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156538 — GASKET

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

156538: GASKET.

The GASKET is a the manufacturer industrial component. Key specifications include material: RUBBER OVERALL, hole_diameter: 1.62 INCHES MINIMUM AND 1.82 INCHES MAXIMUM ALL HOLES IN, overall_width: 1.860 INCHES MINIMUM AND 1.890 INCHES MAXIMUM IN, overall_length: 1.860 INCHES MINIMUM AND 1.890 INCHES MAXIMUM IN, style_designator: NON-CIRCULAR, aperture_diameter: 1.750 INCHES MINIMUM AND 1.780 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5330-01-605-2974, 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
156538
NSN: 5330-01-605-2974
NIINs: 016052974, 016256301
FSC: 5330 — Packing and Gasket Materials
CAGE: 15187 — EMERSON AUTOMATION SOLUTIONS FINAL CONTROL US LP DIV NAVY PRODUCT TEAM (USA)
SPECIFICATIONS
materialRUBBER OVERALL
hole_diameter1.62 INCHES MINIMUM AND 1.82 INCHES MAXIMUM ALL HOLES IN
overall_width1.860 INCHES MINIMUM AND 1.890 INCHES MAXIMUM IN
overall_length1.860 INCHES MINIMUM AND 1.890 INCHES MAXIMUM IN
style_designatorNON-CIRCULAR
aperture_diameter1.750 INCHES MINIMUM AND 1.780 INCHES MAXIMUM IN
bolt_hole_quantity4
material_document_and_classificationZZ-R-765 CLASS 2B OR 3, GRADE 30 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
part_name_assigned_by_controlling_agencyGASKET
NSN5330-01-605-2974
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 156538 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
SUBSTITUTES & CROSS-REFERENCES 1
DSB90597-11161PC28Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 156538?
156538 is a GASKET.
What parts can replace 156538?
There is 1 known substitute for 156538: DSB90597-11161PC28. Substitute compatibility should be verified for your specific system.
What is the NSN for 156538?
156538 is cataloged in the U.S. Government catalog under NSN 5330-01-605-2974. This indicates validated use in U.S. government and defense supply chains.
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