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A3476 — PACKING,PREFORMED

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

A3476: PACKING,PREFORMED.

The PACKING,PREFORMED is a the manufacturer industrial component. Key specifications include material: GLASS JACKET, peripheral_diameter: 1.750 INCHES NOMINAL IN, center_hole_diameter: 1.375 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-599-9547, 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
A3476
NSN: 5330-00-599-9547
NIINs: 005999547, 012071326
FSC: 5330 — Packing and Gasket Materials
CAGE: D9182 — ZF INDUSTRIEANTRIEBE WITTEN GMBH (DEU)
SPECIFICATIONS
materialGLASS JACKET
peripheral_diameter1.750 INCHES NOMINAL IN
center_hole_diameter1.375 INCHES NOMINAL IN
NSN5330-00-599-9547
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: A3476 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: 0.312 INCHES NOMINAL IN
•
CROSS-SECTIONAL WIDTH: 0.312 INCHES NOMINAL IN
•
CROSS-SECTIONAL SHAPE STYLE: SQUARE
•
NONDEFINITIVE SPEC/STD DATA: E TYPE AND 2 CLASS
•
MATERIAL: ASBESTOS AND IRON ALLOY
•
FABRICATION METHOD: BRAIDED AND SOLID
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL HEIGHT0.312 INCHES NOMINAL IN
CROSS-SECTIONAL WIDTH0.312 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLESQUARE
NONDEFINITIVE SPEC/STD DATAE TYPE AND 2 CLASS
MATERIALASBESTOS AND IRON ALLOY
FABRICATION METHODBRAIDED AND SOLID
SUBSTITUTES & CROSS-REFERENCES 9
9077-002-087Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
C1-1DReference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
MC-022-F ITEM 2Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
7515-232-1Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
2111-5A PIECE 1Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
N10656-23Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
LIFECYCLE
NSN statusActive· U.S. Government catalog
HAZMAT per U.S. Government catalogNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is A3476?
A3476 is a PACKING,PREFORMED.
What parts can replace A3476?
There are 9 known substitutes for A3476: 9077-002-087, C1-1D, MC-022-F ITEM 2 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for A3476?
A3476 is cataloged in the U.S. Government catalog under NSN 5330-00-599-9547. 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.