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257458 — BRACKET,ANGLE

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

257458: BRACKET,ANGLE.

The BRACKET,ANGLE is a the manufacturer industrial component. Key specifications include first_leg_angle: 90.0 RADIANS NOMINAL, first_leg_style: SQUARE, first_leg_width: 20.0000 INCHES NOMINAL IN, first_leg_length: 2.0000 INCHES NOMINAL IN, second_leg_style: CORNER RADIUS, second_leg_width: 20.0000 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-445-7781, 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
257458
NSN: 5340-01-445-7781
FSC: 5340 — Hardware, Commercial
CAGE: 5X050 — CRYSTEEL MANUFACTURING, INC DBA CRYSTEEL MANUFACTURING INC (USA)
SPECIFICATIONS
first_leg_angle90.0 RADIANS NOMINAL
first_leg_styleSQUARE
first_leg_width20.0000 INCHES NOMINAL IN
first_leg_length2.0000 INCHES NOMINAL IN
second_leg_styleCORNER RADIUS
second_leg_width20.0000 INCHES NOMINAL IN
style_designatorANGLE
second_leg_length4.3750 INCHES NOMINAL IN
mounting_hole_typePLAIN
second_leg_corner_radius1.5000 INCHES NOMINAL IN
second_leg_hole_diameter0.1250 INCHES NOMINAL IN
first_leg_hole_arrangement_styleNO HOLE
NSN5340-01-445-7781
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 257458 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
•
SECOND LEG DISTANCE FROM EDGE TO HOLE CENTER ALONG LENGTH: 3.6870 INCHES NOMINAL IN
•
FIRST LEG ANGLE: 90.0 RADIANS NOMINAL
•
SECOND LEG RELATIONSHIP TO FIRST LEG: NOT IDENTICAL
•
SECOND LEG HOLE DIAMETER: 0.1250 INCHES NOMINAL IN
•
SECOND LEG WIDTH: 20.0000 INCHES NOMINAL IN
•
SECOND LEG LENGTH: 4.3750 INCHES NOMINAL IN
•
FIRST LEG HOLE ARRANGEMENT STYLE: NO HOLE
•
SECOND LEG DISTANCE FROM EDGE TO HOLE CENTER ALONG WIDTH: 6.0000 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
SECOND LEG DISTANCE FROM EDGE TO HOLE CENTER ALONG LENGTH3.6870 INCHES NOMINAL IN
FIRST LEG ANGLE90.0 RADIANS NOMINAL
SECOND LEG RELATIONSHIP TO FIRST LEGNOT IDENTICAL
SECOND LEG HOLE DIAMETER0.1250 INCHES NOMINAL IN
SECOND LEG WIDTH20.0000 INCHES NOMINAL IN
SECOND LEG LENGTH4.3750 INCHES NOMINAL IN
FIRST LEG HOLE ARRANGEMENT STYLENO HOLE
SECOND LEG DISTANCE FROM EDGE TO HOLE CENTER ALONG WIDTH6.0000 INCHES NOMINAL IN
STYLE DESIGNATORANGLE
FIRST LEG STYLESQUARE
SUBSTITUTES & CROSS-REFERENCES 1
238021Reference document
Same NSN cross-reference
Reference document — Secondary 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 257458?
257458 is a BRACKET,ANGLE.
What parts can replace 257458?
There is 1 known substitute for 257458: 238021. Substitute compatibility should be verified for your specific system.
What is the NSN for 257458?
257458 is cataloged in the U.S. Government catalog under NSN 5340-01-445-7781. This indicates validated use in U.S. government and defense supply chains.
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