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6921604D-B4 — BRACKET,ANGLE

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

6921604D-B4: BRACKET,ANGLE.

The BRACKET,ANGLE is a the manufacturer industrial component. Key specifications include material: NICKEL ALLOY 400, first_leg_angle: 90.0 DEGREES NOMINAL, first_leg_style: SQUARE, first_leg_width: 13.400 INCHES NOMINAL IN, first_leg_length: 2.670 INCHES NOMINAL IN, second_leg_style: SQUARE. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-487-0364, 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
6921604D-B4
NSN: 5340-01-487-0364
FSC: 5340 — Hardware, Commercial
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
materialNICKEL ALLOY 400
first_leg_angle90.0 DEGREES NOMINAL
first_leg_styleSQUARE
first_leg_width13.400 INCHES NOMINAL IN
first_leg_length2.670 INCHES NOMINAL IN
second_leg_styleSQUARE
second_leg_width13.400 INCHES NOMINAL IN
special_featuresMIDDLE HOLE COUNTERBORED 1.000 IN. X .24 IN DP BOTH SIDES IN
style_designatorANGLE
second_leg_length1.250 INCHES NOMINAL IN
first_leg_thickness0.690 INCHES NOMINAL IN
second_leg_thickness0.745 INCHES NOMINAL IN
NSN5340-01-487-0364
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 6921604D-B4 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
•
FIRST LEG DISTANCE FROM EDGE TO HOLE CENTER ALONG LENGTH: 0.545 INCHES NOMINAL IN
•
FIRST LEG HOLE DIAMETER: 0.500 INCHES NOMINAL IN
•
FIRST LEG ANGLE: 90.0 DEGREES NOMINAL
•
SECOND LEG RELATIONSHIP TO FIRST LEG: NOT IDENTICAL
•
SECOND LEG WIDTH: 13.400 INCHES NOMINAL IN
•
SECOND LEG LENGTH: 1.250 INCHES NOMINAL IN
•
FIRST LEG HOLE ARRANGEMENT STYLE: THREE HOLES
•
STYLE DESIGNATOR: ANGLE
TECHNICAL CHARACTERISTICS
FIRST LEG DISTANCE FROM EDGE TO HOLE CENTER ALONG LENGTH0.545 INCHES NOMINAL IN
FIRST LEG HOLE DIAMETER0.500 INCHES NOMINAL IN
FIRST LEG ANGLE90.0 DEGREES NOMINAL
SECOND LEG RELATIONSHIP TO FIRST LEGNOT IDENTICAL
SECOND LEG WIDTH13.400 INCHES NOMINAL IN
SECOND LEG LENGTH1.250 INCHES NOMINAL IN
FIRST LEG HOLE ARRANGEMENT STYLETHREE HOLES
STYLE DESIGNATORANGLE
FIRST LEG STYLESQUARE
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-N-281, CL A 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 4
595-6408475-ECMT-A4Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
6921604D-A4Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
595-6408475-1044Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
595-6408475-ECMT-B4Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 6921604D-B4?
6921604D-B4 is a BRACKET,ANGLE.
What parts can replace 6921604D-B4?
There are 4 known substitutes for 6921604D-B4: 595-6408475-ECMT-A4, 6921604D-A4, 595-6408475-1044 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 6921604D-B4?
6921604D-B4 is cataloged in the U.S. Government catalog under NSN 5340-01-487-0364. 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.