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6521-90-904-9042 — BRACKET,ANGLE

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

6521-90-904-9042: BRACKET,ANGLE.

The BRACKET,ANGLE is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY 7075, first_leg_angle: 90.0 DEGREES NOMINAL, first_leg_style: SQUARE, first_leg_width: 1.620 INCHES NOMINAL IN, first_leg_length: 1.840 INCHES NOMINAL IN, second_leg_width: 1.620 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-246-2807, 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
6521-90-904-9042
NSN: 5340-01-246-2807
FSC: 5340 — Hardware, Commercial
CAGE: 78286 — SIKORSKY AIRCRAFT CORPORATION DBA SIKORSKY AIRCRAFT CORP (USA)
SPECIFICATIONS
materialALUMINUM ALLOY 7075
first_leg_angle90.0 DEGREES NOMINAL
first_leg_styleSQUARE
first_leg_width1.620 INCHES NOMINAL IN
first_leg_length1.840 INCHES NOMINAL IN
second_leg_width1.620 INCHES NOMINAL IN
special_featuresSECOND LEG SERRATED ON OUTSIDE; INCLUDES NYLON PAD
style_designatorANGLE
second_leg_length0.880 INCHES NOMINAL IN
mounting_hole_typePLAIN
first_leg_thickness0.125 INCHES NOMINAL IN
second_leg_thickness0.125 INCHES NOMINAL IN
NSN5340-01-246-2807
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 6521-90-904-9042 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: 0.517 INCHES NOMINAL IN
•
FIRST LEG ANGLE: 90.0 DEGREES NOMINAL
•
SECOND LEG RELATIONSHIP TO FIRST LEG: NOT IDENTICAL
•
SECOND LEG WIDTH: 1.620 INCHES NOMINAL IN
•
SECOND LEG LENGTH: 0.880 INCHES NOMINAL IN
•
SECOND LEG SLOT WIDTH: 0.200 INCHES NOMINAL IN
•
SECOND LEG DISTANCE FROM EDGE TO HOLE CENTER ALONG WIDTH: 0.810 INCHES NOMINAL IN
•
STYLE DESIGNATOR: ANGLE
TECHNICAL CHARACTERISTICS
SECOND LEG DISTANCE FROM EDGE TO HOLE CENTER ALONG LENGTH0.517 INCHES NOMINAL IN
FIRST LEG ANGLE90.0 DEGREES NOMINAL
SECOND LEG RELATIONSHIP TO FIRST LEGNOT IDENTICAL
SECOND LEG WIDTH1.620 INCHES NOMINAL IN
SECOND LEG LENGTH0.880 INCHES NOMINAL IN
SECOND LEG SLOT WIDTH0.200 INCHES NOMINAL IN
SECOND LEG DISTANCE FROM EDGE TO HOLE CENTER ALONG WIDTH0.810 INCHES NOMINAL IN
STYLE DESIGNATORANGLE
FIRST LEG STYLESQUARE
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-200/11 T6 FED SPEC SINGLE MATERIAL RESPONSE
OTHER ITEMS IN FSC 5340 — Hardware, Commercial
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5340-00-000-0068 5340-00-000-0132 5340-00-000-8150 5340-00-001-1251 5340-00-001-1264 5340-00-001-1265 5340-00-001-1266 5340-00-001-1275
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

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 6521-90-904-9042?
6521-90-904-9042 is a BRACKET,ANGLE.
What is the NSN for 6521-90-904-9042?
6521-90-904-9042 is cataloged in the U.S. Government catalog under NSN 5340-01-246-2807. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.