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581518-2 — HOLDER,SPRING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

581518-2: HOLDER,SPRING.

The HOLDER,SPRING is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING, usage_design: FOR HOLDING TORSION SPRING P/N 581519, fsc_application_data: MAIN FUEL CONTROL,572100,TF33 AIRCRAFT ENGINE. This part is cataloged in the U.S.

Government catalog under NSN 5340-00-015-2497, 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
581518-2
NSN: 5340-00-015-2497
FSC: 5340 — Hardware, Commercial
CAGE: 73030 — HAMILTON SUNDSTRAND CORPORATION DBA COLLINS AEROSPACE (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING
usage_designFOR HOLDING TORSION SPRING P/N 581519
special_featuresOVERALL LG 1.120 IN.,BODY O/D 0.450 - 0.460 IN; RETAINING PIN HOLE DIA 0.064 - 0.072 IN; 3 EQ SPACED ADJUSTMENT HOLES 0.109 IN. DIA IN
fsc_application_dataMAIN FUEL CONTROL,572100,TF33 AIRCRAFT ENGINE
NSN5340-00-015-2497
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 581518-2 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
•
FSC APPLICATION DATA: MAIN FUEL CONTROL,572100,TF33 AIRCRAFT ENGINE
•
MATERIAL: STEEL CORROSION RESISTING
•
USAGE DESIGN: FOR HOLDING TORSION SPRING P/N 581519
TECHNICAL CHARACTERISTICS
FSC APPLICATION DATAMAIN FUEL CONTROL,572100,TF33 AIRCRAFT ENGINE
SPECIAL FEATURESOVERALL LG 1.120 IN.,BODY O/D 0.450 - 0.460 IN; RETAINING PIN HOLE DIA 0.064 - 0.072 IN; 3 EQ SPACED ADJUSTMENT HOLES 0.109 IN. DIA IN
MATERIALSTEEL CORROSION RESISTING
USAGE DESIGNFOR HOLDING TORSION SPRING P/N 581519
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 581518-2?
581518-2 is a HOLDER,SPRING.
What is the NSN for 581518-2?
581518-2 is cataloged in the U.S. Government catalog under NSN 5340-00-015-2497. 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.