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Technical Data Sheet

SM708629/1AX — SEAL,PLAIN ENCASED

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

SM708629/1AX: SEAL,PLAIN ENCASED.

The SEAL,PLAIN ENCASED is a the manufacturer industrial component. Key specifications include case_style: FLANGED, seal_width: 20.0 MILLIMETERS NOMINAL MM, housing_bore_diameter: 180.0 MILLIMETERS NOMINAL MM, accommodated_shaft_diameter: 160.0 MILLIMETERS NOMINAL MM. This part is cataloged in the U.S.

Government catalog under NSN 5330-01-424-8835, 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
SM708629/1AX
NSN: 5330-01-424-8835
FSC: 5330 — Packing and Gasket Materials
CAGE: 1DS92 — DOWTY INDUSTRIAL CORP RAILWAY AND MARINE DIV (USA)
SPECIFICATIONS
case_styleFLANGED
seal_width20.0 MILLIMETERS NOMINAL MM
housing_bore_diameter180.0 MILLIMETERS NOMINAL MM
accommodated_shaft_diameter160.0 MILLIMETERS NOMINAL MM
NSN5330-01-424-8835
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: SM708629/1AX 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
•
SEAL WIDTH: 20.0 MILLIMETERS NOMINAL MM
•
HOUSING BORE DIAMETER: 180.0 MILLIMETERS NOMINAL MM
•
CASE STYLE: FLANGED
•
ACCOMMODATED SHAFT DIAMETER: 160.0 MILLIMETERS NOMINAL MM
TECHNICAL CHARACTERISTICS
SEAL WIDTH20.0 MILLIMETERS NOMINAL MM
HOUSING BORE DIAMETER180.0 MILLIMETERS NOMINAL MM
CASE STYLEFLANGED
ACCOMMODATED SHAFT DIAMETER160.0 MILLIMETERS NOMINAL MM
OTHER ITEMS IN FSC 5330 — Packing and Gasket Materials
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5330-00-000-0085 5330-00-000-0167 5330-00-000-5275 5330-00-001-1260 5330-00-001-1833 5330-00-001-1844 5330-00-001-1845 5330-00-001-1846
SUBSTITUTES & CROSS-REFERENCES 2
21-10612 IT 11Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
RCK001600-N8C0Same 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 SM708629/1AX?
SM708629/1AX is a SEAL,PLAIN ENCASED.
What parts can replace SM708629/1AX?
There are 2 known substitutes for SM708629/1AX: 21-10612 IT 11, RCK001600-N8C0. Substitute compatibility should be verified for your specific system.
What is the NSN for SM708629/1AX?
SM708629/1AX is cataloged in the U.S. Government catalog under NSN 5330-01-424-8835. 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.