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1128AB40784-3 — COVER,ACCESS

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

1128AB40784-3: COVER,ACCESS.

The COVER,ACCESS is a the manufacturer industrial component. Key specifications include material: PLASTIC POLYCARBONATE, special_features: P/O: COVER INSTALLATION - WIRE PROTECTION, LH AFT EQUIP BAY, material_document_and_classification: G-4002A1B ASSN STD SINGLE MATERIAL RESPONSE, part_name_assigned_by_controlling_agency: COVER ASSY. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-336-3502, 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
1128AB40784-3
NSN: 5340-01-336-3502
FSC: 5340 — Hardware, Commercial
CAGE: 79RG9 — NORTHROP GRUMMAN SYSTEMS CORPORATION (USA)
SPECIFICATIONS
materialPLASTIC POLYCARBONATE
special_featuresP/O: COVER INSTALLATION - WIRE PROTECTION, LH AFT EQUIP BAY
material_document_and_classificationG-4002A1B ASSN STD SINGLE MATERIAL RESPONSE
part_name_assigned_by_controlling_agencyCOVER ASSY
NSN5340-01-336-3502
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 1128AB40784-3 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
•
MATERIAL DOCUMENT AND CLASSIFICATION: G-4002A1B ASSN STD SINGLE MATERIAL RESPONSE
•
MATERIAL: PLASTIC POLYCARBONATE
TECHNICAL CHARACTERISTICS
MATERIAL DOCUMENT AND CLASSIFICATIONG-4002A1B ASSN STD SINGLE MATERIAL RESPONSE
SPECIAL FEATURESP/O: COVER INSTALLATION - WIRE PROTECTION, LH AFT EQUIP BAY
PART NAME ASSIGNED BY CONTROLLING AGENCYCOVER ASSY
MATERIALPLASTIC POLYCARBONATE
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 1128AB40784-3?
1128AB40784-3 is a COVER,ACCESS.
What is the NSN for 1128AB40784-3?
1128AB40784-3 is cataloged in the U.S. Government catalog under NSN 5340-01-336-3502. 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.