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SB1211-4Y — PLUG,PROTECTIVE,DUST AND MOISTUR

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

SB1211-4Y: PLUG,PROTECTIVE,DUST AND MOISTUR.

PLUG,PROTECTIVE,DUST AND MOISTUR. Key specifications include material: PLASTIC, drive_type: SCREW SLOT, design_type: THREADED, thread_class: 3A A, overall_diameter: 0.625 INCHES NOMINAL IN, features_provided: SHOULDER. This part is cataloged in the U.S.

Government catalog under NSN 5340-00-800-7988, 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
SB1211-4Y
NSN: 5340-00-800-7988
FSC: 5340 — Hardware, Commercial
CAGE: 10639 — AVIONICS SPECIALTIES, INC. (USA)
SPECIFICATIONS
materialPLASTIC
drive_typeSCREW SLOT
design_typeTHREADED
thread_class3A A
overall_diameter0.625 INCHES NOMINAL IN
features_providedSHOULDER
thread_size_and_series/type_designator3/8-24 UNF
NSN5340-00-800-7988
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: SB1211-4Y 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
•
DESIGN TYPE: THREADED
•
OVERALL DIAMETER: 0.625 INCHES NOMINAL IN
•
DRIVE TYPE: SCREW SLOT
•
FEATURES PROVIDED: SHOULDER
•
THREAD CLASS: 3A A
•
MATERIAL: PLASTIC
•
THREAD SIZE AND SERIES/TYPE DESIGNATOR: 3/8-24 UNF
TECHNICAL CHARACTERISTICS
DESIGN TYPETHREADED
OVERALL DIAMETER0.625 INCHES NOMINAL IN
DRIVE TYPESCREW SLOT
FEATURES PROVIDEDSHOULDER
THREAD CLASS3A A
MATERIALPLASTIC
THREAD SIZE AND SERIES/TYPE DESIGNATOR3/8-24 UNF
OTHER ITEMS IN FSC 5340 — Hardware, Commercial
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5340-00-000-0068 5340-00-000-0132 5340-00-000-8150 5340-00-001-1251 5340-00-001-1264 5340-00-001-1265 5340-00-001-1266 5340-00-001-1275
SUBSTITUTES & CROSS-REFERENCES 4
1604-70YReference document
Same NSN cross-reference
Reference document — Secondary reference
69969-70Reference document
Same NSN cross-reference
Reference document — Secondary reference
MP-70 YELLOWReference document
Same NSN cross-reference
Reference document — Secondary reference
5340PL1879056Reference document
Same NSN cross-reference
Reference document — Informative reference only
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is SB1211-4Y?
SB1211-4Y is a PLUG,PROTECTIVE,DUST AND MOISTUR.
What parts can replace SB1211-4Y?
There are 4 known substitutes for SB1211-4Y: 1604-70Y, 69969-70, MP-70 YELLOW and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for SB1211-4Y?
SB1211-4Y is cataloged in the U.S. Government catalog under NSN 5340-00-800-7988. This indicates validated use in U.S. government and defense supply chains.
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