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G775258 — COVER,ACCESS

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

G775258: COVER,ACCESS.

The COVER,ACCESS is a the manufacturer industrial component. Key specifications include width: 19.500 INCHES NOMINAL IN, length: 8.000 INCHES NOMINAL IN, material: GRAPHITE, corner_radius: 0.250 INCHES NOMINAL IN, body_thickness: 0.120 INCHES NOMINAL IN, securing_device_type: THREADED FASTENER. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-502-9961, 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
G775258
NSN: 5340-01-502-9961
FSC: 5340 — Hardware, Commercial
CAGE: 49956 — RAYTHEON COMPANY DIV CORP (USA)
SPECIFICATIONS
width19.500 INCHES NOMINAL IN
length8.000 INCHES NOMINAL IN
materialGRAPHITE
corner_radius0.250 INCHES NOMINAL IN
body_thickness0.120 INCHES NOMINAL IN
securing_device_typeTHREADED FASTENER
peripheral_shape_styleRECTANGLE, MULTI HOLES
hole_quantity_along_width6
cross-sectional_shape_styleFLAT
distance_between_holes_along_length3.000 INCHES NOMINAL IN
part_name_assigned_by_controlling_agencyPANEL, FAN ACCESS
distance_from_first_hole_centerline_to_end_along_length1.000 INCHES NOMINAL IN
NSN5340-01-502-9961
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: G775258 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
•
CORNER RADIUS: 0.250 INCHES NOMINAL IN
•
LENGTH: 8.000 INCHES NOMINAL IN
•
DISTANCE BETWEEN HOLES ALONG LENGTH: 3.000 INCHES NOMINAL IN
•
CROSS-SECTIONAL SHAPE STYLE: FLAT
•
SECURING DEVICE TYPE: THREADED FASTENER
•
HOLE QUANTITY ALONG WIDTH: 6
•
DISTANCE FROM FIRST HOLE CENTERLINE TO END ALONG LENGTH: 1.000 INCHES NOMINAL IN
•
PERIPHERAL SHAPE STYLE: RECTANGLE, MULTI HOLES
TECHNICAL CHARACTERISTICS
CORNER RADIUS0.250 INCHES NOMINAL IN
LENGTH8.000 INCHES NOMINAL IN
DISTANCE BETWEEN HOLES ALONG LENGTH3.000 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLEFLAT
SECURING DEVICE TYPETHREADED FASTENER
HOLE QUANTITY ALONG WIDTH6
DISTANCE FROM FIRST HOLE CENTERLINE TO END ALONG LENGTH1.000 INCHES NOMINAL IN
PERIPHERAL SHAPE STYLERECTANGLE, MULTI HOLES
WIDTH19.500 INCHES NOMINAL IN
PART NAME ASSIGNED BY CONTROLLING AGENCYPANEL, FAN ACCESS
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 G775258?
G775258 is a COVER,ACCESS.
What is the NSN for G775258?
G775258 is cataloged in the U.S. Government catalog under NSN 5340-01-502-9961. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.