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12966553 — COVER,ACCESS

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

12966553: COVER,ACCESS.

The COVER,ACCESS is a the manufacturer industrial component. Key specifications include length: 20.500 INCHES NOMINAL IN, material: ALUMINUM, special_features: 4-SLEEVE,WIRE ROPE-19207-12354582; AR-WIRE ROPE-M83420/4-002; 4-COVER-12934334-1; TERMINAL,WIRE ROPE-19207-12354581, securing_device_type: SPECIAL. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-398-4319, 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
12966553
NSN: 5340-01-398-4319
FSC: 5340 — Hardware, Commercial
CAGE: 19200 — COMBAT CAPABILITIES DEVELOPMENT COMMAND (CCDC) ARMAMENTS CENTER DBA CCDC DIV LOGISTICS RESEARCH AND ENGINEERING DIRECTORATE (USA)
SPECIFICATIONS
length20.500 INCHES NOMINAL IN
materialALUMINUM
special_features4-SLEEVE,WIRE ROPE-19207-12354582; AR-WIRE ROPE-M83420/4-002; 4-COVER-12934334-1; TERMINAL,WIRE ROPE-19207-12354581
securing_device_typeSPECIAL
NSN5340-01-398-4319
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 12966553 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: 20.500 INCHES NOMINAL IN
•
SECURING DEVICE TYPE: SPECIAL
•
MATERIAL: ALUMINUM
TECHNICAL CHARACTERISTICS
LENGTH20.500 INCHES NOMINAL IN
SECURING DEVICE TYPESPECIAL
SPECIAL FEATURES4-SLEEVE,WIRE ROPE-19207-12354582; AR-WIRE ROPE-M83420/4-002; 4-COVER-12934334-1; TERMINAL,WIRE ROPE-19207-12354581
MATERIALALUMINUM
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 12966553?
12966553 is a COVER,ACCESS.
What is the NSN for 12966553?
12966553 is cataloged in the U.S. Government catalog under NSN 5340-01-398-4319. 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.