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Technical Data Sheet
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1551-L — HANDLE,DOOR

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

1551-L: HANDLE,DOOR.

The HANDLE,DOOR is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY OVERALL, plate_length: 0.375 INCHES NOMINAL IN, style_designator: FOLDING, features_provided: ESCUTCHEON PLATE FIXED. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-277-7391, 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
1551-L
NSN: 5340-01-277-7391
FSC: 5340 — Hardware, Commercial
CAGE: 19175 — STEFANOWICZ & LUTZ INC DBA MERIT METAL PRODUCTS CORP (USA)
SPECIFICATIONS
materialCOPPER ALLOY OVERALL
plate_length0.375 INCHES NOMINAL IN
style_designatorFOLDING
features_providedESCUTCHEON PLATE FIXED
NSN5340-01-277-7391
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 1551-L 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
•
PLATE LENGTH: 0.375 INCHES NOMINAL IN
•
STYLE DESIGNATOR: FOLDING
•
FEATURES PROVIDED: ESCUTCHEON PLATE FIXED
•
MATERIAL: COPPER ALLOY OVERALL
TECHNICAL CHARACTERISTICS
PLATE LENGTH0.375 INCHES NOMINAL IN
STYLE DESIGNATORFOLDING
FEATURES PROVIDEDESCUTCHEON PLATE FIXED
MATERIALCOPPER ALLOY OVERALL
SUBSTITUTES & CROSS-REFERENCES 1
1551Reference document
Same NSN cross-reference
Reference document — Secondary reference
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 1551-L?
1551-L is a HANDLE,DOOR.
What parts can replace 1551-L?
There is 1 known substitute for 1551-L: 1551. Substitute compatibility should be verified for your specific system.
What is the NSN for 1551-L?
1551-L is cataloged in the U.S. Government catalog under NSN 5340-01-277-7391. This indicates validated use in U.S. government and defense supply chains.
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