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3018311 — FOOT,PROTECTIVE COVER

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

3018311: FOOT,PROTECTIVE COVER.

The FOOT,PROTECTIVE COVER is a the manufacturer industrial component. Key specifications include fsc_application_data: AIRCRAFT GUNNERY FIRE CONTROL COMPONENTS, end_item_identification: AN/AAQ-9,DETECTING SET,INFRARED. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-182-5824, 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
3018311
NSN: 5310-00-182-5824
NIINs: 001825824, 010724357
FSC: 5310 — Nuts and Washers
CAGE: 00198 — PRATT & WHITNEY CANADA CORP DIV PRATT & WHITNEY CANADA CORP. (CAN)
SPECIFICATIONS
fsc_application_dataAIRCRAFT GUNNERY FIRE CONTROL COMPONENTS
end_item_identificationAN/AAQ-9,DETECTING SET,INFRARED
NSN5310-00-182-5824
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 3018311 · 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
•
OVERALL DIAMETER: 0.770 INCHES MINIMUM AND 0.780 INCHES MAXIMUM IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS 5570 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
PERIPHERAL SHAPE STYLE: ROUND
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MATERIAL: STEEL COMP 321 OVERALL
•
CENTER HOLE SHAPE STYLE: ROUND
•
HOLE DIAMETER: 0.560 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
OVERALL DIAMETER0.770 INCHES MINIMUM AND 0.780 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5570 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
SPECIAL FEATURESOD CHAMFERD ON LEFT AND RIGHT SIDE 0.008 IN. MIN,0.022 IN. MAX BY 45 DEG IN
PERIPHERAL SHAPE STYLEROUND
MATERIALSTEEL COMP 321 OVERALL
CENTER HOLE SHAPE STYLEROUND
HOLE DIAMETER0.560 INCHES NOMINAL IN
THICKNESS0.045 INCHES MINIMUM AND 0.055 INCHES MAXIMUM IN
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 3018311?
3018311 is a FOOT,PROTECTIVE COVER.
What is the NSN for 3018311?
3018311 is cataloged in the U.S. Government catalog under NSN 5310-00-182-5824. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.