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Technical Data Sheet
PartsTable / COMPONENT / SM-B-187808
SM-B-187808 ✓ 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 STANDOFF,THREADED,SPACING is a the manufacturer industrial component. Key specifications include length: 1.057 INCHES NOMINAL IN, diameter: 0.171 INCHES NOMINAL IN, material: STEEL OVERALL, style_designator: PROJECTION ONE END W/ RIGHT EXTERNAL THREAD, surface_treatment: PASSIVATE OVERALL, cross-sectional_shape: ROUND. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-652-5679, 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-187808
NSN: 5340-00-652-5679
FSC: 5340
CAGE: 80063 — US ARMY COMMUNICATIONS & ELECTRONICS MATERIEL READINESS COMMAND LOGISTICS ENGINEERING DIR (USA)
SPECIFICATIONS
length1.057 INCHES NOMINAL IN
diameter0.171 INCHES NOMINAL IN
materialSTEEL OVERALL
style_designatorPROJECTION ONE END W/ RIGHT EXTERNAL THREAD
surface_treatmentPASSIVATE OVERALL
cross-sectional_shapeROUND
NSN5340-00-652-5679
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: SM-B-187808 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 OVERALL
•
LENGTH: 1.057 INCHES NOMINAL IN
•
STYLE DESIGNATOR: PROJECTION ONE END W/ RIGHT EXTERNAL THREAD
•
DIAMETER: 0.171 INCHES NOMINAL IN
•
CROSS-SECTIONAL SHAPE: ROUND
•
SURFACE TREATMENT: PASSIVATE OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALSTEEL OVERALL
LENGTH1.057 INCHES NOMINAL IN
STYLE DESIGNATORPROJECTION ONE END W/ RIGHT EXTERNAL THREAD
DIAMETER0.171 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPEROUND
SURFACE TREATMENTPASSIVATE OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 18
6.0058Upgraded Successor
successor cross-reference
successor
60-8684Interchangeable
interchangeable cross-reference
interchangeable
8478Interchangeable
interchangeable cross-reference
interchangeable
AMS-QQ-A-200/11Interchangeable
interchangeable cross-reference
interchangeable
14602AInterchangeable
interchangeable cross-reference
interchangeable
8536Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is SM-B-187808?
SM-B-187808 is a STANDOFF,THREADED,SPACING.
What parts can replace SM-B-187808?
There are 18 known substitutes for SM-B-187808: 6.0058, 60-8684, 8478 and 15 more. Substitute compatibility should be verified for your specific system.
What is the NSN for SM-B-187808?
SM-B-187808 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-652-5679. 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