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3283451-1 — COVER,ACCESS

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

3283451-1: COVER,ACCESS.

The COVER,ACCESS is a the manufacturer industrial component. Key specifications include width: 0.650 INCHES NOMINAL IN, length: 1.650 INCHES NOMINAL IN, material: ALUMINUM, body_thickness: 0.350 INCHES NOMINAL IN, special_features: CENTER HOLE DRILLED .270 IN.DEEP,.187 IN.DIA IN, securing_device_type: SPECIAL. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-155-2968, 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
3283451-1
NSN: 5340-01-155-2968
FSC: 5340 — Hardware, Commercial
CAGE: 84955 — KAMAN AEROSPACE CORPORATION DBA AIR VEHICLES & MRO DIVISION (USA)
SPECIFICATIONS
width0.650 INCHES NOMINAL IN
length1.650 INCHES NOMINAL IN
materialALUMINUM
body_thickness0.350 INCHES NOMINAL IN
special_featuresCENTER HOLE DRILLED .270 IN.DEEP,.187 IN.DIA IN
securing_device_typeSPECIAL
peripheral_shape_styleRECTANGLE, MULTI HOLES
hole_quantity_along_length3
cross-sectional_shape_styleFLAT
distance_between_holes_along_length1.000 INCHES NOMINAL IN
distance_from_first_hole_centerline_to_end_along_width0.320 INCHES NOMINAL IN
distance_from_first_hole_centerline_to_end_along_length0.320 INCHES NOMINAL IN
NSN5340-01-155-2968
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 3283451-1 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: 0.320 INCHES NOMINAL IN
•
LENGTH: 1.650 INCHES NOMINAL IN
•
DISTANCE BETWEEN HOLES ALONG LENGTH: 1.000 INCHES NOMINAL IN
•
HOLE QUANTITY ALONG LENGTH: 3
•
CROSS-SECTIONAL SHAPE STYLE: FLAT
•
SECURING DEVICE TYPE: SPECIAL
•
DISTANCE FROM FIRST HOLE CENTERLINE TO END ALONG LENGTH: 0.320 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
DISTANCE FROM FIRST HOLE CENTERLINE TO END ALONG WIDTH0.320 INCHES NOMINAL IN
LENGTH1.650 INCHES NOMINAL IN
DISTANCE BETWEEN HOLES ALONG LENGTH1.000 INCHES NOMINAL IN
HOLE QUANTITY ALONG LENGTH3
CROSS-SECTIONAL SHAPE STYLEFLAT
SECURING DEVICE TYPESPECIAL
DISTANCE FROM FIRST HOLE CENTERLINE TO END ALONG LENGTH0.320 INCHES NOMINAL IN
SPECIAL FEATURESCENTER HOLE DRILLED .270 IN.DEEP,.187 IN.DIA IN
PERIPHERAL SHAPE STYLERECTANGLE, MULTI HOLES
WIDTH0.650 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: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 3283451-1?
3283451-1 is a COVER,ACCESS.
What is the NSN for 3283451-1?
3283451-1 is cataloged in the U.S. Government catalog under NSN 5340-01-155-2968. 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.