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A8790-0-3 — A8790-0-3

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

A8790-0-3: A8790-0-3.

The A8790-0-3 is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 5310-01-455-9859, 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
A8790-0-3
NSN: 5310-01-455-9859
FSC: 5310 — Nuts and Washers
CAGE: 019L2 — ESNA, LLC (USA)
SPECIFICATIONS
Part NumberA8790-0-3
NSN5310-01-455-9859
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: A8790-0-3 · 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
•
LUBRICATION: DRY FILM LUBRICANT
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416, TY 2, CL 2 FED SPEC SINGLE TREATMENT RESPONSE NUT
•
THREAD SERIES: UNIFIED NATIONAL JOINT FINE (UNJF)
•
TEMP RATING: 450.0 FAHRENHEIT NOMINAL DEGF
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DISTANCE FROM BASE TO CENTER OF APERTURE: 0.575 INCHES MINIMUM AND 0.605 INCHES MAXIMUM IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS 6350 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 6300 ASSN STD SINGLE MATERIAL RESPONSE NUT
TECHNICAL CHARACTERISTICS
LUBRICATIONDRY FILM LUBRICANT
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416, TY 2, CL 2 FED SPEC SINGLE TREATMENT RESPONSE NUT
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416, TY 2, CL 2 FED SPEC SINGLE TREATMENT RESPONSE CLIP
THREAD SERIESUNIFIED NATIONAL JOINT FINE (UNJF)
TEMP RATING450.0 FAHRENHEIT NOMINAL DEGF
DISTANCE FROM BASE TO CENTER OF APERTURE0.575 INCHES MINIMUM AND 0.605 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 6350 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 6300 ASSN STD SINGLE MATERIAL RESPONSE NUT
MATERIAL DOCUMENT AND CLASSIFICATIONAMS5085 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 6350 ASSN STD SINGLE MATERIAL RESPONSE CLIP
OVERALL WIDTH0.400 INCHES MAXIMUM IN
THREAD DIRECTIONRIGHT-HAND
SUBSTITUTES & CROSS-REFERENCES 1
A8790-9-3Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is A8790-0-3?
A8790-0-3 is a A8790-0-3.
What parts can replace A8790-0-3?
There is 1 known substitute for A8790-0-3: A8790-9-3. Substitute compatibility should be verified for your specific system.
What is the NSN for A8790-0-3?
A8790-0-3 is cataloged in the U.S. Government catalog under NSN 5310-01-455-9859. This indicates validated use in U.S. government and defense supply chains.
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U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.