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280-0022F00 — NUT,SELF-LOCKING,EXTENDED WASHER

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

280-0022F00: NUT,SELF-LOCKING,EXTENDED WASHER.

NUT,SELF-LOCKING,EXTENDED WASHER. Key specifications include material: ALUMINUM AND COPPER ALLOY OVERALL, nut_style: HEXAGON, thread_class: 2B, thread_series: UNEF, overall_height: 0.970 INCHES NOMINAL IN, special_features: MATERIAL ALUMINUM BRONZE WITH NO FINISH. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-565-1790, 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
280-0022F00
NSN: 5310-01-565-1790
FSC: 5310 — Nuts and Washers
CAGE: 1HVU5 — ACE AND COMPANY, INC DBA STRAN TECHNOLOGIES (USA)
SPECIFICATIONS
materialALUMINUM AND COPPER ALLOY OVERALL
nut_styleHEXAGON
thread_class2B
thread_seriesUNEF
overall_height0.970 INCHES NOMINAL IN
special_featuresMATERIAL ALUMINUM BRONZE WITH NO FINISH
thread_directionRIGHT-HAND
washer_thickness0.387 INCHES NOMINAL IN
width_across_flats0.940 INCHES NOMINAL IN
nominal_thread_size0.750 INCHES IN
end_item_identification4935-01-182-0578; SHOP EQUIPMENT, GUIDED MISSILE SYSTEM
washer_outside_diameter0.500 INCHES NOMINAL IN
NSN5310-01-565-1790
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 280-0022F00 · 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: 0.500 INCHES NOMINAL IN
•
WIDTH ACROSS FLATS: 0.940 INCHES NOMINAL IN
•
THREAD SERIES: UNEF
•
WASHER THICKNESS: 0.387 INCHES NOMINAL IN
•
THREAD DIRECTION: RIGHT-HAND
•
NOMINAL THREAD SIZE: 0.750 INCHES IN
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT0.970 INCHES NOMINAL IN
WASHER OUTSIDE DIAMETER0.500 INCHES NOMINAL IN
WIDTH ACROSS FLATS0.940 INCHES NOMINAL IN
THREAD SERIESUNEF
WASHER THICKNESS0.387 INCHES NOMINAL IN
THREAD DIRECTIONRIGHT-HAND
NOMINAL THREAD SIZE0.750 INCHES IN
SPECIAL FEATURESMATERIAL ALUMINUM BRONZE WITH NO FINISH
PART NAME ASSIGNED BY CONTROLLING AGENCYNUT, HOUSING, SPLICE, TFOCA I
NUT STYLEHEXAGON
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

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 280-0022F00?
280-0022F00 is a NUT,SELF-LOCKING,EXTENDED WASHER.
What is the NSN for 280-0022F00?
280-0022F00 is cataloged in the U.S. Government catalog under NSN 5310-01-565-1790. This indicates validated use in U.S. government and defense supply chains.
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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.