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287-1176P4 — GASKET

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

287-1176P4: GASKET.

The GASKET is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY 1100 OVERALL, outside_diameter: 0.995 INCHES NOMINAL IN, center_hole_diameter: 0.755 INCHES NOMINAL IN, cross-sectional_thickness: 0.050 INCHES NOMINAL IN, material_document_and_classification: QQ-A-561,TYPE 1,CLASS 1/2 H FED SPEC SINGLE MATERIAL RESPONSE OVERALL, part_name_assigned_by_controlling_agency: SPACER,RING. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-171-6990, 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
287-1176P4
NSN: 5330-00-171-6990
FSC: 5330 — Packing and Gasket Materials
CAGE: 49956 — RAYTHEON COMPANY DIV CORP (USA)
SPECIFICATIONS
materialALUMINUM ALLOY 1100 OVERALL
outside_diameter0.995 INCHES NOMINAL IN
center_hole_diameter0.755 INCHES NOMINAL IN
cross-sectional_thickness0.050 INCHES NOMINAL IN
material_document_and_classificationQQ-A-561,TYPE 1,CLASS 1/2 H FED SPEC SINGLE MATERIAL RESPONSE OVERALL
part_name_assigned_by_controlling_agencySPACER,RING
NSN5330-00-171-6990
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 287-1176P4 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: 0.050 INCHES NOMINAL IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-A-561,TYPE 1,CLASS 1/2 H FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
OUTSIDE DIAMETER: 0.995 INCHES NOMINAL IN
•
CENTER HOLE DIAMETER: 0.755 INCHES NOMINAL IN
•
MATERIAL: ALUMINUM ALLOY 1100 OVERALL
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL THICKNESS0.050 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-561,TYPE 1,CLASS 1/2 H FED SPEC SINGLE MATERIAL RESPONSE OVERALL
OUTSIDE DIAMETER0.995 INCHES NOMINAL IN
CENTER HOLE DIAMETER0.755 INCHES NOMINAL IN
PART NAME ASSIGNED BY CONTROLLING AGENCYSPACER,RING
MATERIALALUMINUM ALLOY 1100 OVERALL
SUBSTITUTES & CROSS-REFERENCES 4
AN901Reference document
Same NSN cross-reference
Reference document — Identification reference
AN901-8Reference document
Same NSN cross-reference
Reference document — Secondary reference
AN901-8ASame NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
362-601-90108Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 287-1176P4?
287-1176P4 is a GASKET.
What parts can replace 287-1176P4?
There are 4 known substitutes for 287-1176P4: AN901, AN901-8, AN901-8A and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 287-1176P4?
287-1176P4 is cataloged in the U.S. Government catalog under NSN 5330-00-171-6990. This indicates validated use in U.S. government and defense supply chains.
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