / 2190-0009
2190-0009 ✓ 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: COPPER ALLOY OVERALL, hole_diameter: 0.168 INCHES NOMINAL IN, outside_diameter: 0.340 INCHES NOMINAL IN, style_designator: FLAT INTERNAL TEETH. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-019-0670, 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
2190-0009
NSN: 5310-00-019-0670
FSC: 5310
CAGE: 28480 — HEWLETT-PACKARD COMPANY DBA HP (USA)
SPECIFICATIONS
materialCOPPER ALLOY OVERALL
hole_diameter0.168 INCHES NOMINAL IN
outside_diameter0.340 INCHES NOMINAL IN
style_designatorFLAT INTERNAL TEETH
NSN5310-00-019-0670
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 2190-0009 · 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: COPPER ALLOY OVERALL
•
NONDEFINITIVE SPEC/STD DATA: A TYPE
•
HOLE DIAMETER: 0.168 INCHES MINIMUM AND 0.176 INCHES MAXIMUM IN
•
MATERIAL THICKNESS: 0.018 INCHES MINIMUM AND 0.023 INCHES MAXIMUM IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-B-750 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
STYLE DESIGNATOR: FLAT INTERNAL TEETH
•
OUTSIDE DIAMETER: 0.325 INCHES MINIMUM AND 0.340 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
END ITEM IDENTIFICATIONMULTIPLE LAUNCH ROCKET SYSTEM (MLRS)
MATERIALCOPPER ALLOY OVERALL
NONDEFINITIVE SPEC/STD DATAA TYPE
HOLE DIAMETER0.168 INCHES MINIMUM AND 0.176 INCHES MAXIMUM IN
MATERIAL THICKNESS0.018 INCHES MINIMUM AND 0.023 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-B-750 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
STYLE DESIGNATORFLAT INTERNAL TEETH
OUTSIDE DIAMETER0.325 INCHES MINIMUM AND 0.340 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 24
60079G001Interchangeable
interchangeable cross-reference
interchangeable
16203Interchangeable
interchangeable cross-reference
interchangeable
73A8Interchangeable
interchangeable cross-reference
interchangeable
V4225Interchangeable
interchangeable cross-reference
interchangeable
19097Interchangeable
interchangeable cross-reference
interchangeable
G350187S1Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 2190-0009?
2190-0009 is a WASHER,LOCK.
What parts can replace 2190-0009?
There are 24 known substitutes for 2190-0009: 60079G001, 16203, 73A8 and 21 more. Substitute compatibility should be verified for your specific system.
Is 2190-0009 still available?
2190-0009 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