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12316551 — COVER,ACCESS

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

12316551: COVER,ACCESS.

The COVER,ACCESS is a the manufacturer industrial component. Key specifications include material: STEEL, body_thickness: 0.119 INCHES NOMINAL IN, outside_diameter: 2.250 INCHES NOMINAL IN, securing_device_type: SPECIAL, peripheral_shape_style: ROUND, ONE HOLE, cross-sectional_shape_style: FLAT. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-171-4736, 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
12316551
NSN: 5340-01-171-4736
FSC: 5340 — Hardware, Commercial
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)
SPECIFICATIONS
materialSTEEL
body_thickness0.119 INCHES NOMINAL IN
outside_diameter2.250 INCHES NOMINAL IN
securing_device_typeSPECIAL
peripheral_shape_styleROUND, ONE HOLE
cross-sectional_shape_styleFLAT
bolt_hole_centerline_to_nearest_edge_distance1.125 INCHES NOMINAL IN
NSN5340-01-171-4736
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 12316551 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
•
CROSS-SECTIONAL SHAPE STYLE: FLAT
•
OUTSIDE DIAMETER: 2.250 INCHES NOMINAL IN
•
BOLT HOLE CENTERLINE TO NEAREST EDGE DISTANCE: 1.125 INCHES NOMINAL IN
•
SECURING DEVICE TYPE: SPECIAL
•
PERIPHERAL SHAPE STYLE: ROUND, ONE HOLE
•
MATERIAL: STEEL
•
BODY THICKNESS: 0.119 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL SHAPE STYLEFLAT
OUTSIDE DIAMETER2.250 INCHES NOMINAL IN
BOLT HOLE CENTERLINE TO NEAREST EDGE DISTANCE1.125 INCHES NOMINAL IN
SECURING DEVICE TYPESPECIAL
PERIPHERAL SHAPE STYLEROUND, ONE HOLE
MATERIALSTEEL
BODY THICKNESS0.119 INCHES NOMINAL 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

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 12316551?
12316551 is a COVER,ACCESS.
What is the NSN for 12316551?
12316551 is cataloged in the U.S. Government catalog under NSN 5340-01-171-4736. 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.