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Technical Data Sheet
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P121-200 — GASKET

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

P121-200: GASKET.

The GASKET is a the manufacturer industrial component. Key specifications include material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR AND CORK OVERALL, hole_diameter: 0.156 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN, overall_width: 1.375 INCHES NOMINAL IN, overall_length: 1.625 INCHES NOMINAL IN, special_features: CONTAINS GUIDE HOLE 0.250 IN. DIA IN, style_designator: NON-CIRCULAR.

This part is cataloged in the U.S. Government catalog under NSN 5330-00-741-2721, 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
P121-200
NSN: 5330-00-741-2721
FSC: 5330 — Packing and Gasket Materials
CAGE: 71500 — ACF INDUSTRIES INC CARTER CARBURETOR DIV
SPECIFICATIONS
materialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR AND CORK OVERALL
hole_diameter0.156 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
overall_width1.375 INCHES NOMINAL IN
overall_length1.625 INCHES NOMINAL IN
special_featuresCONTAINS GUIDE HOLE 0.250 IN. DIA IN
style_designatorNON-CIRCULAR
aperture_diameter0.750 INCHES NOMINAL IN
bolt_hole_quantity4
outside_corner_radius0.219 INCHES NOMINAL IN
cross-sectional_thickness0.047 INCHES NOMINAL IN
cross-sectional_shape_styleSOLID SINGLE OR COMPOSITION
material_document_and_classificationMIL-G-12803,+2246A MIL SPEC ALL MATERIAL RESPONSES OVERALL A
NSN5330-00-741-2721
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: P121-200 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 THICKNESS: 0.047 INCHES NOMINAL IN
•
STYLE DESIGNATOR: NON-CIRCULAR
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-G-12803,+2246A MIL SPEC ALL MATERIAL RESPONSES OVERALL A
•
CROSS-SECTIONAL SHAPE STYLE: SOLID SINGLE OR COMPOSITION
•
APERTURE DIAMETER: 0.750 INCHES NOMINAL IN
•
BOLT HOLE QUANTITY: 4
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL THICKNESS0.047 INCHES NOMINAL IN
STYLE DESIGNATORNON-CIRCULAR
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-G-12803,+2246A MIL SPEC ALL MATERIAL RESPONSES OVERALL A
OVERALL LENGTH1.625 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLESOLID SINGLE OR COMPOSITION
OVERALL WIDTH1.375 INCHES NOMINAL IN
APERTURE DIAMETER0.750 INCHES NOMINAL IN
BOLT HOLE QUANTITY4
CENTER TO CENTER DISTANCE BETWEEN BOLT HOLES ALONG LENGTH1.188 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
SPECIAL FEATURESCONTAINS GUIDE HOLE 0.250 IN. DIA IN
SUBSTITUTES & CROSS-REFERENCES 2
2286181Reference document
Same NSN cross-reference
Reference document — Secondary reference
5330007412721Reference document
Same NSN cross-reference
Reference document — Informative reference only
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Terminal item — stock exhausted; no further procurementNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is P121-200?
P121-200 is a GASKET.
What parts can replace P121-200?
There are 2 known substitutes for P121-200: 2286181, 5330007412721. Substitute compatibility should be verified for your specific system.
What is the NSN for P121-200?
P121-200 is cataloged in the U.S. Government catalog under NSN 5330-00-741-2721. This indicates validated use in U.S. government and defense supply chains.
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