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PRODUCT OVERVIEW
The 1257/6.3/4T is a the manufacturer industrial component. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 2590-00-738-6975, 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
1257/6.3/4T
NSN:2590-00-738-6975 FSC:2590 CAGE:49234 — PROTECTOSEAL CO CONTAINER DIV (USA)
SPECIFICATIONS
Part Number
1257/6.3/4T
NSN
2590-00-738-6975
COMPONENT DIAGRAM
KEY FEATURES
•
THREAD CLASS: 2A A
•
THREAD QUANTITY: 14.000 PER INCH
•
FILLER NECK DIAMETER FOR WHICH DESIGNED: 5.000 INCHES NOMINAL IN
•
THREAD DIAMETER: 2.125 INCHES NOMINAL IN
•
OVERALL DIAMETER: 4.250 INCHES NOMINAL IN
•
SYSTEM FOR WHICH DESIGNED: NONPRESSURIZED
•
LOCKING DEVICE TYPE: INTEGRAL SELF LOCK
TECHNICAL CHARACTERISTICS (FLIS)
THREAD CLASS
2A A
SPECIAL FEATURES
BRASS 5.500 IN. LG BY 1.625 IN. OD STRAINER ELEMENT IS INTEGRAL PART OF FILLER CAP IN
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FREQUENTLY ASKED QUESTIONS
What is 1257/6.3/4T?
1257/6.3/4T is a 1257/6.3/4T.
What parts can replace 1257/6.3/4T?
There are 11 known substitutes for 1257/6.3/4T: 22760, A15582-004, R22-760 and 8 more. Substitute compatibility should be verified for your specific system.
Is 1257/6.3/4T still available?
1257/6.3/4T is currently cancelled.
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