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11581540 — LEVER,MANUAL CONTROL

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

11581540: LEVER,MANUAL CONTROL.

The LEVER,MANUAL CONTROL is a the manufacturer industrial component. Key specifications include material: STEEL, overall_width: 0.960 INCHES NOMINAL IN, overall_length: 1.600 INCHES NOMINAL IN, mounting_method: DRILLED HOLE, end_item_identification: LW155 HOWITZER, part_name_assigned_by_controlling_agency: LEVER RELEASE. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-525-6294, 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
11581540
NSN: 5340-01-525-6294
FSC: 5340 — Hardware, Commercial
CAGE: 1NUW7 — US ARMY BENET LABORATORIES RDAR-WSB-O (USA)
SPECIFICATIONS
materialSTEEL
overall_width0.960 INCHES NOMINAL IN
overall_length1.600 INCHES NOMINAL IN
mounting_methodDRILLED HOLE
end_item_identificationLW155 HOWITZER
part_name_assigned_by_controlling_agencyLEVER RELEASE
NSN5340-01-525-6294
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 11581540 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
•
MOUNTING METHOD: DRILLED HOLE
•
MATERIAL: STEEL
TECHNICAL CHARACTERISTICS
MOUNTING METHODDRILLED HOLE
OVERALL LENGTH1.600 INCHES NOMINAL IN
OVERALL WIDTH0.960 INCHES NOMINAL IN
PART NAME ASSIGNED BY CONTROLLING AGENCYLEVER RELEASE
END ITEM IDENTIFICATIONLW155 HOWITZER
MATERIALSTEEL
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 2
E1211143Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
777.21.049Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Demilitarization required — mutilation
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FREQUENTLY ASKED QUESTIONS
What is 11581540?
11581540 is a LEVER,MANUAL CONTROL.
What parts can replace 11581540?
There are 2 known substitutes for 11581540: E1211143, 777.21.049. Substitute compatibility should be verified for your specific system.
What is the NSN for 11581540?
11581540 is cataloged in the U.S. Government catalog under NSN 5340-01-525-6294. 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.