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1551AS552-1 — COVER,ACCESS

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

1551AS552-1: COVER,ACCESS.

The COVER,ACCESS is a the manufacturer industrial component. Key specifications include width: 8.750 INCHES NOMINAL IN, length: 12.190 INCHES NOMINAL IN, material: ALUMINUM ALLOY 5052, inside_width: 7.812 INCHES NOMINAL IN, inside_length: 11.562 INCHES NOMINAL IN, body_thickness: 0.063 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-307-7944, 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
1551AS552-1
NSN: 5340-01-307-7944
FSC: 5340 — Hardware, Commercial
CAGE: 30003 — NAVAL AIR SYSTEMS COMMAND MANAGED ORIGINAL DESIGN ACTIVITY NOT MATERIAL/PARTS SUPPLIER (USA)
SPECIFICATIONS
width8.750 INCHES NOMINAL IN
length12.190 INCHES NOMINAL IN
materialALUMINUM ALLOY 5052
inside_width7.812 INCHES NOMINAL IN
inside_length11.562 INCHES NOMINAL IN
body_thickness0.063 INCHES NOMINAL IN
flange_thickness0.063 INCHES NOMINAL IN
surface_treatmentCHROMATE
inside_corner_radius0.060 INCHES NOMINAL IN
securing_device_typeSPECIAL
first_recess_inside_height1.127 INCHES NOMINAL IN
cross-sectional_shape_styleSQUARE OR RECTANGULAR RECESS
NSN5340-01-307-7944
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 1551AS552-1 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
•
INSIDE WIDTH: 7.812 INCHES NOMINAL IN
•
LENGTH: 12.190 INCHES NOMINAL IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: MIL-C-5541 MIL SPEC SINGLE TREATMENT RESPONSE
•
INSIDE LENGTH: 11.562 INCHES NOMINAL IN
•
FLANGE THICKNESS: 0.063 INCHES NOMINAL IN
•
INSIDE CORNER RADIUS: 0.060 INCHES NOMINAL IN
•
FIRST RECESS INSIDE HEIGHT: 1.127 INCHES NOMINAL IN
•
MOUNTING OPENING SHAPE STYLE: UNTHREADED HOLE
TECHNICAL CHARACTERISTICS
INSIDE WIDTH7.812 INCHES NOMINAL IN
LENGTH12.190 INCHES NOMINAL IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-C-5541 MIL SPEC SINGLE TREATMENT RESPONSE
INSIDE LENGTH11.562 INCHES NOMINAL IN
FLANGE THICKNESS0.063 INCHES NOMINAL IN
INSIDE CORNER RADIUS0.060 INCHES NOMINAL IN
FIRST RECESS INSIDE HEIGHT1.127 INCHES NOMINAL IN
MOUNTING OPENING SHAPE STYLEUNTHREADED HOLE
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-250/8,TEMPER H32 FED SPEC SINGLE MATERIAL RESPONSE
CROSS-SECTIONAL SHAPE STYLESQUARE OR RECTANGULAR RECESS
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 1551AS552-1?
1551AS552-1 is a COVER,ACCESS.
What is the NSN for 1551AS552-1?
1551AS552-1 is cataloged in the U.S. Government catalog under NSN 5340-01-307-7944. This indicates validated use in U.S. government and defense supply chains.
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