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A12034B5 ITEM-2 — O-RING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

A12034B5 ITEM-2: O-RING.

The O-RING is a the manufacturer industrial component. Key specifications include material: RUBBER FLUOROCARBON CLASS FPM, center_hole_diameter: 1.000 INCHES NOMINAL IN, cross-sectional_height: 0.055 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5331-01-440-7267, 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
A12034B5 ITEM-2
NSN: 5331-01-440-7267
FSC: 5331 — O-ring
CAGE: 64646 — IAN-CONRAD BERGAN, LLC (USA)
SPECIFICATIONS
materialRUBBER FLUOROCARBON CLASS FPM
center_hole_diameter1.000 INCHES NOMINAL IN
cross-sectional_height0.055 INCHES NOMINAL IN
NSN5331-01-440-7267
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: A12034B5 ITEM-2 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: 0.055 INCHES NOMINAL IN
•
CENTER HOLE DIAMETER: 1.000 INCHES NOMINAL IN
•
MATERIAL: RUBBER FLUOROCARBON CLASS FPM
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL HEIGHT0.055 INCHES NOMINAL IN
CENTER HOLE DIAMETER1.000 INCHES NOMINAL IN
MATERIALRUBBER FLUOROCARBON CLASS FPM
OTHER ITEMS IN FSC 5331 — O-ring
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5331-00-001-1971 5331-00-001-1979 5331-00-001-3904 5331-00-001-3905 5331-00-001-3906 5331-00-001-3908 5331-00-001-3923 5331-00-001-3924
SUBSTITUTES & CROSS-REFERENCES 1
M21066ASame NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 A12034B5 ITEM-2?
A12034B5 ITEM-2 is a O-RING.
What parts can replace A12034B5 ITEM-2?
There is 1 known substitute for A12034B5 ITEM-2: M21066A. Substitute compatibility should be verified for your specific system.
What is the NSN for A12034B5 ITEM-2?
A12034B5 ITEM-2 is cataloged in the U.S. Government catalog under NSN 5331-01-440-7267. 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.