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74A450687 — SEAL,COVER,LOWER STEERING GEAR

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

74A450687: SEAL,COVER,LOWER STEERING GEAR.

The SEAL,COVER,LOWER STEERING GEAR is a the manufacturer industrial component. Key specifications include general_characteristics_item_description: PLASTIC PER AMS 3653; 8.492 IN. OD; 8.080 IN.

ID; 0.206 IN. THK IN. This part is cataloged in the U.S.

Government catalog under NSN 5330-01-107-6819, 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
74A450687
NSN: 5330-01-107-6819
FSC: 5330 — Packing and Gasket Materials
CAGE: 76301 — THE BOEING COMPANY DIV DEFENSE (USA)
SPECIFICATIONS
general_characteristics_item_descriptionPLASTIC PER AMS 3653; 8.492 IN. OD; 8.080 IN. ID; 0.206 IN. THK IN
NSN5330-01-107-6819
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 74A450687 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
•
GENERAL CHARACTERISTICS ITEM DESCRIPTION: PLASTIC PER AMS 3653; 8.492 IN. OD; 8.080 IN. ID; 0.206 IN. THK IN
TECHNICAL CHARACTERISTICS
GENERAL CHARACTERISTICS ITEM DESCRIPTIONPLASTIC PER AMS 3653; 8.492 IN. OD; 8.080 IN. ID; 0.206 IN. THK IN
OTHER ITEMS IN FSC 5330 — Packing and Gasket Materials
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5330-00-000-0085 5330-00-000-0167 5330-00-000-5275 5330-00-001-1260 5330-00-001-1833 5330-00-001-1844 5330-00-001-1845 5330-00-001-1846
SUBSTITUTES & CROSS-REFERENCES 3
10154090Reference document
Same NSN cross-reference
Reference document — Informative reference only
74A450687-1001Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
1958-C-497Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 74A450687?
74A450687 is a SEAL,COVER,LOWER STEERING GEAR.
What parts can replace 74A450687?
There are 3 known substitutes for 74A450687: 10154090, 74A450687-1001, 1958-C-497. Substitute compatibility should be verified for your specific system.
What is the NSN for 74A450687?
74A450687 is cataloged in the U.S. Government catalog under NSN 5330-01-107-6819. This indicates validated use in U.S. government and defense supply chains.
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