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RA15981 — GASKET

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

RA15981: GASKET.

The GASKET is a the manufacturer industrial component. Key specifications include hole_diameter: 0.281 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN, overall_width: 1.844 INCHES NOMINAL IN, overall_length: 2.031 INCHES NOMINAL IN, style_designator: NON-CIRCULAR, outside_corner_radius: 0.281 INCHES MINIMUM AND 0.313 INCHES MAXIMUM IN, cross-sectional_thickness: 0.015 INCHES MINIMUM AND 0.021 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-326-6792, 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
RA15981
NSN: 5330-00-326-6792
FSC: 5330 — Packing and Gasket Materials
CAGE: 51663 — HYDRO-AIRE AEROSPACE CORP. DBA LEAR ROMEC DIV LEAR ROMEC (USA)
SPECIFICATIONS
hole_diameter0.281 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
overall_width1.844 INCHES NOMINAL IN
overall_length2.031 INCHES NOMINAL IN
style_designatorNON-CIRCULAR
bolt_hole_quantity4
outside_corner_radius0.281 INCHES MINIMUM AND 0.313 INCHES MAXIMUM IN
cross-sectional_thickness0.015 INCHES MINIMUM AND 0.021 INCHES MAXIMUM IN
cross-sectional_shape_styleSOLID SINGLE OR COMPOSITION
outside_edge_to_bolt_hole_center_distance_along_width0.281 INCHES MINIMUM AND 0.313 INCHES MAXIMUM IN
outside_edge_to_bolt_hole_center_distance_along_length0.281 INCHES MINIMUM AND 0.313 INCHES MAXIMUM IN
center_to_center_distance_between_bolt_holes_along_width1.250 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
center_to_center_distance_between_bolt_holes_along_length1.438 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
NSN5330-00-326-6792
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: RA15981 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: 0.015 INCHES MINIMUM AND 0.021 INCHES MAXIMUM IN
•
STYLE DESIGNATOR: NON-CIRCULAR
•
CROSS-SECTIONAL SHAPE STYLE: SOLID SINGLE OR COMPOSITION
•
BOLT HOLE QUANTITY: 4
•
CENTER TO CENTER DISTANCE BETWEEN BOLT HOLES ALONG LENGTH: 1.438 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
•
CENTER TO CENTER DISTANCE BETWEEN BOLT HOLES ALONG WIDTH: 1.250 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL THICKNESS0.015 INCHES MINIMUM AND 0.021 INCHES MAXIMUM IN
STYLE DESIGNATORNON-CIRCULAR
OVERALL LENGTH2.031 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLESOLID SINGLE OR COMPOSITION
OVERALL WIDTH1.844 INCHES NOMINAL IN
BOLT HOLE QUANTITY4
CENTER TO CENTER DISTANCE BETWEEN BOLT HOLES ALONG LENGTH1.438 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
CENTER TO CENTER DISTANCE BETWEEN BOLT HOLES ALONG WIDTH1.250 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
OUTSIDE EDGE TO BOLT HOLE CENTER DISTANCE ALONG LENGTH0.281 INCHES MINIMUM AND 0.313 INCHES MAXIMUM IN
OUTSIDE CORNER RADIUS0.281 INCHES MINIMUM AND 0.313 INCHES MAXIMUM 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 RA15981?
RA15981 is a GASKET.
What is the NSN for RA15981?
RA15981 is cataloged in the U.S. Government catalog under NSN 5330-00-326-6792. 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.