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5248-899 — COVER,ACCESS

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

5248-899: COVER,ACCESS.

The COVER,ACCESS is a the manufacturer industrial component. Key specifications include width: 5.250 INCHES NOMINAL IN, length: 5.700 INCHES NOMINAL IN, material: ALUMINUM ALLOY 5052, body_thickness: 0.050 INCHES NOMINAL IN, inside_diameter: 4.250 INCHES NOMINAL IN, flange_thickness: 0.050 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-162-6060, 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
5248-899
NSN: 5340-01-162-6060
FSC: 5340 — Hardware, Commercial
CAGE: 05869 — RAYTHEON COMPANY DIV RMD STRATEGIC (USA)
SPECIFICATIONS
width5.250 INCHES NOMINAL IN
length5.700 INCHES NOMINAL IN
materialALUMINUM ALLOY 5052
body_thickness0.050 INCHES NOMINAL IN
inside_diameter4.250 INCHES NOMINAL IN
flange_thickness0.050 INCHES NOMINAL IN
surface_treatmentCHROMATE
peripheral_shape_styleRECTANGLE, MULTI HOLES
first_recess_inside_height0.530 INCHES NOMINAL IN
hole_quantity_along_length10
cross-sectional_shape_styleCIRCULAR RECESS
distance_between_holes_along_length0.900 INCHES NOMINAL AND 0.800 INCHES NOMINAL AND 1.300 INCHES NOMINAL AND 0.850 INCHES NOMINAL IN
NSN5340-01-162-6060
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 5248-899 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 FROM FIRST HOLE CENTERLINE TO END ALONG WIDTH: 0.200 INCHES NOMINAL IN
•
LENGTH: 5.700 INCHES NOMINAL IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: MIL-C-5541 MIL SPEC SINGLE TREATMENT RESPONSE
•
DISTANCE BETWEEN HOLES ALONG LENGTH: 0.900 INCHES NOMINAL AND 0.800 INCHES NOMINAL AND 1.300 INCHES NOMINAL AND 0.850 INCHES NOMINAL IN
•
FLANGE THICKNESS: 0.050 INCHES NOMINAL IN
•
FIRST RECESS INSIDE HEIGHT: 0.530 INCHES NOMINAL IN
•
HOLE QUANTITY ALONG LENGTH: 10
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-A-250/8,H32 FED SPEC SINGLE MATERIAL RESPONSE
TECHNICAL CHARACTERISTICS
DISTANCE FROM FIRST HOLE CENTERLINE TO END ALONG WIDTH0.200 INCHES NOMINAL IN
LENGTH5.700 INCHES NOMINAL IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-C-5541 MIL SPEC SINGLE TREATMENT RESPONSE
DISTANCE BETWEEN HOLES ALONG LENGTH0.900 INCHES NOMINAL AND 0.800 INCHES NOMINAL AND 1.300 INCHES NOMINAL AND 0.850 INCHES NOMINAL IN
FLANGE THICKNESS0.050 INCHES NOMINAL IN
FIRST RECESS INSIDE HEIGHT0.530 INCHES NOMINAL IN
HOLE QUANTITY ALONG LENGTH10
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-250/8,H32 FED SPEC SINGLE MATERIAL RESPONSE
CROSS-SECTIONAL SHAPE STYLECIRCULAR RECESS
INSIDE DIAMETER4.250 INCHES NOMINAL IN
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
821-467Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Semi-active item — no replacement plannedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 5248-899?
5248-899 is a COVER,ACCESS.
What parts can replace 5248-899?
There is 1 known substitute for 5248-899: 821-467. Substitute compatibility should be verified for your specific system.
What is the NSN for 5248-899?
5248-899 is cataloged in the U.S. Government catalog under NSN 5340-01-162-6060. This indicates validated use in U.S. government and defense supply chains.
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