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Technical Data Sheet

AS1895/7-250 — GASKET

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

AS1895/7-250: GASKET.

The GASKET is a the manufacturer industrial component. Key specifications include material: NICKEL ALLOY 718 OVERALL, outside_diameter: 2.749 INCHES NOMINAL IN, style_designator: CIRCULAR, aperture_diameter: 2.458 INCHES NOMINAL IN, surface_treatment: PASSIVATE OVERALL, cross-sectional_thickness: 0.103 INCHES MINIMUM AND 0.113 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-376-8657, 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
AS1895/7-250
NSN: 5330-00-376-8657
NIINs: 003768657, 014643646
FSC: 5330 — Packing and Gasket Materials
CAGE: 76301 — THE BOEING COMPANY DIV DEFENSE (USA)
SPECIFICATIONS
materialNICKEL ALLOY 718 OVERALL
outside_diameter2.749 INCHES NOMINAL IN
special_featuresSEALS MADE OUT-OF-ROUND; TUBE SIZE 2.500 INCHES; ELECTROPOLISH OR MECHANICAL POLISH IS ACCEPTABLE IN LIEU OF PASSIVATION; SEAL CROSS SECTION MAY BE SHAPED IN A NON-RECTANGULAR FORM IN
style_designatorCIRCULAR
aperture_diameter2.458 INCHES NOMINAL IN
surface_treatmentPASSIVATE OVERALL
cross-sectional_thickness0.103 INCHES MINIMUM AND 0.113 INCHES MAXIMUM IN
cross-sectional_shape_styleRECTANGULAR METAL
specification/standard_data81343-AS1895/7C PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
material_document_and_classificationAMS 5589 OR 5596 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
part_name_assigned_by_controlling_agencyGASKET
surface_treatment_document_and_classificationQQ-P-416, TYPE 1, 2, OR 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
NSN5330-00-376-8657
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: AS1895/7-250 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
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
•
CROSS-SECTIONAL THICKNESS: 0.103 INCHES MINIMUM AND 0.108 INCHES MAXIMUM IN
•
HARDNESS RATING: 35.0 ROCKWELL C NOMINAL OVERALL
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR METAL
•
OUTSIDE DIAMETER: 2.743 INCHES MINIMUM AND 2.749 INCHES MAXIMUM IN
•
SURFACE TREATMENT: PASSIVATE OVERALL
•
MATERIAL: IRON ALLOY OVERALL
TECHNICAL CHARACTERISTICS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
CROSS-SECTIONAL THICKNESS0.103 INCHES MINIMUM AND 0.108 INCHES MAXIMUM IN
HARDNESS RATING35.0 ROCKWELL C NOMINAL OVERALL
CROSS-SECTIONAL SHAPE STYLERECTANGULAR METAL
OUTSIDE DIAMETER2.743 INCHES MINIMUM AND 2.749 INCHES MAXIMUM IN
SURFACE TREATMENTPASSIVATE OVERALL
MATERIALIRON ALLOY OVERALL
SUBSTITUTES & CROSS-REFERENCES 7
10119468Reference document
Same NSN cross-reference
Reference document — Informative reference only
A0946Reference document
Same NSN cross-reference
Reference document — Secondary reference
E15-0274-10Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
GS570FD40Reference document
Same NSN cross-reference
Reference document — Secondary reference
0946Reference document
Same NSN cross-reference
Reference document — Secondary reference
5330PL0660613Reference document
Same NSN cross-reference
Reference document — Informative reference only
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 AS1895/7-250?
AS1895/7-250 is a GASKET.
What parts can replace AS1895/7-250?
There are 7 known substitutes for AS1895/7-250: 10119468, A0946, E15-0274-10 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for AS1895/7-250?
AS1895/7-250 is cataloged in the U.S. Government catalog under NSN 5330-00-376-8657. This indicates validated use in U.S. government and defense supply chains.
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