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7743861 — COVER,ACCESS

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

7743861: COVER,ACCESS.

The COVER,ACCESS is a the manufacturer industrial component. Key specifications include width: 4.000 INCHES NOMINAL IN, length: 5.000 INCHES NOMINAL IN, hole_diameter: 0.279 INCHES MINIMUM AND 0.283 INCHES MAXIMUM IN, body_thickness: 0.057 INCHES MINIMUM AND 0.067 INCHES MAXIMUM IN, cross-sectional_shape_style: FLAT, mounting_opening_shape_style: UNTHREADED HOLE. This part is cataloged in the U.S.

Government catalog under NSN 5340-00-699-7714, 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
7743861
NSN: 5340-00-699-7714
FSC: 5340 — Hardware, Commercial
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)
SPECIFICATIONS
width4.000 INCHES NOMINAL IN
length5.000 INCHES NOMINAL IN
hole_diameter0.279 INCHES MINIMUM AND 0.283 INCHES MAXIMUM IN
body_thickness0.057 INCHES MINIMUM AND 0.067 INCHES MAXIMUM IN
cross-sectional_shape_styleFLAT
mounting_opening_shape_styleUNTHREADED HOLE
NSN5340-00-699-7714
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 7743861 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: 5.000 INCHES NOMINAL IN
•
MOUNTING OPENING SHAPE STYLE: UNTHREADED HOLE
•
CROSS-SECTIONAL SHAPE STYLE: FLAT
•
WIDTH: 4.000 INCHES NOMINAL IN
•
HOLE DIAMETER: 0.279 INCHES MINIMUM AND 0.283 INCHES MAXIMUM IN
•
BODY THICKNESS: 0.057 INCHES MINIMUM AND 0.067 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
LENGTH5.000 INCHES NOMINAL IN
MOUNTING OPENING SHAPE STYLEUNTHREADED HOLE
CROSS-SECTIONAL SHAPE STYLEFLAT
WIDTH4.000 INCHES NOMINAL IN
HOLE DIAMETER0.279 INCHES MINIMUM AND 0.283 INCHES MAXIMUM IN
BODY THICKNESS0.057 INCHES MINIMUM AND 0.067 INCHES MAXIMUM 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
1543424Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 7743861?
7743861 is a COVER,ACCESS.
What parts can replace 7743861?
There is 1 known substitute for 7743861: 1543424. Substitute compatibility should be verified for your specific system.
What is the NSN for 7743861?
7743861 is cataloged in the U.S. Government catalog under NSN 5340-00-699-7714. This indicates validated use in U.S. government and defense supply chains.
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