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Technical Data Sheet
SM-D-157677 ✓ 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 COVER,ACCESS is a the manufacturer industrial component. Key specifications include special_features: TELETYPE AND FACSIMILE EQUIPMENT. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-790-3261, 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
SM-D-157677
NSN: 5340-00-790-3261
FSC: 5340
CAGE: 80063 — US ARMY COMMUNICATIONS & ELECTRONICS MATERIEL READINESS COMMAND LOGISTICS ENGINEERING DIR (USA)
SPECIFICATIONS
special_featuresTELETYPE AND FACSIMILE EQUIPMENT
NSN5340-00-790-3261
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: SM-D-157677 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
TECHNICAL CHARACTERISTICS (FLIS)
SPECIAL FEATURESTELETYPE AND FACSIMILE EQUIPMENT
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
2100Upgraded Successor
successor cross-reference
successor
11760Upgraded Successor
successor cross-reference
successor
6515NCM093393Upgraded Successor
successor cross-reference
successor
03.305.008Upgraded Successor
successor cross-reference
successor
53794Interchangeable
interchangeable cross-reference
interchangeable
00044Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is SM-D-157677?
SM-D-157677 is a COVER,ACCESS.
What parts can replace SM-D-157677?
There are 14 known substitutes for SM-D-157677: 2100, 11760, 6515NCM093393 and 11 more. Substitute compatibility should be verified for your specific system.
What is the NSN for SM-D-157677?
SM-D-157677 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-790-3261. This indicates validated use in U.S. government and defense supply chains.
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