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Technical Data Sheet

AS1895/7-400 — GASKET

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

AS1895/7-400: GASKET.

The GASKET is a the manufacturer industrial component. Key specifications include material: NICKEL ALLOY OVERALL, outside_diameter: 4.294 INCHES NOMINAL IN, special_features: TUBE SIZE 4.00 IN IN, style_designator: CIRCULAR, aperture_diameter: 3.958 INCHES NOMINAL IN, surface_treatment: PASSIVATE OVERALL. This part is cataloged in the U.S.

Government catalog under NSN 5330-01-579-6540, 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
AS1895/7-400
NSN: 5330-01-579-6540
FSC: 5330 — Packing and Gasket Materials
CAGE: 0U583 — SAE INTERNATIONAL DBA SAE INTERNATIONAL (USA)
SPECIFICATIONS
materialNICKEL ALLOY OVERALL
outside_diameter4.294 INCHES NOMINAL IN
special_featuresTUBE SIZE 4.00 IN IN
style_designatorCIRCULAR
aperture_diameter3.958 INCHES NOMINAL IN
surface_treatmentPASSIVATE OVERALL
cross-sectional_thickness0.108 INCHES NOMINAL IN
cross-sectional_shape_styleRECTANGULAR METAL
NSN5330-01-579-6540
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: AS1895/7-400 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: 0.108 INCHES NOMINAL IN
•
STYLE DESIGNATOR: CIRCULAR
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR METAL
•
OUTSIDE DIAMETER: 4.294 INCHES NOMINAL IN
•
APERTURE DIAMETER: 3.958 INCHES NOMINAL IN
•
SURFACE TREATMENT: PASSIVATE OVERALL
•
MATERIAL: NICKEL ALLOY OVERALL
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL THICKNESS0.108 INCHES NOMINAL IN
STYLE DESIGNATORCIRCULAR
CROSS-SECTIONAL SHAPE STYLERECTANGULAR METAL
OUTSIDE DIAMETER4.294 INCHES NOMINAL IN
APERTURE DIAMETER3.958 INCHES NOMINAL IN
SPECIAL FEATURESTUBE SIZE 4.00 IN IN
SURFACE TREATMENTPASSIVATE OVERALL
MATERIALNICKEL ALLOY 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
SAE-AS1895Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
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 AS1895/7-400?
AS1895/7-400 is a GASKET.
What parts can replace AS1895/7-400?
There is 1 known substitute for AS1895/7-400: SAE-AS1895. Substitute compatibility should be verified for your specific system.
What is the NSN for AS1895/7-400?
AS1895/7-400 is cataloged in the U.S. Government catalog under NSN 5330-01-579-6540. This indicates validated use in U.S. government and defense supply chains.
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