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HHP91 — GASKET

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

HHP91: GASKET.

The GASKET is a the manufacturer industrial component. Key specifications include material: COTTON OVERALL, outside_diameter: 1.125 INCHES NOMINAL IN, style_designator: CIRCULAR, aperture_diameter: 0.875 INCHES NOMINAL IN, cross-sectional_thickness: 0.031 INCHES NOMINAL IN, cross-sectional_shape_style: SOLID SINGLE OR COMPOSITION. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-251-8461, 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
HHP91
NSN: 5330-00-251-8461
FSC: 5330 — Packing and Gasket Materials
CAGE: 81348 — FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC (USA)
SPECIFICATIONS
materialCOTTON OVERALL
outside_diameter1.125 INCHES NOMINAL IN
style_designatorCIRCULAR
aperture_diameter0.875 INCHES NOMINAL IN
cross-sectional_thickness0.031 INCHES NOMINAL IN
cross-sectional_shape_styleSOLID SINGLE OR COMPOSITION
NSN5330-00-251-8461
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: HHP91 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: 0.031 INCHES NOMINAL IN
•
STYLE DESIGNATOR: CIRCULAR
•
CROSS-SECTIONAL SHAPE STYLE: SOLID SINGLE OR COMPOSITION
•
OUTSIDE DIAMETER: 1.125 INCHES NOMINAL IN
•
APERTURE DIAMETER: 0.875 INCHES NOMINAL IN
•
MATERIAL: COTTON OVERALL
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL THICKNESS0.031 INCHES NOMINAL IN
STYLE DESIGNATORCIRCULAR
CROSS-SECTIONAL SHAPE STYLESOLID SINGLE OR COMPOSITION
OUTSIDE DIAMETER1.125 INCHES NOMINAL IN
APERTURE DIAMETER0.875 INCHES NOMINAL IN
MATERIALCOTTON OVERALL
SUBSTITUTES & CROSS-REFERENCES 1
156454Reference document
Same NSN cross-reference
Reference document — Replaced / superseded reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is HHP91?
HHP91 is a GASKET.
What parts can replace HHP91?
There is 1 known substitute for HHP91: 156454. Substitute compatibility should be verified for your specific system.
What is the NSN for HHP91?
HHP91 is cataloged in the U.S. Government catalog under NSN 5330-00-251-8461. This indicates validated use in U.S. government and defense supply chains.
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