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B1333C — COVER,ACCESS

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

B1333C: COVER,ACCESS.

The COVER,ACCESS is a the manufacturer industrial component. Key specifications include width: 2.818 INCHES NOMINAL IN, length: 2.700 INCHES NOMINAL IN, material: STEEL, corner_radius: 0.440 INCHES NOMINAL IN, body_thickness: 0.375 INCHES NOMINAL IN, special_features: ONE LOBE CENTRALLY LOCATED ALONG LG; 0.500 IN. RADIUS IN.

This part is cataloged in the U.S. Government catalog under NSN 5340-00-832-8049, 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
B1333C
NSN: 5340-00-832-8049
FSC: 5340 — Hardware, Commercial
CAGE: 61208 — TWIN DISC, INCORPORATED DBA TWIN DISC MID-ATLANTIC (USA)
SPECIFICATIONS
width2.818 INCHES NOMINAL IN
length2.700 INCHES NOMINAL IN
materialSTEEL
corner_radius0.440 INCHES NOMINAL IN
body_thickness0.375 INCHES NOMINAL IN
special_featuresONE LOBE CENTRALLY LOCATED ALONG LG; 0.500 IN. RADIUS IN
securing_device_typeTHREADED FASTENER
peripheral_shape_styleRECTANGLE, FOUR HOLES
cross-sectional_shape_styleFLAT
distance_between_holes_along_width1.938 INCHES NOMINAL IN
distance_between_holes_along_length1.125 INCHES NOMINAL IN
distance_from_first_hole_centerline_to_end_along_width0.440 INCHES NOMINAL IN
NSN5340-00-832-8049
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: B1333C 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: 0.440 INCHES NOMINAL IN
•
CORNER RADIUS: 0.440 INCHES NOMINAL IN
•
LENGTH: 2.700 INCHES NOMINAL IN
•
DISTANCE BETWEEN HOLES ALONG LENGTH: 1.125 INCHES NOMINAL IN
•
DISTANCE BETWEEN HOLES ALONG WIDTH: 1.938 INCHES NOMINAL IN
•
CROSS-SECTIONAL SHAPE STYLE: FLAT
•
SECURING DEVICE TYPE: THREADED FASTENER
•
DISTANCE FROM FIRST HOLE CENTERLINE TO END ALONG LENGTH: 0.375 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
DISTANCE FROM FIRST HOLE CENTERLINE TO END ALONG WIDTH0.440 INCHES NOMINAL IN
CORNER RADIUS0.440 INCHES NOMINAL IN
LENGTH2.700 INCHES NOMINAL IN
DISTANCE BETWEEN HOLES ALONG LENGTH1.125 INCHES NOMINAL IN
DISTANCE BETWEEN HOLES ALONG WIDTH1.938 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLEFLAT
SECURING DEVICE TYPETHREADED FASTENER
DISTANCE FROM FIRST HOLE CENTERLINE TO END ALONG LENGTH0.375 INCHES NOMINAL IN
SPECIAL FEATURESONE LOBE CENTRALLY LOCATED ALONG LG; 0.500 IN. RADIUS IN
PERIPHERAL SHAPE STYLERECTANGLE, FOUR HOLES
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 B1333C?
B1333C is a COVER,ACCESS.
What is the NSN for B1333C?
B1333C is cataloged in the U.S. Government catalog under NSN 5340-00-832-8049. 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.