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ST5M1427-20 — GASKET

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

ST5M1427-20: GASKET.

The GASKET is a the manufacturer industrial component. Key specifications include material: RUBBER CHLOROPRENE CLASS CR AND PLASTIC POLYAMIDE NYLON OVERALL, hole_diameter: 0.112 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN, overall_width: 1.560 INCHES NOMINAL IN, overall_length: 1.560 INCHES NOMINAL IN, style_designator: NON-CIRCULAR, aperture_diameter: 1.297 INCHES MINIMUM AND 1.307 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5330-01-007-1638, 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
ST5M1427-20
NSN: 5330-01-007-1638
FSC: 5330 — Packing and Gasket Materials
CAGE: 76301 — THE BOEING COMPANY DIV DEFENSE (USA)
SPECIFICATIONS
materialRUBBER CHLOROPRENE CLASS CR AND PLASTIC POLYAMIDE NYLON OVERALL
hole_diameter0.112 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
overall_width1.560 INCHES NOMINAL IN
overall_length1.560 INCHES NOMINAL IN
style_designatorNON-CIRCULAR
aperture_diameter1.297 INCHES MINIMUM AND 1.307 INCHES MAXIMUM IN
bolt_hole_quantity4
outside_corner_radius0.202 INCHES NOMINAL IN
cross-sectional_thickness0.050 INCHES NOMINAL IN
cross-sectional_shape_styleSOLID SINGLE OR COMPOSITION
material_document_and_classificationAMS 3273 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
outside_edge_to_bolt_hole_center_distance_along_width0.202 INCHES NOMINAL IN
NSN5330-01-007-1638
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: ST5M1427-20 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: 0.050 INCHES NOMINAL IN
•
STYLE DESIGNATOR: NON-CIRCULAR
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS 3273 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
CROSS-SECTIONAL SHAPE STYLE: SOLID SINGLE OR COMPOSITION
•
APERTURE DIAMETER: 1.297 INCHES MINIMUM AND 1.307 INCHES MAXIMUM IN
•
BOLT HOLE QUANTITY: 4
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL THICKNESS0.050 INCHES NOMINAL IN
STYLE DESIGNATORNON-CIRCULAR
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 3273 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
OVERALL LENGTH1.560 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLESOLID SINGLE OR COMPOSITION
OVERALL WIDTH1.560 INCHES NOMINAL IN
APERTURE DIAMETER1.297 INCHES MINIMUM AND 1.307 INCHES MAXIMUM IN
BOLT HOLE QUANTITY4
CENTER TO CENTER DISTANCE BETWEEN BOLT HOLES ALONG LENGTH1.156 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
CENTER TO CENTER DISTANCE BETWEEN BOLT HOLES ALONG WIDTH1.156 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED 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: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is ST5M1427-20?
ST5M1427-20 is a GASKET.
What is the NSN for ST5M1427-20?
ST5M1427-20 is cataloged in the U.S. Government catalog under NSN 5330-01-007-1638. 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.