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1677-04-421-6118 — BRACKET,DOUBLE ANGLE

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

1677-04-421-6118: BRACKET,DOUBLE ANGLE.

The BRACKET,DOUBLE ANGLE is a the manufacturer industrial component. Key specifications include material: ALUMINUM, first_leg_style: SQUARE, first_leg_width: 5.000 INCHES NOMINAL IN, first_leg_length: 1.000 INCHES NOMINAL IN, second_leg_style: CORNER RADIUS, second_leg_width: 0.125 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-681-1386, 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
1677-04-421-6118
NSN: 5340-01-681-1386
FSC: 5340 — Hardware, Commercial
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
materialALUMINUM
first_leg_styleSQUARE
first_leg_width5.000 INCHES NOMINAL IN
first_leg_length1.000 INCHES NOMINAL IN
second_leg_styleCORNER RADIUS
second_leg_width0.125 INCHES NOMINAL IN
special_featuresTWO 0.281 INCH (NOM) DIA MOUNTING HOLES IN
style_designatorADJACENT ANGLES
second_leg_length0.875 INCHES NOMINAL IN
mounting_hole_typePLAIN
first_leg_thickness0.125 INCHES NOMINAL IN
center_section_width5.000 INCHES NOMINAL IN
NSN5340-01-681-1386
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 1677-04-421-6118 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
•
CENTER SECTION THICKNESS: 0.125 INCHES NOMINAL IN
•
SECOND LEG RELATIONSHIP TO FIRST LEG: NOT IDENTICAL
•
SECOND LEG WIDTH: 0.125 INCHES NOMINAL IN
•
SECOND LEG LENGTH: 0.875 INCHES NOMINAL IN
•
CENTER SECTION WIDTH: 5.000 INCHES NOMINAL IN
•
STYLE DESIGNATOR: ADJACENT ANGLES
•
FIRST LEG STYLE: SQUARE
•
SECOND LEG THICKNESS: 0.125 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
CENTER SECTION THICKNESS0.125 INCHES NOMINAL IN
SECOND LEG RELATIONSHIP TO FIRST LEGNOT IDENTICAL
SECOND LEG WIDTH0.125 INCHES NOMINAL IN
SECOND LEG LENGTH0.875 INCHES NOMINAL IN
CENTER SECTION WIDTH5.000 INCHES NOMINAL IN
STYLE DESIGNATORADJACENT ANGLES
FIRST LEG STYLESQUARE
SECOND LEG THICKNESS0.125 INCHES NOMINAL IN
FIRST LEG THICKNESS0.125 INCHES NOMINAL IN
FIRST LEG LENGTH1.000 INCHES NOMINAL IN
SUBSTITUTES & CROSS-REFERENCES 2
167-7044216 REV A PC NO 118Reference document
Same NSN cross-reference
Reference document — Secondary reference
167-7044216 REV AReference document
Same NSN cross-reference
Reference document — Drawing number reference only
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 1677-04-421-6118?
1677-04-421-6118 is a BRACKET,DOUBLE ANGLE.
What parts can replace 1677-04-421-6118?
There are 2 known substitutes for 1677-04-421-6118: 167-7044216 REV A PC NO 118, 167-7044216 REV A. Substitute compatibility should be verified for your specific system.
What is the NSN for 1677-04-421-6118?
1677-04-421-6118 is cataloged in the U.S. Government catalog under NSN 5340-01-681-1386. 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.