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178381 — BRACKET,DOUBLE ANGLE

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

178381: BRACKET,DOUBLE ANGLE.

The BRACKET,DOUBLE ANGLE is a the manufacturer industrial component. Key specifications include material: STEEL COMP 1008, first_leg_angle: 0.250 DEGREES NOMINAL, first_leg_style: SQUARE, first_leg_width: 1.250 INCHES NOMINAL IN, first_leg_length: 1.620 INCHES NOMINAL IN, second_leg_angle: 0.250 DEGREES NOMINAL. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-413-0304, 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
178381
NSN: 5340-01-413-0304
FSC: 5340 — Hardware, Commercial
CAGE: 60764 — WIGGINS LIFT CO INC (USA)
SPECIFICATIONS
materialSTEEL COMP 1008
first_leg_angle0.250 DEGREES NOMINAL
first_leg_styleSQUARE
first_leg_width1.250 INCHES NOMINAL IN
first_leg_length1.620 INCHES NOMINAL IN
second_leg_angle0.250 DEGREES NOMINAL
style_designatorADJACENT ANGLES
second_leg_length1.620 INCHES NOMINAL IN
first_leg_thickness0.250 INCHES NOMINAL IN
center_section_width1.250 INCHES NOMINAL IN
second_leg_thickness0.250 INCHES NOMINAL IN
center_section_height3.030 INCHES NOMINAL IN
NSN5340-01-413-0304
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 178381 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: 0.500 INCHES NOMINAL IN
•
FIRST LEG HOLE DIAMETER: 0.406 INCHES NOMINAL IN
•
FIRST LEG ANGLE: 0.250 DEGREES NOMINAL
•
CENTER SECTION THICKNESS: 0.250 INCHES NOMINAL IN
•
SECOND LEG RELATIONSHIP TO FIRST LEG: IDENTICAL
•
SECOND LEG ANGLE: 0.250 DEGREES NOMINAL
•
SECOND LEG LENGTH: 1.620 INCHES NOMINAL IN
•
FIRST LEG HOLE ARRANGEMENT STYLE: ONE HOLE
TECHNICAL CHARACTERISTICS
FIRST LEG DISTANCE FROM EDGE TO HOLE CENTER ALONG LENGTH0.500 INCHES NOMINAL IN
FIRST LEG HOLE DIAMETER0.406 INCHES NOMINAL IN
FIRST LEG ANGLE0.250 DEGREES NOMINAL
CENTER SECTION THICKNESS0.250 INCHES NOMINAL IN
SECOND LEG RELATIONSHIP TO FIRST LEGIDENTICAL
SECOND LEG ANGLE0.250 DEGREES NOMINAL
SECOND LEG LENGTH1.620 INCHES NOMINAL IN
FIRST LEG HOLE ARRANGEMENT STYLEONE HOLE
CENTER SECTION WIDTH1.250 INCHES NOMINAL IN
STYLE DESIGNATORADJACENT ANGLES
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 1
40-0037517Reference document
Same NSN cross-reference
Reference document — Secondary reference
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 178381?
178381 is a BRACKET,DOUBLE ANGLE.
What parts can replace 178381?
There is 1 known substitute for 178381: 40-0037517. Substitute compatibility should be verified for your specific system.
What is the NSN for 178381?
178381 is cataloged in the U.S. Government catalog under NSN 5340-01-413-0304. 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.