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8003-19 — 8003-19

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

8003-19: 8003-19.

The 8003-19 is a the manufacturer industrial component. Key specifications include length: 1.600 INCHES NOMINAL IN, material: ALUMINUM, style_designator: TEAR-DROP (EGG-SHAPED), surface_treatment: ANODIZE, end_item_identification: AERIAL REFUELING COUPLING TESTERS. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-737-2590, 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
8003-19
NSN: 5310-00-737-2590
NIINs: 007372590, 014395908
FSC: 5310 — Nuts and Washers
CAGE: 34623 — AM GENERAL LLC (USA)
SPECIFICATIONS
length1.600 INCHES NOMINAL IN
materialALUMINUM
special_featuresITEM IS A COMPONENT OF THE 8003-16 FLOW CONTROL CRANK ASSEMBLY OF THE 81015 NSN 4920-01-186-5820) AND 81015-1 (NSN 4920-01-483-2490) AERIAL REFUELING COUPLING TESTERS
style_designatorTEAR-DROP (EGG-SHAPED)
surface_treatmentANODIZE
end_item_identificationAERIAL REFUELING COUPLING TESTERS
NSN5310-00-737-2590
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 8003-19 · 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
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NUT WIDTH: 0.625 INCHES NOMINAL IN
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NUT LENGTH: 1.140 INCHES NOMINAL IN
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MATERIAL DOCUMENT AND CLASSIFICATION: SAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
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MATERIAL THICKNESS: 0.044 INCHES NOMINAL IN
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PANEL THICKNESS: 0.075 INCHES MINIMUM AND 0.094 INCHES MAXIMUM IN
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MATING MEMBER DIAMETER ACCOMMODATED: 0.437 INCHES NOMINAL IN
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NUT STYLE: SHEET SPRING
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MATERIAL: STEEL COMP 1064 OVERALL
TECHNICAL CHARACTERISTICS
NUT WIDTH0.625 INCHES NOMINAL IN
NUT LENGTH1.140 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONSAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIAL THICKNESS0.044 INCHES NOMINAL IN
PANEL THICKNESS0.075 INCHES MINIMUM AND 0.094 INCHES MAXIMUM IN
MATING MEMBER DIAMETER ACCOMMODATED0.437 INCHES NOMINAL IN
NUT STYLESHEET SPRING
MATERIALSTEEL COMP 1064 OVERALL
SUBSTITUTES & CROSS-REFERENCES 1
C1108-5610-4Reference document
Same NSN cross-reference
Reference document — Secondary reference
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 8003-19?
8003-19 is a 8003-19.
What parts can replace 8003-19?
There is 1 known substitute for 8003-19: C1108-5610-4. Substitute compatibility should be verified for your specific system.
What is the NSN for 8003-19?
8003-19 is cataloged in the U.S. Government catalog under NSN 5310-00-737-2590. 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.