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879934 — COVER,ACCESS

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

879934: COVER,ACCESS.

The COVER,ACCESS is a the manufacturer industrial component. Key specifications include width: 1.984 INCHES MINIMUM AND 2.000 INCHES MAXIMUM IN, length: 5.000 INCHES NOMINAL IN, material: GLASS FIBER AND PLASTIC POLYESTER, securing_device_type: SPECIAL, peripheral_shape_style: RECTANGLE, NO HOLES, first_recess_inside_height: 0.453 INCHES MINIMUM AND 0.485 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5340-00-633-7541, 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
879934
NSN: 5340-00-633-7541
FSC: 5340 — Hardware, Commercial
CAGE: 56232 — LOCKHEED MARTIN CORPORATION DIV RMS - MITCHEL FIELD (USA)
SPECIFICATIONS
width1.984 INCHES MINIMUM AND 2.000 INCHES MAXIMUM IN
length5.000 INCHES NOMINAL IN
materialGLASS FIBER AND PLASTIC POLYESTER
securing_device_typeSPECIAL
peripheral_shape_styleRECTANGLE, NO HOLES
first_recess_inside_height0.453 INCHES MINIMUM AND 0.485 INCHES MAXIMUM IN
NSN5340-00-633-7541
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 879934 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
•
FIRST RECESS INSIDE HEIGHT: 0.453 INCHES MINIMUM AND 0.485 INCHES MAXIMUM IN
•
SECURING DEVICE TYPE: SPECIAL
•
PERIPHERAL SHAPE STYLE: RECTANGLE, NO HOLES
•
WIDTH: 1.984 INCHES MINIMUM AND 2.000 INCHES MAXIMUM IN
•
MATERIAL: GLASS FIBER AND PLASTIC POLYESTER
TECHNICAL CHARACTERISTICS
LENGTH5.000 INCHES NOMINAL IN
FIRST RECESS INSIDE HEIGHT0.453 INCHES MINIMUM AND 0.485 INCHES MAXIMUM IN
SECURING DEVICE TYPESPECIAL
PERIPHERAL SHAPE STYLERECTANGLE, NO HOLES
WIDTH1.984 INCHES MINIMUM AND 2.000 INCHES MAXIMUM IN
MATERIALGLASS FIBER AND PLASTIC POLYESTER
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: Terminal item — no further procurement; issued until stock is exhaustedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 879934?
879934 is a COVER,ACCESS.
What is the NSN for 879934?
879934 is cataloged in the U.S. Government catalog under NSN 5340-00-633-7541. This indicates validated use in U.S. government and defense supply chains.
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