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BL2515-5 — COVER,ACCESS

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

BL2515-5: COVER,ACCESS.

The COVER,ACCESS is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY, body_radius: 0.781 INCHES NOMINAL IN, hole_diameter: 0.171 INCHES MINIMUM AND 0.176 INCHES MAXIMUM IN, body_thickness: 0.050 INCHES NOMINAL IN, inside_diameter: 1.125 INCHES NOMINAL IN, flange_thickness: 0.050 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5340-00-850-4891, 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
BL2515-5
NSN: 5340-00-850-4891
FSC: 5340 — Hardware, Commercial
CAGE: 08484 — BREEZE-EASTERN LLC (USA)
SPECIFICATIONS
materialALUMINUM ALLOY
body_radius0.781 INCHES NOMINAL IN
hole_diameter0.171 INCHES MINIMUM AND 0.176 INCHES MAXIMUM IN
body_thickness0.050 INCHES NOMINAL IN
inside_diameter1.125 INCHES NOMINAL IN
flange_thickness0.050 INCHES NOMINAL IN
bolt_circle_diameter1.750 INCHES NOMINAL IN
inside_corner_radius0.187 INCHES NOMINAL IN
securing_device_typeTHREADED FASTENER
peripheral_shape_styleTRIANGLE, RADII, THREE HOLES
first_recess_inside_height0.344 INCHES NOMINAL IN
cross-sectional_shape_styleCIRCULAR RECESS
NSN5340-00-850-4891
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: BL2515-5 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
•
FLANGE THICKNESS: 0.050 INCHES NOMINAL IN
•
INSIDE CORNER RADIUS: 0.187 INCHES NOMINAL IN
•
FIRST RECESS INSIDE HEIGHT: 0.344 INCHES NOMINAL IN
•
MOUNTING OPENING SHAPE STYLE: UNTHREADED HOLE
•
CROSS-SECTIONAL SHAPE STYLE: CIRCULAR RECESS
•
SECURING DEVICE TYPE: THREADED FASTENER
•
BODY RADIUS: 0.781 INCHES NOMINAL IN
•
INSIDE DIAMETER: 1.125 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
FLANGE THICKNESS0.050 INCHES NOMINAL IN
INSIDE CORNER RADIUS0.187 INCHES NOMINAL IN
FIRST RECESS INSIDE HEIGHT0.344 INCHES NOMINAL IN
MOUNTING OPENING SHAPE STYLEUNTHREADED HOLE
CROSS-SECTIONAL SHAPE STYLECIRCULAR RECESS
SECURING DEVICE TYPETHREADED FASTENER
BODY RADIUS0.781 INCHES NOMINAL IN
INSIDE DIAMETER1.125 INCHES NOMINAL IN
BOLT CIRCLE DIAMETER1.750 INCHES NOMINAL IN
PERIPHERAL SHAPE STYLETRIANGLE, RADII, THREE HOLES
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: Terminal item — no further procurement; issued until stock is exhaustedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is BL2515-5?
BL2515-5 is a COVER,ACCESS.
What is the NSN for BL2515-5?
BL2515-5 is cataloged in the U.S. Government catalog under NSN 5340-00-850-4891. 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.