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Technical Data Sheet
PartsTable / COMPONENT / 77C953830P1
77C953830P1 ✓ Verified by PartsTable
— · ORING SEAL
WHAT YOU NEED TO KNOW
Material determines chemical compatibility Standard durometer is 70 Shore A
Wrong material = catastrophic seal failure
PRODUCT OVERVIEW

The STAY,LOCKING is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY 2024 OR ALUMINUM ALLOY 6061 AND STEEL CORROSION RESISTING. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-01-443-3716, 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
77C953830P1
NSN: 5340-01-443-3716
FSC: 5340
CAGE: 03538 — LOCKHEED MARTIN CORPORATION DIV RMS (USA)
SPECIFICATIONS
materialALUMINUM ALLOY 2024 OR ALUMINUM ALLOY 6061 AND STEEL CORROSION RESISTING
material_document_and_classificationWW-T-700/3 T3 FED SPEC 1ST MATERIAL RESPONSE OR WW-T-700/6 T6 FED SPEC 2ND MATERIAL RESPONSE AND QQ-S-763 FED SPEC 3RD MATERIAL RESPONSE OR ASTM A582 ASSN STD 3RD MATERIAL RESPONSE
NSN5340-01-443-3716
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 77C953830P1 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
•
MATERIAL: ALUMINUM ALLOY 2024 OR ALUMINUM ALLOY 6061 AND STEEL CORROSION RESISTING
•
MATERIAL DOCUMENT AND CLASSIFICATION: WW-T-700/3 T3 FED SPEC 1ST MATERIAL RESPONSE OR WW-T-700/6 T6 FED SPEC 2ND MATERIAL RESPONSE AND QQ-S-763 FED SPEC 3RD MATERIAL RESPONSE OR ASTM A582 ASSN STD 3RD MATERIAL RESPONSE
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALALUMINUM ALLOY 2024 OR ALUMINUM ALLOY 6061 AND STEEL CORROSION RESISTING
MATERIAL DOCUMENT AND CLASSIFICATIONWW-T-700/3 T3 FED SPEC 1ST MATERIAL RESPONSE OR WW-T-700/6 T6 FED SPEC 2ND MATERIAL RESPONSE AND QQ-S-763 FED SPEC 3RD MATERIAL RESPONSE OR ASTM A582 ASSN STD 3RD MATERIAL RESPONSE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 2
ST-1701Interchangeable
interchangeable cross-reference
interchangeable
MD2905Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 77C953830P1?
77C953830P1 is a STAY,LOCKING.
What parts can replace 77C953830P1?
There are 2 known substitutes for 77C953830P1: ST-1701, MD2905. Substitute compatibility should be verified for your specific system.
What is the NSN for 77C953830P1?
77C953830P1 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-01-443-3716. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026