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BUNBR-AL-21-DW — BRACKET,DOUBLE ANGLE

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

BUNBR-AL-21-DW: BRACKET,DOUBLE ANGLE.

The BRACKET,DOUBLE ANGLE is a the manufacturer industrial component. Key specifications include material: ALUMINUM, first_leg_style: SQUARE, style_designator: ADJACENT ANGLES, mounting_hole_type: PLAIN, center_section_height: 21.000 INCHES NOMINAL IN, end_item_identification: TRAILER, BOAT. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-676-9491, 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
BUNBR-AL-21-DW
NSN: 5340-01-676-9491
FSC: 5340 — Hardware, Commercial
CAGE: 0VSH3 — JDCI ENTERPRISES, INC. DBA JDCI ENTERPRISES INC (USA)
SPECIFICATIONS
materialALUMINUM
first_leg_styleSQUARE
style_designatorADJACENT ANGLES
mounting_hole_typePLAIN
center_section_height21.000 INCHES NOMINAL IN
end_item_identificationTRAILER, BOAT
first_leg_hole_arrangement_styleTWO HOLES
second_leg_relationship_to_first_legIDENTICAL
part_name_assigned_by_controlling_agencyBRACE, SUPPORT, BUNK
NSN5340-01-676-9491
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: BUNBR-AL-21-DW 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 RELATIONSHIP TO FIRST LEG: IDENTICAL
•
FIRST LEG HOLE ARRANGEMENT STYLE: TWO HOLES
•
STYLE DESIGNATOR: ADJACENT ANGLES
•
FIRST LEG STYLE: SQUARE
•
MATERIAL: ALUMINUM
•
CENTER SECTION HEIGHT: 21.000 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
SECOND LEG RELATIONSHIP TO FIRST LEGIDENTICAL
FIRST LEG HOLE ARRANGEMENT STYLETWO HOLES
STYLE DESIGNATORADJACENT ANGLES
FIRST LEG STYLESQUARE
PART NAME ASSIGNED BY CONTROLLING AGENCYBRACE, SUPPORT, BUNK
END ITEM IDENTIFICATIONTRAILER, BOAT
MATERIALALUMINUM
CENTER SECTION HEIGHT21.000 INCHES NOMINAL IN
MOUNTING HOLE TYPEPLAIN
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 BUNBR-AL-21-DW?
BUNBR-AL-21-DW is a BRACKET,DOUBLE ANGLE.
What is the NSN for BUNBR-AL-21-DW?
BUNBR-AL-21-DW is cataloged in the U.S. Government catalog under NSN 5340-01-676-9491. 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.