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12561787 — COVER,ACCESS

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

12561787: COVER,ACCESS.

The COVER,ACCESS is a the manufacturer industrial component. Key specifications include width: 2.624 INCHES MINIMUM AND 2.674 INCHES MAXIMUM IN, length: 3.400 INCHES MINIMUM AND 3.450 INCHES MAXIMUM IN, material: NICKEL ALLOY, hole_diameter: 0.212 INCHES MINIMUM AND 0.219 INCHES MAXIMUM IN, body_thickness: 0.062 INCHES NOMINAL IN, flange_thickness: 0.062 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-323-1196, 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
12561787
NSN: 5340-01-323-1196
FSC: 5340 — Hardware, Commercial
CAGE: 19200 — COMBAT CAPABILITIES DEVELOPMENT COMMAND (CCDC) ARMAMENTS CENTER DBA CCDC DIV LOGISTICS RESEARCH AND ENGINEERING DIRECTORATE (USA)
SPECIFICATIONS
width2.624 INCHES MINIMUM AND 2.674 INCHES MAXIMUM IN
length3.400 INCHES MINIMUM AND 3.450 INCHES MAXIMUM IN
materialNICKEL ALLOY
hole_diameter0.212 INCHES MINIMUM AND 0.219 INCHES MAXIMUM IN
body_thickness0.062 INCHES NOMINAL IN
flange_thickness0.062 INCHES NOMINAL IN
surface_treatmentPAINT
securing_device_typeSPECIAL
peripheral_shape_styleRECTANGLE, FOUR HOLES
end_item_identification2350-01-305-0028;M109A6
first_recess_inside_height1.700 INCHES MINIMUM AND 1.750 INCHES MAXIMUM IN
cross-sectional_shape_styleRECESS, SAME SHAPE AS THE PERIPHERY
NSN5340-01-323-1196
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 12561787 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
•
DISTANCE FROM FIRST HOLE CENTERLINE TO END ALONG WIDTH: 0.375 INCHES NOMINAL IN
•
LENGTH: 3.400 INCHES MINIMUM AND 3.450 INCHES MAXIMUM IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: TT-E-489 FED SPEC SINGLE TREATMENT RESPONSE
•
DISTANCE BETWEEN HOLES ALONG LENGTH: 2.000 INCHES NOMINAL IN
•
FLANGE THICKNESS: 0.062 INCHES NOMINAL IN
•
FIRST RECESS INSIDE HEIGHT: 1.700 INCHES MINIMUM AND 1.750 INCHES MAXIMUM IN
•
DISTANCE BETWEEN HOLES ALONG WIDTH: 1.750 INCHES NOMINAL IN
•
MOUNTING OPENING SHAPE STYLE: UNTHREADED HOLE
TECHNICAL CHARACTERISTICS
DISTANCE FROM FIRST HOLE CENTERLINE TO END ALONG WIDTH0.375 INCHES NOMINAL IN
LENGTH3.400 INCHES MINIMUM AND 3.450 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONTT-E-489 FED SPEC SINGLE TREATMENT RESPONSE
DISTANCE BETWEEN HOLES ALONG LENGTH2.000 INCHES NOMINAL IN
FLANGE THICKNESS0.062 INCHES NOMINAL IN
FIRST RECESS INSIDE HEIGHT1.700 INCHES MINIMUM AND 1.750 INCHES MAXIMUM IN
DISTANCE BETWEEN HOLES ALONG WIDTH1.750 INCHES NOMINAL IN
MOUNTING OPENING SHAPE STYLEUNTHREADED HOLE
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-N-14411 MIL SPEC SINGLE MATERIAL RESPONSE
CROSS-SECTIONAL SHAPE STYLERECESS, SAME SHAPE AS THE PERIPHERY
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 12561787?
12561787 is a COVER,ACCESS.
What is the NSN for 12561787?
12561787 is cataloged in the U.S. Government catalog under NSN 5340-01-323-1196. This indicates validated use in U.S. government and defense supply chains.
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