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SJ3 — SEAT,HELICAL COMPRESSION SPRING

✓ Government record, cited
LG · ORING SEAL
PRODUCT OVERVIEW

SJ3: SEAT,HELICAL COMPRESSION SPRING.

Place your Bass Wirelessly Free your living room from wires. LG’s active wireless subwoofer allows you to enjoy superb sound quality without compromising on design. Adaptive Audio for what you Watch Intelligently adaptive audio.

LG's unique audio enhancing technology analyses frequency levels as you listen to provide an optimum sound mix based on what you are watching. This advanced process ensures your audio instantly adapts to provide crystal clear dialogue or punchy powerful action whatever you choose to watch. Optimised Audio Automatically adjusted audio accuracy.

LG Auto Sound Engine optimizes the audio at every volume level keeping the frequencies accurate in the right places. This delivers the correct sound balance no matter what volume your entertainment is playing at. Picture Perfect Audio Partner Picture perfect audio partner.

Matching 43 inch LG TVs this soundbar mirrors the size and design of your This part is cataloged in the U.S. Government catalog under NSN 5340-00-398-9497, indicating validated use in U.S. government and defense logistics supply chains.

WHERE IT FITS
SJ3
NSN: 5340-00-398-9497
FSC: 5340 — Hardware, Commercial
CAGE: 63857 — CIRCOR NAVAL SOLUTIONS LLC DBA WARREN PUMPS (USA)
SPECIFICATIONS
materialCOPPER ALLOY 923 OR COPPER ALLOY 903
design_typeSOLID
end_diameter1.3750 INCHES NOMINAL IN
bore_diameter0.6880 INCHES NOMINAL IN
overall_height0.9380 INCHES NOMINAL IN
style_designatorSEAT
first_step_diameter2.3750 INCHES NOMINAL IN
countersink_diameter0.1880 INCHES NOMINAL IN
distance_from_end_to_first_step0.5000 INCHES NOMINAL IN
material_document_and_classificationMIL-B-16540,GRADE B MIL SPEC SINGLE MATERIAL RESPONSE
NSN5340-00-398-9497
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: SJ3 MFR: LG ⚠ 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
•
FIRST STEP DIAMETER: 2.3750 INCHES NOMINAL IN
•
END DIAMETER: 1.3750 INCHES NOMINAL IN
•
COUNTERSINK DIAMETER: 0.1880 INCHES NOMINAL IN
•
DISTANCE FROM END TO FIRST STEP: 0.5000 INCHES NOMINAL IN
•
DESIGN TYPE: SOLID
•
STYLE DESIGNATOR: SEAT
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-B-16540,GRADE B MIL SPEC SINGLE MATERIAL RESPONSE
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT0.9380 INCHES NOMINAL IN
FIRST STEP DIAMETER2.3750 INCHES NOMINAL IN
END DIAMETER1.3750 INCHES NOMINAL IN
COUNTERSINK DIAMETER0.1880 INCHES NOMINAL IN
DISTANCE FROM END TO FIRST STEP0.5000 INCHES NOMINAL IN
DESIGN TYPESOLID
STYLE DESIGNATORSEAT
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-B-16540,GRADE B MIL SPEC SINGLE MATERIAL RESPONSE
BORE DIAMETER0.6880 INCHES NOMINAL IN
MATERIALCOPPER ALLOY 923 OR COPPER ALLOY 903
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 2
BS1195PC191Reference document
Same NSN cross-reference
Reference document — Secondary reference
BS1194PC191Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is SJ3?
SJ3 is a SEAT,HELICAL COMPRESSION SPRING manufactured by LG.
What parts can replace SJ3?
There are 2 known substitutes for SJ3: BS1195PC191, BS1194PC191. Substitute compatibility should be verified for your specific system.
What is the NSN for SJ3?
SJ3 is cataloged in the U.S. Government catalog under NSN 5340-00-398-9497. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.