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A51B92973-13 — COVER,ACCESS

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

A51B92973-13: COVER,ACCESS.

The COVER,ACCESS is a the manufacturer industrial component. Key specifications include width: 5.920 INCHES NOMINAL IN, length: 5.920 INCHES NOMINAL IN, material: ALUMINUM ALLOY 357.0, corner_radius: 2.000 INCHES NOMINAL IN, hole_diameter: 0.313 INCHES MINIMUM AND 0.317 INCHES MAXIMUM IN, body_thickness: 0.180 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-282-4818, 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
A51B92973-13
NSN: 5340-01-282-4818
FSC: 5340 — Hardware, Commercial
CAGE: 79RG9 — NORTHROP GRUMMAN SYSTEMS CORPORATION (USA)
SPECIFICATIONS
width5.920 INCHES NOMINAL IN
length5.920 INCHES NOMINAL IN
materialALUMINUM ALLOY 357.0
corner_radius2.000 INCHES NOMINAL IN
hole_diameter0.313 INCHES MINIMUM AND 0.317 INCHES MAXIMUM IN
body_thickness0.180 INCHES NOMINAL IN
flange_thickness0.100 INCHES NOMINAL IN
securing_device_typeSPECIAL AND FRICTION CATCH
peripheral_shape_styleRECTANGLE, FOUR HOLES
cross-sectional_shape_styleFLAT, ROUND RIB REINFORCED
mounting_opening_shape_styleUNTHREADED HOLE
material_document_and_classificationAMS4219 ASSN STD SINGLE MATERIAL RESPONSE
NSN5340-01-282-4818
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: A51B92973-13 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: 2.000 INCHES NOMINAL IN
•
LENGTH: 5.920 INCHES NOMINAL IN
•
FLANGE THICKNESS: 0.100 INCHES NOMINAL IN
•
MOUNTING OPENING SHAPE STYLE: UNTHREADED HOLE
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS4219 ASSN STD SINGLE MATERIAL RESPONSE
•
CROSS-SECTIONAL SHAPE STYLE: FLAT, ROUND RIB REINFORCED
•
SECURING DEVICE TYPE: SPECIAL AND FRICTION CATCH
•
PERIPHERAL SHAPE STYLE: RECTANGLE, FOUR HOLES
TECHNICAL CHARACTERISTICS
CORNER RADIUS2.000 INCHES NOMINAL IN
LENGTH5.920 INCHES NOMINAL IN
FLANGE THICKNESS0.100 INCHES NOMINAL IN
MOUNTING OPENING SHAPE STYLEUNTHREADED HOLE
MATERIAL DOCUMENT AND CLASSIFICATIONAMS4219 ASSN STD SINGLE MATERIAL RESPONSE
CROSS-SECTIONAL SHAPE STYLEFLAT, ROUND RIB REINFORCED
SECURING DEVICE TYPESPECIAL AND FRICTION CATCH
PERIPHERAL SHAPE STYLERECTANGLE, FOUR HOLES
WIDTH5.920 INCHES NOMINAL IN
MATERIALALUMINUM ALLOY 357.0
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)Demilitarization required — mutilation + specific procedure
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FREQUENTLY ASKED QUESTIONS
What is A51B92973-13?
A51B92973-13 is a COVER,ACCESS.
What is the NSN for A51B92973-13?
A51B92973-13 is cataloged in the U.S. Government catalog under NSN 5340-01-282-4818. 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.