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Technical Data Sheet
BM25747 ✓ Verified by PartsTable
· ORING SEAL
WHAT YOU NEED TO KNOW
Material determines chemical compatibility Standard durometer is 70 Shore A
Wrong material = catastrophic seal failure
PRODUCT OVERVIEW

The COVER,ACCESS is a the manufacturer industrial component. Key specifications include material: ALUMINUM, inside_angle: 45.0 DEGREES NOMINAL, hole_diameter: 0.125 INCHES NOMINAL IN, inverted_radius: 0.250 INCHES NOMINAL IN, flange_thickness: 0.313 INCHES NOMINAL IN, features_provided: SEALING CAPABILITY. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-716-5339, 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
BM25747
NSN: 5340-00-716-5339
FSC: 5340
CAGE: 16004 — DAVEY COMPRESSOR CO DIV OF KECO INDUSTRIES INC (USA)
SPECIFICATIONS
materialALUMINUM
inside_angle45.0 DEGREES NOMINAL
hole_diameter0.125 INCHES NOMINAL IN
inverted_radius0.250 INCHES NOMINAL IN
flange_thickness0.313 INCHES NOMINAL IN
features_providedSEALING CAPABILITY
securing_device_typeTHREADED FASTENER
outside_corner_radius0.125 INCHES NOMINAL IN
bolt_circle_hole_quantity2
first_recess_inside_height0.656 INCHES NOMINAL IN
mounting_opening_shape_styleUNTHREADED HOLE
distance_between_holes_along_length1.813 INCHES NOMINAL IN
NSN5340-00-716-5339
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: BM25747 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
DISTANCE BETWEEN HOLES ALONG LENGTH: 1.813 INCHES NOMINAL IN
INSIDE ANGLE: 45.0 DEGREES NOMINAL
FEATURES PROVIDED: SEALING CAPABILITY
BOLT CIRCLE HOLE QUANTITY: 2
FLANGE THICKNESS: 0.313 INCHES NOMINAL IN
MATERIAL: ALUMINUM
INVERTED RADIUS: 0.250 INCHES NOMINAL IN
MOUNTING OPENING SHAPE STYLE: UNTHREADED HOLE
TECHNICAL CHARACTERISTICS (FLIS)
DISTANCE BETWEEN HOLES ALONG LENGTH1.813 INCHES NOMINAL IN
INSIDE ANGLE45.0 DEGREES NOMINAL
FEATURES PROVIDEDSEALING CAPABILITY
BOLT CIRCLE HOLE QUANTITY2
FLANGE THICKNESS0.313 INCHES NOMINAL IN
MATERIALALUMINUM
INVERTED RADIUS0.250 INCHES NOMINAL IN
MOUNTING OPENING SHAPE STYLEUNTHREADED HOLE
SECURING DEVICE TYPETHREADED FASTENER
FIRST RECESS INSIDE HEIGHT0.656 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 17
25747Upgraded Successor
successor cross-reference
successor
25986Upgraded Successor
successor cross-reference
successor
0020632Upgraded Successor
successor cross-reference
successor
025747Interchangeable
interchangeable cross-reference
interchangeable
134635-0001Interchangeable
interchangeable cross-reference
interchangeable
N8815AInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is BM25747?
BM25747 is a COVER,ACCESS.
What parts can replace BM25747?
There are 17 known substitutes for BM25747: 25747, 25986, 0020632 and 14 more. Substitute compatibility should be verified for your specific system.
Is BM25747 still available?
BM25747 is currently cancelled.
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