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1366AS650 — NUT,PLAIN,ASSEMBLED WASHER

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

1366AS650: NUT,PLAIN,ASSEMBLED WASHER.

The NUT,PLAIN,ASSEMBLED WASHER is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, nut_style: PLAIN DISHEDPLAIN DISHED, thread_class: 2B2B, thread_series: UNF, overall_height: 0.581 INCHES MINIMUM AND 0.581 INCHES MINIMUM AND 0.678 INCHES MAXIMUM0.678 INCHES MAXIMUM IN, thread_direction: RIGHT-HAND. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-284-0859, 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
1366AS650
NSN: 5310-01-284-0859
FSC: 5310 — Nuts and Washers
CAGE: 30003 — NAVAL AIR SYSTEMS COMMAND MANAGED ORIGINAL DESIGN ACTIVITY NOT MATERIAL/PARTS SUPPLIER (USA)
SPECIFICATIONS
materialSTEEL OVERALL
nut_stylePLAIN DISHEDPLAIN DISHED
thread_class2B2B
thread_seriesUNF
overall_height0.581 INCHES MINIMUM AND 0.581 INCHES MINIMUM AND 0.678 INCHES MAXIMUM0.678 INCHES MAXIMUM IN
thread_directionRIGHT-HAND
surface_treatmentCADMIUM OR PHOSPHATE OVERALL
nominal_thread_size0.625 INCHES IN
washer_outside_diameter1.280 INCHES MINIMUM AND 1.280 INCHES MINIMUM AND 1.330 INCHES MAXIMUM1.330 INCHES MAXIMUM IN
thread_quantity_per_inch1818
NSN5310-01-284-0859
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 1366AS650 · 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: 1.280 INCHES MINIMUM AND 1.280 INCHES MINIMUM AND 1.330 INCHES MAXIMUM1.330 INCHES MAXIMUM IN
•
THREAD SERIES: UNF
•
THREAD DIRECTION: RIGHT-HAND
•
NOMINAL THREAD SIZE: 0.625 INCHES IN
•
SURFACE TREATMENT: CADMIUM OR PHOSPHATE OVERALL
•
NUT STYLE: PLAIN DISHEDPLAIN DISHED
•
THREAD CLASS: 2B2B
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT0.581 INCHES MINIMUM AND 0.581 INCHES MINIMUM AND 0.678 INCHES MAXIMUM0.678 INCHES MAXIMUM IN
WASHER OUTSIDE DIAMETER1.280 INCHES MINIMUM AND 1.280 INCHES MINIMUM AND 1.330 INCHES MAXIMUM1.330 INCHES MAXIMUM IN
THREAD SERIESUNF
THREAD DIRECTIONRIGHT-HAND
NOMINAL THREAD SIZE0.625 INCHES IN
SURFACE TREATMENTCADMIUM OR PHOSPHATE OVERALL
NUT STYLEPLAIN DISHEDPLAIN DISHED
THREAD CLASS2B2B
THREAD QUANTITY PER INCH1818
MATERIALSTEEL OVERALL
OTHER ITEMS IN FSC 5310 — Nuts and Washers
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5310-00-000-0040 5310-00-000-0077 5310-00-000-0079 5310-00-000-1146 5310-00-000-3815 5310-00-000-4532 5310-00-000-4540
SUBSTITUTES & CROSS-REFERENCES 1
TLGF-5818-SReference 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 1366AS650?
1366AS650 is a NUT,PLAIN,ASSEMBLED WASHER.
What parts can replace 1366AS650?
There is 1 known substitute for 1366AS650: TLGF-5818-S. Substitute compatibility should be verified for your specific system.
What is the NSN for 1366AS650?
1366AS650 is cataloged in the U.S. Government catalog under NSN 5310-01-284-0859. 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.