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14558U — WASHER,SHOULDERED

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

14558U: WASHER,SHOULDERED.

The WASHER,SHOULDERED is a the manufacturer industrial component. Key specifications include end_item_identification: F-18 E/F FIGHTER AIRCRAFT, criticality_code_justification: AGAV, part_name_assigned_by_controlling_agency: WASHER,SHOULDERED,AIRCRAFT. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-571-0107, 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
14558U
NSN: 5310-01-571-0107
FSC: 5310 — Nuts and Washers
CAGE: 27494 — STAFFALL, INC. DBA STAFFALL INC (USA)
SPECIFICATIONS
end_item_identificationF-18 E/F FIGHTER AIRCRAFT
criticality_code_justificationAGAV
part_name_assigned_by_controlling_agencyWASHER,SHOULDERED,AIRCRAFT
NSN5310-01-571-0107
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 14558U · 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
•
CRITICALITY CODE JUSTIFICATION: AGAV
TECHNICAL CHARACTERISTICS
CRITICALITY CODE JUSTIFICATIONAGAV
PART NAME ASSIGNED BY CONTROLLING AGENCYWASHER,SHOULDERED,AIRCRAFT
END ITEM IDENTIFICATIONF-18 E/F FIGHTER AIRCRAFT
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 2
1401-1-FR4Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
W308-19Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 14558U?
14558U is a WASHER,SHOULDERED.
What parts can replace 14558U?
There are 2 known substitutes for 14558U: 1401-1-FR4, W308-19. Substitute compatibility should be verified for your specific system.
What is the NSN for 14558U?
14558U is cataloged in the U.S. Government catalog under NSN 5310-01-571-0107. 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.