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6G3691 — COVER,ACCESS

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

6G3691: COVER,ACCESS.

The COVER,ACCESS is a the manufacturer industrial component. Key specifications include width: 806.0 MILLIMETERS NOMINAL MM, length: 905.0 MILLIMETERS NOMINAL MM, material: STEEL, hole_diameter: 25.5 MILLIMETERS NOMINAL MM, body_thickness: 3.5 MILLIMETERS NOMINAL MM, cross-sectional_shape_style: FLAT. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-150-9809, 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
6G3691
NSN: 5340-01-150-9809
FSC: 5340 — Hardware, Commercial
CAGE: 11083 — CATERPILLAR INC DIV CATERPILLAR DEFENSE (USA)
SPECIFICATIONS
width806.0 MILLIMETERS NOMINAL MM
length905.0 MILLIMETERS NOMINAL MM
materialSTEEL
hole_diameter25.5 MILLIMETERS NOMINAL MM
body_thickness3.5 MILLIMETERS NOMINAL MM
cross-sectional_shape_styleFLAT
mounting_opening_shape_styleUNTHREADED HOLE
distance_between_holes_along_width27.43 MILLIMETERS NOMINAL MM
material_document_and_classification1E357 FSCM 11083 MFR REF SINGLE MATERIAL RESPONSE
NSN5340-01-150-9809
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 6G3691 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: 905.0 MILLIMETERS NOMINAL MM
•
DISTANCE BETWEEN HOLES ALONG WIDTH: 27.43 MILLIMETERS NOMINAL MM
•
MOUNTING OPENING SHAPE STYLE: UNTHREADED HOLE
•
MATERIAL DOCUMENT AND CLASSIFICATION: 1E357 FSCM 11083 MFR REF SINGLE MATERIAL RESPONSE
•
CROSS-SECTIONAL SHAPE STYLE: FLAT
•
WIDTH: 806.0 MILLIMETERS NOMINAL MM
•
MATERIAL: STEEL
•
HOLE DIAMETER: 25.5 MILLIMETERS NOMINAL MM
TECHNICAL CHARACTERISTICS
LENGTH905.0 MILLIMETERS NOMINAL MM
DISTANCE BETWEEN HOLES ALONG WIDTH27.43 MILLIMETERS NOMINAL MM
MOUNTING OPENING SHAPE STYLEUNTHREADED HOLE
MATERIAL DOCUMENT AND CLASSIFICATION1E357 FSCM 11083 MFR REF SINGLE MATERIAL RESPONSE
CROSS-SECTIONAL SHAPE STYLEFLAT
WIDTH806.0 MILLIMETERS NOMINAL MM
MATERIALSTEEL
HOLE DIAMETER25.5 MILLIMETERS NOMINAL MM
BODY THICKNESS3.5 MILLIMETERS NOMINAL MM
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 6G3691?
6G3691 is a COVER,ACCESS.
What is the NSN for 6G3691?
6G3691 is cataloged in the U.S. Government catalog under NSN 5340-01-150-9809. 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.