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Technical Data Sheet
PartsTable / COMPONENT / SM-B-157156
SM-B-157156 ✓ 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 HOLDER,SPRING is a the manufacturer industrial component. Key specifications include material: STEEL, fsc_application_data: TELETYPE AND FACSIMILE EQUIPMENT, attachment_to_item_supported_method: HOLDS ITEM BY CIRCULAR GROOVE, supporting_object/surface_attachment_method: THREADED SHANK. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-219-7016, 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-B-157156
NSN: 5340-00-219-7016
FSC: 5340
CAGE: 80063 — US ARMY COMMUNICATIONS & ELECTRONICS MATERIEL READINESS COMMAND LOGISTICS ENGINEERING DIR (USA)
SPECIFICATIONS
materialSTEEL
fsc_application_dataTELETYPE AND FACSIMILE EQUIPMENT
attachment_to_item_supported_methodHOLDS ITEM BY CIRCULAR GROOVE
supporting_object/surface_attachment_methodTHREADED SHANK
NSN5340-00-219-7016
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: SM-B-157156 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: STEEL
•
FSC APPLICATION DATA: TELETYPE AND FACSIMILE EQUIPMENT
•
SUPPORTING OBJECT/SURFACE ATTACHMENT METHOD: THREADED SHANK
•
ATTACHMENT TO ITEM SUPPORTED METHOD: HOLDS ITEM BY CIRCULAR GROOVE
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALSTEEL
FSC APPLICATION DATATELETYPE AND FACSIMILE EQUIPMENT
SUPPORTING OBJECT/SURFACE ATTACHMENT METHODTHREADED SHANK
ATTACHMENT TO ITEM SUPPORTED METHODHOLDS ITEM BY CIRCULAR GROOVE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
1034.7Interchangeable
interchangeable cross-reference
interchangeable
1034-7Interchangeable
interchangeable cross-reference
interchangeable
384591-00Interchangeable
interchangeable cross-reference
interchangeable
SK-184591Interchangeable
interchangeable cross-reference
interchangeable
103047Interchangeable
interchangeable cross-reference
interchangeable
10347DInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is SM-B-157156?
SM-B-157156 is a HOLDER,SPRING.
What parts can replace SM-B-157156?
There are 12 known substitutes for SM-B-157156: 1034.7, 1034-7, 384591-00 and 9 more. Substitute compatibility should be verified for your specific system.
What is the NSN for SM-B-157156?
SM-B-157156 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-219-7016. 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