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3689838 — SEAL RING,METAL

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

3689838: SEAL RING,METAL.

The SEAL RING,METAL is a the manufacturer industrial component. Key specifications include material: IRON OVERALL, ring_style: CONTRACTING CONCENTRIC, joint_style: INTERLOCKING JOINT, overall_width: 0.0920 INCHES MINIMUM AND 0.0930 INCHES MAXIMUM IN, radial_wall_thickness: 0.0400 INCHES MINIMUM AND 0.0500 INCHES MAXIMUM IN, cross-sectional_shape_style: PLAIN RECTANGULAR, STRAIGHT FACE. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-707-4932, 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
3689838
NSN: 5330-00-707-4932
FSC: 5330 — Packing and Gasket Materials
CAGE: 73342 — ALLISON TRANSMISSION INC DBA ALLISON TRANSMISSION, INC (USA)
SPECIFICATIONS
materialIRON OVERALL
ring_styleCONTRACTING CONCENTRIC
joint_styleINTERLOCKING JOINT
overall_width0.0920 INCHES MINIMUM AND 0.0930 INCHES MAXIMUM IN
radial_wall_thickness0.0400 INCHES MINIMUM AND 0.0500 INCHES MAXIMUM IN
cross-sectional_shape_stylePLAIN RECTANGULAR, STRAIGHT FACE
NSN5330-00-707-4932
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 3689838 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 SHAPE STYLE: PLAIN RECTANGULAR, STRAIGHT FACE
•
JOINT STYLE: INTERLOCKING JOINT
•
RADIAL WALL THICKNESS: 0.0400 INCHES MINIMUM AND 0.0500 INCHES MAXIMUM IN
•
RING STYLE: CONTRACTING CONCENTRIC
•
MATERIAL: IRON OVERALL
TECHNICAL CHARACTERISTICS
OVERALL WIDTH0.0920 INCHES MINIMUM AND 0.0930 INCHES MAXIMUM IN
CROSS-SECTIONAL SHAPE STYLEPLAIN RECTANGULAR, STRAIGHT FACE
JOINT STYLEINTERLOCKING JOINT
RADIAL WALL THICKNESS0.0400 INCHES MINIMUM AND 0.0500 INCHES MAXIMUM IN
RING STYLECONTRACTING CONCENTRIC
MATERIALIRON OVERALL
SUBSTITUTES & CROSS-REFERENCES 2
6770432Reference document
Same NSN cross-reference
Reference document — Secondary reference
D79010Reference document
Same NSN cross-reference
Reference document — Secondary 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 3689838?
3689838 is a SEAL RING,METAL.
What parts can replace 3689838?
There are 2 known substitutes for 3689838: 6770432, D79010. Substitute compatibility should be verified for your specific system.
What is the NSN for 3689838?
3689838 is cataloged in the U.S. Government catalog under NSN 5330-00-707-4932. 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.