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618098 — NUT,SELF-LOCKING,EXTENDED WASHER

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

618098: NUT,SELF-LOCKING,EXTENDED WASHER.

NUT,SELF-LOCKING,EXTENDED WASHER. Key specifications include base_style: DOUBLE CONTACT BAYONET CANDELABRA, bulb_style: S (STRAIGHT SIDE), overall_length: 2.000 INCHES MAXIMUM IN, voltage_rating: 28.000 VOLTS NOMINAL, wattage_rating: 18.760 WATTS, bulb_designator: S-8. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-044-4781, 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
618098
NSN: 5310-00-044-4781
NIINs: 000444781, 001557782
FSC: 5310 — Nuts and Washers
CAGE: 15653 — HOWMET GLOBAL FASTENING SYSTEMS INC (USA)
SPECIFICATIONS
base_styleDOUBLE CONTACT BAYONET CANDELABRA
bulb_styleS (STRAIGHT SIDE)
overall_length2.000 INCHES MAXIMUM IN
voltage_rating28.000 VOLTS NOMINAL
wattage_rating18.760 WATTS
bulb_designatorS-8
rated_average_lifeHOURS
light_output_rating21.000 BEAM CANDLEPOWER NOMINAL SINGLE RATING
filament_designationC-2V V
average_life_rating_in_hours300.0
emitted_light_characteristicWHITE
current_rating_for_which_designed0.670 AMPERES NOMINAL
NSN5310-00-044-4781
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 618098 · 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
•
WASHER OUTSIDE DIAMETER: 0.430 INCHES NOMINAL IN
•
WIDTH ACROSS FLATS: 0.305 INCHES MINIMUM AND 0.313 INCHES MAXIMUM IN
•
THREAD SERIES: UNIFIED NATIONAL JOINT FINE (UNJF)
•
WASHER THICKNESS: 0.050 INCHES NOMINAL IN
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MATERIAL DOCUMENT AND CLASSIFICATION: AMS 6322 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
THREAD DIRECTION: RIGHT-HAND
•
NOMINAL THREAD SIZE: 0.250 INCHES IN
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT0.328 INCHES NOMINAL IN
WASHER OUTSIDE DIAMETER0.430 INCHES NOMINAL IN
WIDTH ACROSS FLATS0.305 INCHES MINIMUM AND 0.313 INCHES MAXIMUM IN
THREAD SERIESUNIFIED NATIONAL JOINT FINE (UNJF)
WASHER THICKNESS0.050 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 6322 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
THREAD DIRECTIONRIGHT-HAND
NOMINAL THREAD SIZE0.250 INCHES IN
LOCKING FEATUREPREVAILING TORQUE ALL METAL DESIGN
SURFACE TREATMENTCADMIUM OVERALL
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 618098?
618098 is a NUT,SELF-LOCKING,EXTENDED WASHER.
What is the NSN for 618098?
618098 is cataloged in the U.S. Government catalog under NSN 5310-00-044-4781. This indicates validated use in U.S. government and defense supply chains.
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