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FTR-5-0-2-.540-SC — RETAINER,ASSEMBLED NUT

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

FTR-5-0-2-.540-SC: RETAINER,ASSEMBLED NUT.

The RETAINER,ASSEMBLED NUT is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING, overall_width: 0.313 INCHES NOMINAL IN, special_features: GRIP LENGTH 0.540 INCH IN, surface_treatment: CADMIUM, end_item_identification: AIRCRAFT, THUNDERBOLT II, A-10, part_name_assigned_by_controlling_agency: 17-4 STAINLESS STEEL RETAINER, STANDARD HEAD, CLASS II, CADMIUM. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-568-5722, 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
FTR-5-0-2-.540-SC
NSN: 5340-01-568-5722
FSC: 5340 — Hardware, Commercial
CAGE: 51439 — FATIGUE TECHNOLOGY, INC (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING
overall_width0.313 INCHES NOMINAL IN
special_featuresGRIP LENGTH 0.540 INCH IN
surface_treatmentCADMIUM
end_item_identificationAIRCRAFT, THUNDERBOLT II, A-10
part_name_assigned_by_controlling_agency17-4 STAINLESS STEEL RETAINER, STANDARD HEAD, CLASS II, CADMIUM
NSN5340-01-568-5722
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: FTR-5-0-2-.540-SC MFR: OEM ⚠ VERIFY BEFORE ORDERING Wrong material = failure. Viton for oil/fuel, EPDM for water/steam, Buna-N for general purpose, Silicone for food-grade. Chemical incompatibility causes swelling, brittleness, or rapid degradation ✓ BROKER TIP Durometer (hardness) affects sealing pressure tolerance. Higher Shore A = harder = higher pressure. Standard durometer is 70A — verify if application requires different hardness PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
SURFACE TREATMENT: CADMIUM
•
MATERIAL: STEEL CORROSION RESISTING
TECHNICAL CHARACTERISTICS
OVERALL WIDTH0.313 INCHES NOMINAL IN
SPECIAL FEATURESGRIP LENGTH 0.540 INCH IN
SURFACE TREATMENTCADMIUM
PART NAME ASSIGNED BY CONTROLLING AGENCY17-4 STAINLESS STEEL RETAINER, STANDARD HEAD, CLASS II, CADMIUM
END ITEM IDENTIFICATIONAIRCRAFT, THUNDERBOLT II, A-10
MATERIALSTEEL CORROSION RESISTING
OTHER ITEMS IN FSC 5340 — Hardware, Commercial
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5340-00-000-0068 5340-00-000-0132 5340-00-000-8150 5340-00-001-1251 5340-00-001-1264 5340-00-001-1265 5340-00-001-1266 5340-00-001-1275
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 FTR-5-0-2-.540-SC?
FTR-5-0-2-.540-SC is a RETAINER,ASSEMBLED NUT.
What is the NSN for FTR-5-0-2-.540-SC?
FTR-5-0-2-.540-SC is cataloged in the U.S. Government catalog under NSN 5340-01-568-5722. 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.