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Technical Data Sheet
SM-B-187286 ✓ Verified by PartsTable
· ORING SEAL
WHAT YOU NEED TO KNOW
Material determines chemical compatibility Standard durometer is 70 Shore A
Wrong material = catastrophic seal failure
PRODUCT OVERVIEW

The BRACKET,DOUBLE ANGLE is a the manufacturer industrial component. Key specifications include material: STEEL COMP 1050, first_leg_angle: 73.0 DEGREES MINIMUM AND 77.0 DEGREES MAXIMUM, first_leg_width: 0.250 INCHES NOMINAL IN, first_leg_length: 0.359 INCHES NOMINAL IN, second_leg_angle: 90.0 DEGREES NOMINAL, second_leg_width: 0.625 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-322-5634, 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
SM-B-187286
NSN: 5340-00-322-5634
FSC: 5340
CAGE: 80063 — US ARMY COMMUNICATIONS & ELECTRONICS MATERIEL READINESS COMMAND LOGISTICS ENGINEERING DIR (USA)
SPECIFICATIONS
materialSTEEL COMP 1050
first_leg_angle73.0 DEGREES MINIMUM AND 77.0 DEGREES MAXIMUM
first_leg_width0.250 INCHES NOMINAL IN
first_leg_length0.359 INCHES NOMINAL IN
second_leg_angle90.0 DEGREES NOMINAL
second_leg_width0.625 INCHES NOMINAL IN
special_featuresCENTER SECTION HAS ONE 0.169 IN. MIN,0.173 IN. AX DIA HOLE AND HAS A 0.312 IN. W BY 0.422 IN. LG EXTENSION IN
style_designatorDOUBLE ANGLE
second_leg_length0.487 INCHES MINIMUM AND 0.491 INCHES MAXIMUM IN
surface_treatmentENAMEL SEMIGLOSS
mounting_hole_typePLAIN
first_leg_thickness0.018 INCHES MINIMUM AND 0.022 INCHES MAXIMUM IN
NSN5340-00-322-5634
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: SM-B-187286 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
MATERIAL: STEEL COMP 1050
SECOND LEG THICKNESS: 0.018 INCHES MINIMUM AND 0.022 INCHES MAXIMUM IN
SECOND LEG RELATIONSHIP TO FIRST LEG: NOT IDENTICAL
SECOND LEG SLOT LENGTH: 0.175 INCHES NOMINAL IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: TT-E-529 FED SPEC SINGLE TREATMENT RESPONSE
STYLE DESIGNATOR: DOUBLE ANGLE
CENTER SECTION THICKNESS: 0.018 INCHES MINIMUM AND 0.022 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALSTEEL COMP 1050
SECOND LEG THICKNESS0.018 INCHES MINIMUM AND 0.022 INCHES MAXIMUM IN
SECOND LEG RELATIONSHIP TO FIRST LEGNOT IDENTICAL
SECOND LEG SLOT LENGTH0.175 INCHES NOMINAL IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONTT-E-529 FED SPEC SINGLE TREATMENT RESPONSE
STYLE DESIGNATORDOUBLE ANGLE
SPECIAL FEATURESCENTER SECTION HAS ONE 0.169 IN. MIN,0.173 IN. AX DIA HOLE AND HAS A 0.312 IN. W BY 0.422 IN. LG EXTENSION IN
CENTER SECTION THICKNESS0.018 INCHES MINIMUM AND 0.022 INCHES MAXIMUM IN
SECOND LEG DISTANCE FROM EDGE TO HOLE CENTER ALONG LENGTH0.1915 INCHES NOMINAL IN
MOUNTING HOLE TYPEPLAIN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
13-505Interchangeable
interchangeable cross-reference
interchangeable
55970YInterchangeable
interchangeable cross-reference
interchangeable
55970Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is SM-B-187286?
SM-B-187286 is a BRACKET,DOUBLE ANGLE.
What parts can replace SM-B-187286?
There are 3 known substitutes for SM-B-187286: 13-505, 55970Y, 55970. Substitute compatibility should be verified for your specific system.
What is the NSN for SM-B-187286?
SM-B-187286 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-322-5634. This indicates validated use in U.S. government and defense supply chains.
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