The GASKET is a the manufacturer industrial component. Key specifications include material: PAPER OVERALL, hole_diameter: 0.407 INCHES MINIMUM AND 0.469 INCHES MAXIMUM LOCATION NOT OTHERWISE SPECIFIED IN, special_features: C TO C DISTANCE BETWEEN BOLT HOLES ALONG WIDTH 3.969 IN. MIN AND 4.031 IN.
MAX AND 6.094 IN. MIN AND 6.156 IN. MAX IN, aperture_diameter: 6.219 INCHES MINIMUM AND 6.281 INCHES MAXIMUM IN, material_document_and_classification: MIL-G-12803 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL, center_to_center_distance_between_bolt_holes_along_length: 6.219 INCHES MINIMUM AND 6.281 INCHES MAXIMUM LOCATION NOT OTHERWISE SPECIFIED IN.
This part is cataloged in the U.S. Government catalog under NSN 5330-01-062-7860, 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
3B1257C1
NSN:5330-01-062-7860 FSC:5330 — Packing and Gasket Materials CAGE:98296 — STANDARD MFG CO INC (USA)
SPECIFICATIONS
material
PAPER OVERALL
hole_diameter
0.407 INCHES MINIMUM AND 0.469 INCHES MAXIMUM LOCATION NOT OTHERWISE SPECIFIED IN
special_features
C TO C DISTANCE BETWEEN BOLT HOLES ALONG WIDTH 3.969 IN. MIN AND 4.031 IN. MAX AND 6.094 IN. MIN AND 6.156 IN. MAX IN
aperture_diameter
6.219 INCHES MINIMUM AND 6.281 INCHES MAXIMUM IN
bolt_hole_quantity
4
material_document_and_classification
MIL-G-12803 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
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FREQUENTLY ASKED QUESTIONS
What is 3B1257C1?
3B1257C1 is a GASKET.
What parts can replace 3B1257C1?
There is 1 known substitute for 3B1257C1: 1MJ3-7-9-36-1. Substitute compatibility should be verified for your specific system.
What is the NSN for 3B1257C1?
3B1257C1 is cataloged in the U.S. Government catalog under NSN 5330-01-062-7860. This indicates validated use in U.S. government and defense supply chains.
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