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3263912 — COVER,ACCESS

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

3263912: COVER,ACCESS.

The COVER,ACCESS is a the manufacturer industrial component. Key specifications include width: 13.031 INCHES NOMINAL IN, length: 10.875 INCHES NOMINAL IN, material: STEEL COMP 1008, corner_radius: 2.438 INCHES NOMINAL IN, flange_thickness: 0.125 INCHES NOMINAL IN, features_provided: SEALING CAPABILITY. This part is cataloged in the U.S.

Government catalog under NSN 5340-00-377-3017, 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
3263912
NSN: 5340-00-377-3017
FSC: 5340 — Hardware, Commercial
CAGE: 55380 — HATCH & KIRK, INC. (USA)
SPECIFICATIONS
width13.031 INCHES NOMINAL IN
length10.875 INCHES NOMINAL IN
materialSTEEL COMP 1008
corner_radius2.438 INCHES NOMINAL IN
flange_thickness0.125 INCHES NOMINAL IN
features_providedSEALING CAPABILITY
securing_device_typeTHREADED FASTENER
peripheral_shape_styleRECTANGLE, ONE CENTER HOLE
first_recess_inside_height1.188 INCHES NOMINAL IN
cross-sectional_shape_styleOBLONG RECESS
mounting_opening_shape_styleUNTHREADED HOLE
material_document_and_classificationFED STD 66 FED STD SINGLE MATERIAL RESPONSE
NSN5340-00-377-3017
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 3263912 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
•
CORNER RADIUS: 2.438 INCHES NOMINAL IN
•
LENGTH: 10.875 INCHES NOMINAL IN
•
FLANGE THICKNESS: 0.125 INCHES NOMINAL IN
•
FIRST RECESS INSIDE HEIGHT: 1.188 INCHES NOMINAL IN
•
MOUNTING OPENING SHAPE STYLE: UNTHREADED HOLE
•
MATERIAL DOCUMENT AND CLASSIFICATION: FED STD 66 FED STD SINGLE MATERIAL RESPONSE
•
CROSS-SECTIONAL SHAPE STYLE: OBLONG RECESS
•
FEATURES PROVIDED: SEALING CAPABILITY
TECHNICAL CHARACTERISTICS
CORNER RADIUS2.438 INCHES NOMINAL IN
LENGTH10.875 INCHES NOMINAL IN
FLANGE THICKNESS0.125 INCHES NOMINAL IN
FIRST RECESS INSIDE HEIGHT1.188 INCHES NOMINAL IN
MOUNTING OPENING SHAPE STYLEUNTHREADED HOLE
MATERIAL DOCUMENT AND CLASSIFICATIONFED STD 66 FED STD SINGLE MATERIAL RESPONSE
CROSS-SECTIONAL SHAPE STYLEOBLONG RECESS
FEATURES PROVIDEDSEALING CAPABILITY
SECURING DEVICE TYPETHREADED FASTENER
DISTANCE FROM FIRST HOLE CENTERLINE TO END ALONG LENGTH5.438 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 1
B3142124AReference document
Same NSN cross-reference
Reference document — Secondary reference
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 3263912?
3263912 is a COVER,ACCESS.
What parts can replace 3263912?
There is 1 known substitute for 3263912: B3142124A. Substitute compatibility should be verified for your specific system.
What is the NSN for 3263912?
3263912 is cataloged in the U.S. Government catalog under NSN 5340-00-377-3017. 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.