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ST1000-043 — O-RING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

ST1000-043: O-RING.

The O-RING is a the manufacturer industrial component. Key specifications include material: RUBBER FLUOROCARBON CLASS FPM, center_hole_diameter: 3.474 INCHES MINIMUM AND 3.504 INCHES MAXIMUM IN, cross-sectional_height: 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5331-01-008-6820, 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
ST1000-043
NSN: 5331-01-008-6820
NIINs: 010086820, 014648553
FSC: 5331 — O-ring
CAGE: 24664 — JONAL LABORATORIES INC (USA)
SPECIFICATIONS
materialRUBBER FLUOROCARBON CLASS FPM
center_hole_diameter3.474 INCHES MINIMUM AND 3.504 INCHES MAXIMUM IN
cross-sectional_height0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
NSN5331-01-008-6820
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: ST1000-043 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
•
CROSS-SECTIONAL HEIGHT: 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
•
CENTER HOLE DIAMETER: 3.474 INCHES MINIMUM AND 3.504 INCHES MAXIMUM IN
•
MATERIAL: RUBBER FLUOROCARBON CLASS FPM
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL HEIGHT0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
CENTER HOLE DIAMETER3.474 INCHES MINIMUM AND 3.504 INCHES MAXIMUM IN
MATERIALRUBBER FLUOROCARBON CLASS FPM
SUBSTITUTES & CROSS-REFERENCES 1
AS568A-043 AMS7208Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Terminal item — no further procurement; issued until stock is exhaustedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is ST1000-043?
ST1000-043 is a O-RING.
What parts can replace ST1000-043?
There is 1 known substitute for ST1000-043: AS568A-043 AMS7208. Substitute compatibility should be verified for your specific system.
What is the NSN for ST1000-043?
ST1000-043 is cataloged in the U.S. Government catalog under NSN 5331-01-008-6820. 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.