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12328720-1 — SEAL,NONMETALLIC SPECIAL SHAPED

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

12328720-1: SEAL,NONMETALLIC SPECIAL SHAPED.

SEAL,NONMETALLIC SPECIAL SHAPED. Key specifications include material: RUBBER OVERALL, construction: SOLIDSOLID, style_designator: CIRCULAR, aperture_diameter: 44.740 INCHES NOMINAL44.740 INCHES NOMINAL IN, cross-sectional_width: 0.750 INCHES NOMINAL0.750 INCHES NOMINAL IN, cross-sectional_height: 0.625 INCHES NOMINAL0.625 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5330-01-172-7928, 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
12328720-1
NSN: 5330-01-172-7928
FSC: 5330 — Packing and Gasket Materials
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)
SPECIFICATIONS
materialRUBBER OVERALL
constructionSOLIDSOLID
style_designatorCIRCULAR
aperture_diameter44.740 INCHES NOMINAL44.740 INCHES NOMINAL IN
cross-sectional_width0.750 INCHES NOMINAL0.750 INCHES NOMINAL IN
cross-sectional_height0.625 INCHES NOMINAL0.625 INCHES NOMINAL IN
cross-sectional_shape_styleD SHAPED SHAPE
material_document_and_classificationZZ-R-765 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN5330-01-172-7928
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 12328720-1 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 NOMINAL0.625 INCHES NOMINAL IN
•
CROSS-SECTIONAL WIDTH: 0.750 INCHES NOMINAL0.750 INCHES NOMINAL IN
•
STYLE DESIGNATOR: CIRCULAR
•
MATERIAL DOCUMENT AND CLASSIFICATION: ZZ-R-765 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
CROSS-SECTIONAL SHAPE STYLE: D SHAPED SHAPE
•
APERTURE DIAMETER: 44.740 INCHES NOMINAL44.740 INCHES NOMINAL IN
•
MATERIAL: RUBBER OVERALL
•
CONSTRUCTION: SOLIDSOLID
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL HEIGHT0.625 INCHES NOMINAL0.625 INCHES NOMINAL IN
CROSS-SECTIONAL WIDTH0.750 INCHES NOMINAL0.750 INCHES NOMINAL IN
STYLE DESIGNATORCIRCULAR
MATERIAL DOCUMENT AND CLASSIFICATIONZZ-R-765 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
CROSS-SECTIONAL SHAPE STYLED SHAPED SHAPE
APERTURE DIAMETER44.740 INCHES NOMINAL44.740 INCHES NOMINAL IN
MATERIALRUBBER OVERALL
CONSTRUCTIONSOLIDSOLID
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: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 12328720-1?
12328720-1 is a SEAL,NONMETALLIC SPECIAL SHAPED.
What is the NSN for 12328720-1?
12328720-1 is cataloged in the U.S. Government catalog under NSN 5330-01-172-7928. This indicates validated use in U.S. government and defense supply chains.
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