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5267551-001 — GASKET

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

5267551-001: GASKET.

The GASKET is a the manufacturer industrial component. Key specifications include material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR OVERALL, hole_diameter: 0.142 INCHES MINIMUM AND 0.157 INCHES MAXIMUM LOCATION NOT OTHERWISE SPECIFIED IN, overall_width: 1.750 INCHES MINIMUM AND 1.781 INCHES MAXIMUM IN, hardness_rating: 40.0 SHORE DUROMETER A NOMINAL OVERALL, style_designator: NON-CIRCULAR, aperture_diameter: 1.385 INCHES MINIMUM AND 1.415 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5330-01-292-6348, 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
5267551-001
NSN: 5330-01-292-6348
FSC: 5330 — Packing and Gasket Materials
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
materialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR OVERALL
hole_diameter0.142 INCHES MINIMUM AND 0.157 INCHES MAXIMUM LOCATION NOT OTHERWISE SPECIFIED IN
overall_width1.750 INCHES MINIMUM AND 1.781 INCHES MAXIMUM IN
hardness_rating40.0 SHORE DUROMETER A NOMINAL OVERALL
style_designatorNON-CIRCULAR
aperture_diameter1.385 INCHES MINIMUM AND 1.415 INCHES MAXIMUM IN
bolt_hole_quantity4
outside_corner_radius0.125 INCHES NOMINAL IN
cross-sectional_thickness0.016 INCHES MINIMUM AND 0.024 INCHES MAXIMUM IN
cross-sectional_shape_styleSOLID SINGLE OR COMPOSITION
material_document_and_classificationMIL-R-6855 CL 1 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
center_to_center_distance_between_bolt_holes_along_width1.370 INCHES MINIMUM AND 1.380 INCHES MAXIMUM LOCATION NOT OTHERWISE SPECIFIED IN
NSN5330-01-292-6348
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 5267551-001 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: 0.016 INCHES MINIMUM AND 0.024 INCHES MAXIMUM IN
•
HARDNESS RATING: 40.0 SHORE DUROMETER A NOMINAL OVERALL
•
STYLE DESIGNATOR: NON-CIRCULAR
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-R-6855 CL 1 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
•
CROSS-SECTIONAL SHAPE STYLE: SOLID SINGLE OR COMPOSITION
•
APERTURE DIAMETER: 1.385 INCHES MINIMUM AND 1.415 INCHES MAXIMUM IN
•
BOLT HOLE QUANTITY: 4
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL THICKNESS0.016 INCHES MINIMUM AND 0.024 INCHES MAXIMUM IN
HARDNESS RATING40.0 SHORE DUROMETER A NOMINAL OVERALL
STYLE DESIGNATORNON-CIRCULAR
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-R-6855 CL 1 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
CROSS-SECTIONAL SHAPE STYLESOLID SINGLE OR COMPOSITION
OVERALL WIDTH1.750 INCHES MINIMUM AND 1.781 INCHES MAXIMUM IN
APERTURE DIAMETER1.385 INCHES MINIMUM AND 1.415 INCHES MAXIMUM IN
BOLT HOLE QUANTITY4
CENTER TO CENTER DISTANCE BETWEEN BOLT HOLES ALONG WIDTH1.370 INCHES MINIMUM AND 1.380 INCHES MAXIMUM LOCATION NOT OTHERWISE SPECIFIED IN
OUTSIDE CORNER RADIUS0.125 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 5267551-001?
5267551-001 is a GASKET.
What is the NSN for 5267551-001?
5267551-001 is cataloged in the U.S. Government catalog under NSN 5330-01-292-6348. 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.