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938556-1 — COVER,ACCESS

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

938556-1: COVER,ACCESS.

The COVER,ACCESS is a the manufacturer industrial component. Key specifications include width: 1.5100 INCHES NOMINAL IN, length: 1.7600 INCHES NOMINAL IN, material: ALUMINUM ALLOY 5052, hole_diameter: 0.1060 INCHES NOMINAL IN, body_thickness: 0.0250 INCHES NOMINAL IN, flange_thickness: 0.0250 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-412-1760, 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
938556-1
NSN: 5340-01-412-1760
FSC: 5340 — Hardware, Commercial
CAGE: 37695 — RAYTHEON COMPANY (USA)
SPECIFICATIONS
width1.5100 INCHES NOMINAL IN
length1.7600 INCHES NOMINAL IN
materialALUMINUM ALLOY 5052
hole_diameter0.1060 INCHES NOMINAL IN
body_thickness0.0250 INCHES NOMINAL IN
flange_thickness0.0250 INCHES NOMINAL IN
surface_treatmentCHROMATE
securing_device_typeSPECIAL
peripheral_shape_styleRECTANGLE, FOUR HOLES
cross-sectional_shape_styleRECESS, SAME SHAPE AS THE PERIPHERY
mounting_opening_shape_styleUNTHREADED HOLE
distance_between_holes_along_width1.2000 INCHES NOMINAL IN
NSN5340-01-412-1760
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 938556-1 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: 0.1550 INCHES NOMINAL IN
•
LENGTH: 1.7600 INCHES NOMINAL IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: MIL-C-5541, CL 1A MIL SPEC SINGLE TREATMENT RESPONSE A
•
DISTANCE BETWEEN HOLES ALONG LENGTH: 1.4500 INCHES NOMINAL IN
•
FLANGE THICKNESS: 0.0250 INCHES NOMINAL IN
•
DISTANCE BETWEEN HOLES ALONG WIDTH: 1.2000 INCHES NOMINAL IN
•
MOUNTING OPENING SHAPE STYLE: UNTHREADED HOLE
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-A-250/8 FED SPEC SINGLE MATERIAL RESPONSE
TECHNICAL CHARACTERISTICS
DISTANCE FROM FIRST HOLE CENTERLINE TO END ALONG WIDTH0.1550 INCHES NOMINAL IN
LENGTH1.7600 INCHES NOMINAL IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-C-5541, CL 1A MIL SPEC SINGLE TREATMENT RESPONSE A
DISTANCE BETWEEN HOLES ALONG LENGTH1.4500 INCHES NOMINAL IN
FLANGE THICKNESS0.0250 INCHES NOMINAL IN
DISTANCE BETWEEN HOLES ALONG WIDTH1.2000 INCHES NOMINAL IN
MOUNTING OPENING SHAPE STYLEUNTHREADED HOLE
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-250/8 FED SPEC SINGLE MATERIAL RESPONSE
CROSS-SECTIONAL SHAPE STYLERECESS, SAME SHAPE AS THE PERIPHERY
SECURING DEVICE TYPESPECIAL
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 938556-1?
938556-1 is a COVER,ACCESS.
What is the NSN for 938556-1?
938556-1 is cataloged in the U.S. Government catalog under NSN 5340-01-412-1760. This indicates validated use in U.S. government and defense supply chains.
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