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8-1137-7-12 — PACKING,PREFORMED

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

8-1137-7-12: PACKING,PREFORMED.

The PACKING,PREFORMED is a the manufacturer industrial component. Key specifications include rim_surface_width: 0.313 INCHES NOMINAL IN, peripheral_diameter: 0.750 INCHES NOMINAL IN, center_hole_diameter: 0.438 INCHES NOMINAL IN, cross-sectional_height: 0.625 INCHES NOMINAL IN, cross-sectional_shape_style: SPECIAL. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-973-8729, 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
8-1137-7-12
NSN: 5330-00-973-8729
FSC: 5330 — Packing and Gasket Materials
CAGE: 09990 — PARKER-HANNIFIN CORPORATION DBA PNEUTRONICS DIV HYDRAULIC VALVE DIVISION (USA)
SPECIFICATIONS
rim_surface_width0.313 INCHES NOMINAL IN
peripheral_diameter0.750 INCHES NOMINAL IN
center_hole_diameter0.438 INCHES NOMINAL IN
cross-sectional_height0.625 INCHES NOMINAL IN
cross-sectional_shape_styleSPECIAL
NSN5330-00-973-8729
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 8-1137-7-12 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: 0.625 INCHES NOMINAL IN
•
RIM SURFACE WIDTH: 0.313 INCHES NOMINAL IN
•
CROSS-SECTIONAL SHAPE STYLE: SPECIAL
•
PERIPHERAL DIAMETER: 0.750 INCHES NOMINAL IN
•
CENTER HOLE DIAMETER: 0.438 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL HEIGHT0.625 INCHES NOMINAL IN
RIM SURFACE WIDTH0.313 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLESPECIAL
PERIPHERAL DIAMETER0.750 INCHES NOMINAL IN
CENTER HOLE DIAMETER0.438 INCHES NOMINAL IN
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

No substitute or cross-reference records for this part.

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 8-1137-7-12?
8-1137-7-12 is a PACKING,PREFORMED.
What is the NSN for 8-1137-7-12?
8-1137-7-12 is cataloged in the U.S. Government catalog under NSN 5330-00-973-8729. 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.