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Technical Data Sheet
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581149-1 — LEVER,SPRING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

581149-1: LEVER,SPRING.

The LEVER,SPRING is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 5340-01-095-3558, 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
581149-1
NSN: 5340-01-095-3558
FSC: 5340 — Hardware, Commercial
CAGE: 3B150 — RAYTHEON COMPANY DBA RAYTHEON CO (USA)
SPECIFICATIONS
general_characteristics_item_descriptionAL ALY 6061-T6 QQ-A-250/11; 0.3135 IN. TO 0.3140 IN. DIA ONE HOLE; 0.188 IN. TO 0.189 IN. DIA ONE HOLE; 2.562 IN. DISTANCE BETWEEN HOLES IN
NSN5340-01-095-3558
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 581149-1 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
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GENERAL CHARACTERISTICS ITEM DESCRIPTION: AL ALY 6061-T6 QQ-A-250/11; 0.3135 IN. TO 0.3140 IN. DIA ONE HOLE; 0.188 IN. TO 0.189 IN. DIA ONE HOLE; 2.562 IN. DISTANCE BETWEEN HOLES IN
TECHNICAL CHARACTERISTICS
GENERAL CHARACTERISTICS ITEM DESCRIPTIONAL ALY 6061-T6 QQ-A-250/11; 0.3135 IN. TO 0.3140 IN. DIA ONE HOLE; 0.188 IN. TO 0.189 IN. DIA ONE HOLE; 2.562 IN. DISTANCE BETWEEN HOLES IN
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 1
LY581149Reference 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 581149-1?
581149-1 is a LEVER,SPRING.
What parts can replace 581149-1?
There is 1 known substitute for 581149-1: LY581149. Substitute compatibility should be verified for your specific system.
What is the NSN for 581149-1?
581149-1 is cataloged in the U.S. Government catalog under NSN 5340-01-095-3558. This indicates validated use in U.S. government and defense supply chains.
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