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958E354PC037 — COVER,ACCESS

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

958E354PC037: COVER,ACCESS.

The COVER,ACCESS is a the manufacturer industrial component. Key specifications include body_thickness: 0.88 INCHES NOMINAL IN, inside_diameter: 2.748 INCHES MINIMUM AND 2.749 INCHES MAXIMUM IN, outside_diameter: 8.5 INCHES NOMINAL IN, bolt_circle_diameter: 0.59 INCHES NOMINAL IN, peripheral_shape_style: ROUND, MULTI HOLES, first_recess_inside_height: 4.62 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-630-1263, 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
958E354PC037
NSN: 5340-01-630-1263
FSC: 5340 — Hardware, Commercial
CAGE: 01289 — GENERAL ELECTRIC COMPANY (USA)
SPECIFICATIONS
body_thickness0.88 INCHES NOMINAL IN
inside_diameter2.748 INCHES MINIMUM AND 2.749 INCHES MAXIMUM IN
outside_diameter8.5 INCHES NOMINAL IN
bolt_circle_diameter0.59 INCHES NOMINAL IN
peripheral_shape_styleROUND, MULTI HOLES
bolt_circle_hole_quantity6
first_recess_inside_height4.62 INCHES NOMINAL IN
cross-sectional_shape_styleCIRCULAR RECESS
part_name_assigned_by_controlling_agencyCOVER(OPER CYL.)
NSN5340-01-630-1263
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 958E354PC037 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
•
BOLT CIRCLE HOLE QUANTITY: 6
•
FIRST RECESS INSIDE HEIGHT: 4.62 INCHES NOMINAL IN
•
CROSS-SECTIONAL SHAPE STYLE: CIRCULAR RECESS
•
OUTSIDE DIAMETER: 8.5 INCHES NOMINAL IN
•
INSIDE DIAMETER: 2.748 INCHES MINIMUM AND 2.749 INCHES MAXIMUM IN
•
BOLT CIRCLE DIAMETER: 0.59 INCHES NOMINAL IN
•
PERIPHERAL SHAPE STYLE: ROUND, MULTI HOLES
TECHNICAL CHARACTERISTICS
BOLT CIRCLE HOLE QUANTITY6
FIRST RECESS INSIDE HEIGHT4.62 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLECIRCULAR RECESS
OUTSIDE DIAMETER8.5 INCHES NOMINAL IN
INSIDE DIAMETER2.748 INCHES MINIMUM AND 2.749 INCHES MAXIMUM IN
BOLT CIRCLE DIAMETER0.59 INCHES NOMINAL IN
PERIPHERAL SHAPE STYLEROUND, MULTI HOLES
PART NAME ASSIGNED BY CONTROLLING AGENCYCOVER(OPER CYL.)
BODY THICKNESS0.88 INCHES NOMINAL IN
SUBSTITUTES & CROSS-REFERENCES 1
4008G96-001Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 958E354PC037?
958E354PC037 is a COVER,ACCESS.
What parts can replace 958E354PC037?
There is 1 known substitute for 958E354PC037: 4008G96-001. Substitute compatibility should be verified for your specific system.
What is the NSN for 958E354PC037?
958E354PC037 is cataloged in the U.S. Government catalog under NSN 5340-01-630-1263. 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.