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74A321421-1045 — COVER,ACCESS

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

74A321421-1045: COVER,ACCESS.

The COVER,ACCESS is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY, securing_device_type: THREADED FASTENER, end_item_identification: AIRCRAFT MODEL F-18, mounting_opening_shape_style: UNTHREADED HOLE, material_document_and_classification: MMS-1420,COND T-73651 ASSN STD SINGLE MATERIAL RESPONSE. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-154-4766, 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
74A321421-1045
NSN: 5340-01-154-4766
FSC: 5340 — Hardware, Commercial
CAGE: 76823 — NORTHROP GRUMMAN SYSTEMS CORPORATION DBA NORTHROP GRUMMAN IS DIV NORTHROP GRUMMAN AERONAUTICS SYSTEMS (USA)
SPECIFICATIONS
materialALUMINUM ALLOY
securing_device_typeTHREADED FASTENER
end_item_identificationAIRCRAFT MODEL F-18
mounting_opening_shape_styleUNTHREADED HOLE
material_document_and_classificationMMS-1420,COND T-73651 ASSN STD SINGLE MATERIAL RESPONSE
NSN5340-01-154-4766
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 74A321421-1045 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
•
MOUNTING OPENING SHAPE STYLE: UNTHREADED HOLE
•
MATERIAL DOCUMENT AND CLASSIFICATION: MMS-1420,COND T-73651 ASSN STD SINGLE MATERIAL RESPONSE
•
SECURING DEVICE TYPE: THREADED FASTENER
•
MATERIAL: ALUMINUM ALLOY
TECHNICAL CHARACTERISTICS
MOUNTING OPENING SHAPE STYLEUNTHREADED HOLE
MATERIAL DOCUMENT AND CLASSIFICATIONMMS-1420,COND T-73651 ASSN STD SINGLE MATERIAL RESPONSE
SECURING DEVICE TYPETHREADED FASTENER
END ITEM IDENTIFICATIONAIRCRAFT MODEL F-18
MATERIALALUMINUM ALLOY
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 — critical (Q)
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FREQUENTLY ASKED QUESTIONS
What is 74A321421-1045?
74A321421-1045 is a COVER,ACCESS.
What is the NSN for 74A321421-1045?
74A321421-1045 is cataloged in the U.S. Government catalog under NSN 5340-01-154-4766. This indicates validated use in U.S. government and defense supply chains.
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