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7973751 — COVER,ACCESS

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

7973751: COVER,ACCESS.

The COVER,ACCESS is a the manufacturer industrial component. Key specifications include width: 3.250 INCHES NOMINAL IN, length: 3.500 INCHES NOMINAL IN, material: ALUMINUM ALLOY A108 OR ALUMINUM ALLOY 319.0, corner_radius: 0.250 INCHES NOMINAL IN, hole_diameter: 0.281 INCHES NOMINAL IN, body_thickness: 1.312 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-018-9157, 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
7973751
NSN: 5340-01-018-9157
FSC: 5340 — Hardware, Commercial
CAGE: 19200 — COMBAT CAPABILITIES DEVELOPMENT COMMAND (CCDC) ARMAMENTS CENTER DBA CCDC DIV LOGISTICS RESEARCH AND ENGINEERING DIRECTORATE (USA)
SPECIFICATIONS
width3.250 INCHES NOMINAL IN
length3.500 INCHES NOMINAL IN
materialALUMINUM ALLOY A108 OR ALUMINUM ALLOY 319.0
corner_radius0.250 INCHES NOMINAL IN
hole_diameter0.281 INCHES NOMINAL IN
body_thickness1.312 INCHES NOMINAL IN
special_featuresMTG HOLES HAVE 0.406 IN. DIA COUNTERBORES,TWO CORED HOLES IN UNDERSIDE OF COVER,1.375 IN. AND 1.250 IN. DIA TO A DEPTH OF 1.062 IN. IN
securing_device_typeTHREADED FASTENER
peripheral_shape_styleRECTANGLE, MULTI HOLES
hole_quantity_along_width4
hole_quantity_along_length1
cross-sectional_shape_styleFLAT
NSN5340-01-018-9157
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 7973751 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: 0.312 INCHES NOMINAL IN
•
CORNER RADIUS: 0.250 INCHES NOMINAL IN
•
LENGTH: 3.500 INCHES NOMINAL IN
•
DISTANCE BETWEEN HOLES ALONG LENGTH: 1.438 INCHES NOMINAL IN
•
HOLE QUANTITY ALONG LENGTH: 1
•
DISTANCE BETWEEN HOLES ALONG WIDTH: 1.875 INCHES NOMINAL IN
•
MOUNTING OPENING SHAPE STYLE: UNTHREADED HOLE
•
CROSS-SECTIONAL SHAPE STYLE: FLAT
TECHNICAL CHARACTERISTICS
DISTANCE FROM FIRST HOLE CENTERLINE TO END ALONG WIDTH0.312 INCHES NOMINAL IN
CORNER RADIUS0.250 INCHES NOMINAL IN
LENGTH3.500 INCHES NOMINAL IN
DISTANCE BETWEEN HOLES ALONG LENGTH1.438 INCHES NOMINAL IN
HOLE QUANTITY ALONG LENGTH1
DISTANCE BETWEEN HOLES ALONG WIDTH1.875 INCHES NOMINAL IN
MOUNTING OPENING SHAPE STYLEUNTHREADED HOLE
CROSS-SECTIONAL SHAPE STYLEFLAT
SECURING DEVICE TYPETHREADED FASTENER
HOLE QUANTITY ALONG WIDTH4
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
5340010189157Reference document
Same NSN cross-reference
Reference document — Informative reference only
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 7973751?
7973751 is a COVER,ACCESS.
What parts can replace 7973751?
There is 1 known substitute for 7973751: 5340010189157. Substitute compatibility should be verified for your specific system.
What is the NSN for 7973751?
7973751 is cataloged in the U.S. Government catalog under NSN 5340-01-018-9157. This indicates validated use in U.S. government and defense supply chains.
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