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74A330840-2003 — LEAF,BUTT HINGE

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

74A330840-2003: LEAF,BUTT HINGE.

The LEAF,BUTT HINGE is a the manufacturer industrial component. Key specifications include material: TITANIUM ALLOY OVERALL, hinge_pin: NOT INCLUDED, knuckle_type: FRICTION, knuckle_length: 0.495 INCHES NOMINAL IN, overall_length: 6.450 INCHES NOMINAL IN, performance_type: NOT RATED. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-161-4416, 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
74A330840-2003
NSN: 5340-01-161-4416
FSC: 5340 — Hardware, Commercial
CAGE: 76823 — NORTHROP GRUMMAN SYSTEMS CORPORATION DBA NORTHROP GRUMMAN IS DIV NORTHROP GRUMMAN AERONAUTICS SYSTEMS (USA)
SPECIFICATIONS
materialTITANIUM ALLOY OVERALL
hinge_pinNOT INCLUDED
knuckle_typeFRICTION
knuckle_length0.495 INCHES NOMINAL IN
overall_length6.450 INCHES NOMINAL IN
knuckle_quantity4
performance_typeNOT RATED
style_designatorBUTT BLANK
end_knuckle_length0.970 INCHES NOMINAL IN
material_thickness0.160 INCHES NOMINAL IN
reversible_featureNOT INCLUDED
knuckle_inside_diameter0.093 INCHES NOMINAL IN
NSN5340-01-161-4416
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 74A330840-2003 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
•
REVERSIBLE FEATURE: NOT INCLUDED
•
KNUCKLE INSIDE DIAMETER: 0.093 INCHES NOMINAL IN
•
STYLE DESIGNATOR: BUTT BLANK
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-T-9046 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
•
PIN CENTER TO BODY EDGE DISTANCE: 1.300 INCHES NOMINAL IN
•
HINGE PIN: NOT INCLUDED
•
MATERIAL THICKNESS: 0.160 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
REVERSIBLE FEATURENOT INCLUDED
KNUCKLE INSIDE DIAMETER0.093 INCHES NOMINAL IN
STYLE DESIGNATORBUTT BLANK
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-T-9046 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
OVERALL LENGTH6.450 INCHES NOMINAL IN
PIN CENTER TO BODY EDGE DISTANCE1.300 INCHES NOMINAL IN
HINGE PINNOT INCLUDED
MATERIAL THICKNESS0.160 INCHES NOMINAL IN
KNUCKLE QUANTITY4
END KNUCKLE LENGTH0.970 INCHES NOMINAL IN
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 1
10112829Reference document
Same NSN cross-reference
Reference document — Informative reference only
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 74A330840-2003?
74A330840-2003 is a LEAF,BUTT HINGE.
What parts can replace 74A330840-2003?
There is 1 known substitute for 74A330840-2003: 10112829. Substitute compatibility should be verified for your specific system.
What is the NSN for 74A330840-2003?
74A330840-2003 is cataloged in the U.S. Government catalog under NSN 5340-01-161-4416. This indicates validated use in U.S. government and defense supply chains.
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