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7974887 — COVER,ACCESS

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

7974887: COVER,ACCESS.

The COVER,ACCESS is a the manufacturer industrial component. Key specifications include width: 9.438 INCHES NOMINAL IN, length: 8.250 INCHES NOMINAL IN, material: IRON MALLEABLE, ear_radius: 0.438 INCHES NOMINAL IN, hole_diameter: 0.312 INCHES NOMINAL IN, body_thickness: 0.400 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5340-00-893-4100, 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
7974887
NSN: 5340-00-893-4100
FSC: 5340 — Hardware, Commercial
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)
SPECIFICATIONS
width9.438 INCHES NOMINAL IN
length8.250 INCHES NOMINAL IN
materialIRON MALLEABLE
ear_radius0.438 INCHES NOMINAL IN
hole_diameter0.312 INCHES NOMINAL IN
body_thickness0.400 INCHES NOMINAL IN
inverted_radius0.375 INCHES NOMINAL IN
surface_treatmentPAINT
inside_corner_radius2.781 INCHES NOMINAL IN
securing_device_typeTHREADED FASTENER
hole_quantity_along_width4
first_recess_inside_height1.188 INCHES NOMINAL IN
NSN5340-00-893-4100
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 7974887 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
•
LENGTH: 8.250 INCHES NOMINAL IN
•
DISTANCE BETWEEN HOLES ALONG LENGTH: 6.875 INCHES NOMINAL IN
•
INSIDE CORNER RADIUS: 2.781 INCHES NOMINAL IN
•
FIRST RECESS INSIDE HEIGHT: 1.188 INCHES NOMINAL IN
•
DISTANCE BETWEEN HOLES ALONG WIDTH: 5.750 INCHES MINIMUM AND 6.188 INCHES MAXIMUM IN
•
EAR RADIUS: 0.438 INCHES NOMINAL IN
•
MOUNTING OPENING SHAPE STYLE: UNTHREADED HOLE
•
CROSS-SECTIONAL SHAPE STYLE: SQUARE OR RECTANGULAR RECESS
TECHNICAL CHARACTERISTICS
LENGTH8.250 INCHES NOMINAL IN
DISTANCE BETWEEN HOLES ALONG LENGTH6.875 INCHES NOMINAL IN
INSIDE CORNER RADIUS2.781 INCHES NOMINAL IN
FIRST RECESS INSIDE HEIGHT1.188 INCHES NOMINAL IN
DISTANCE BETWEEN HOLES ALONG WIDTH5.750 INCHES MINIMUM AND 6.188 INCHES MAXIMUM IN
EAR RADIUS0.438 INCHES NOMINAL IN
MOUNTING OPENING SHAPE STYLEUNTHREADED HOLE
CROSS-SECTIONAL SHAPE STYLESQUARE OR RECTANGULAR RECESS
INVERTED RADIUS0.375 INCHES NOMINAL IN
SECURING DEVICE TYPETHREADED FASTENER
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: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 7974887?
7974887 is a COVER,ACCESS.
What is the NSN for 7974887?
7974887 is cataloged in the U.S. Government catalog under NSN 5340-00-893-4100. This indicates validated use in U.S. government and defense supply chains.
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