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051019-1 — LEVER,LOCK-RELEASE

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

051019-1: LEVER,LOCK-RELEASE.

The LEVER,LOCK-RELEASE is a the manufacturer industrial component. Key specifications include width: 1.422 INCHES MINIMUM AND 1.452 INCHES MAXIMUM OVERALL IN, length: 15.250 INCHES NOMINAL OVERALL IN, material: STEEL COMP 302 SPRING. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-443-4919, 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
051019-1
NSN: 5340-01-443-4919
FSC: 5340 — Hardware, Commercial
CAGE: 06481 — NORTHROP GRUMMAN SYSTEMS CORPORATION DBA NORTHROP GRUMMAN SYSTEMS CORP (USA)
SPECIFICATIONS
width1.422 INCHES MINIMUM AND 1.452 INCHES MAXIMUM OVERALL IN
length15.250 INCHES NOMINAL OVERALL IN
materialSTEEL COMP 302 SPRING
NSN5340-01-443-4919
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 051019-1 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
•
LENGTH: 15.250 INCHES NOMINAL OVERALL IN
•
WIDTH: 1.422 INCHES MINIMUM AND 1.452 INCHES MAXIMUM OVERALL IN
•
MATERIAL: STEEL COMP 302 SPRING
TECHNICAL CHARACTERISTICS
LENGTH15.250 INCHES NOMINAL OVERALL IN
WIDTH1.422 INCHES MINIMUM AND 1.452 INCHES MAXIMUM OVERALL IN
MATERIALSTEEL COMP 302 SPRING
MATERIALSTEEL COMP 302 ACTIVE CASE
MATERIALSTEEL COMP 304 ARM
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
4001040-1Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
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 051019-1?
051019-1 is a LEVER,LOCK-RELEASE.
What parts can replace 051019-1?
There is 1 known substitute for 051019-1: 4001040-1. Substitute compatibility should be verified for your specific system.
What is the NSN for 051019-1?
051019-1 is cataloged in the U.S. Government catalog under NSN 5340-01-443-4919. 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.