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HN52PC26 — RETAINER,PACKING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

HN52PC26: RETAINER,PACKING.

The RETAINER,PACKING is a the manufacturer industrial component. Key specifications include material: GRAPHITE OVERALL, inner_groove_depth: 0.253 INCHES MINIMUM AND 0.254 INCHES MAXIMUM IN, inner_groove_width: 0.188 INCHES NOMINAL IN, peripheral_diameter: 2.750 INCHES NOMINAL IN, center_hole_diameter: 2.008 INCHES MINIMUM AND 2.012 INCHES MAXIMUM IN, cross-sectional_height: 0.688 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-678-0423, 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
HN52PC26
NSN: 5330-00-678-0423
FSC: 5330 — Packing and Gasket Materials
CAGE: 26840 — HALE PRODUCTS, INC. (USA)
SPECIFICATIONS
materialGRAPHITE OVERALL
inner_groove_depth0.253 INCHES MINIMUM AND 0.254 INCHES MAXIMUM IN
inner_groove_width0.188 INCHES NOMINAL IN
peripheral_diameter2.750 INCHES NOMINAL IN
center_hole_diameter2.008 INCHES MINIMUM AND 2.012 INCHES MAXIMUM IN
cross-sectional_height0.688 INCHES NOMINAL IN
cross-sectional_shape_styleSPECIAL
material_document_and_classificationGRAPHITAR GR 39 FSCM 26840 MFR REF SINGLE MATERIAL RESPONSE OVERALL
NSN5330-00-678-0423
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: HN52PC26 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 HEIGHT: 0.688 INCHES NOMINAL IN
•
INNER GROOVE DEPTH: 0.253 INCHES MINIMUM AND 0.254 INCHES MAXIMUM IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: GRAPHITAR GR 39 FSCM 26840 MFR REF SINGLE MATERIAL RESPONSE OVERALL
•
CROSS-SECTIONAL SHAPE STYLE: SPECIAL
•
PERIPHERAL DIAMETER: 2.750 INCHES NOMINAL IN
•
INNER GROOVE WIDTH: 0.188 INCHES NOMINAL IN
•
CENTER HOLE DIAMETER: 2.008 INCHES MINIMUM AND 2.012 INCHES MAXIMUM IN
•
MATERIAL: GRAPHITE OVERALL
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL HEIGHT0.688 INCHES NOMINAL IN
INNER GROOVE DEPTH0.253 INCHES MINIMUM AND 0.254 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATIONGRAPHITAR GR 39 FSCM 26840 MFR REF SINGLE MATERIAL RESPONSE OVERALL
CROSS-SECTIONAL SHAPE STYLESPECIAL
PERIPHERAL DIAMETER2.750 INCHES NOMINAL IN
INNER GROOVE WIDTH0.188 INCHES NOMINAL IN
CENTER HOLE DIAMETER2.008 INCHES MINIMUM AND 2.012 INCHES MAXIMUM IN
MATERIALGRAPHITE OVERALL
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 1
10M434DReference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is HN52PC26?
HN52PC26 is a RETAINER,PACKING.
What parts can replace HN52PC26?
There is 1 known substitute for HN52PC26: 10M434D. Substitute compatibility should be verified for your specific system.
What is the NSN for HN52PC26?
HN52PC26 is cataloged in the U.S. Government catalog under NSN 5330-00-678-0423. This indicates validated use in U.S. government and defense supply chains.
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