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4030847 — LEAF,BUTT HINGE

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

4030847: LEAF,BUTT HINGE.

The LEAF,BUTT HINGE is a the manufacturer industrial component. Key specifications include material: NICKEL ALLOY 718 OVERALL, hinge_pin: NOT INCLUDED, knuckle_type: FRICTION, knuckle_length: 0.155 INCHES NOMINAL IN, overall_length: 2.390 INCHES MINIMUM AND 2.410 INCHES MAXIMUM IN, special_features: LEAF IS T-SHAPED,LENGTH AT BASE IS 0.690 IN. MIN TO 0.710 IN.

MAX IN. This part is cataloged in the U.S. Government catalog under NSN 5340-00-373-3556, 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
4030847
NSN: 5340-00-373-3556
FSC: 5340 — Hardware, Commercial
CAGE: 77445 — RTX CORPORATION DBA PRATT & WHITNEY DIV PRATT &WHITNEY (USA)
SPECIFICATIONS
materialNICKEL ALLOY 718 OVERALL
hinge_pinNOT INCLUDED
knuckle_typeFRICTION
knuckle_length0.155 INCHES NOMINAL IN
overall_length2.390 INCHES MINIMUM AND 2.410 INCHES MAXIMUM IN
knuckle_quantity4
special_featuresLEAF IS T-SHAPED,LENGTH AT BASE IS 0.690 IN. MIN TO 0.710 IN. MAX IN
end_knuckle_length0.166 INCHES MINIMUM AND 0.175 INCHES MAXIMUM IN
material_thickness0.030 INCHES MINIMUM AND 0.050 INCHES MAXIMUM IN
reversible_featureNOT INCLUDED
knuckle_inside_diameter0.095 INCHES MINIMUM AND 0.099 INCHES MAXIMUM IN
pin_center_to_body_edge_distance1.700 INCHES MINIMUM AND 1.720 INCHES MAXIMUM IN
NSN5340-00-373-3556
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 4030847 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: 0.095 INCHES MINIMUM AND 0.099 INCHES MAXIMUM IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS 5663 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
PIN CENTER TO BODY EDGE DISTANCE: 1.700 INCHES MINIMUM AND 1.720 INCHES MAXIMUM IN
•
HINGE PIN: NOT INCLUDED
•
MATERIAL THICKNESS: 0.030 INCHES MINIMUM AND 0.050 INCHES MAXIMUM IN
•
KNUCKLE QUANTITY: 4
TECHNICAL CHARACTERISTICS
REVERSIBLE FEATURENOT INCLUDED
KNUCKLE INSIDE DIAMETER0.095 INCHES MINIMUM AND 0.099 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5663 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
OVERALL LENGTH2.390 INCHES MINIMUM AND 2.410 INCHES MAXIMUM IN
PIN CENTER TO BODY EDGE DISTANCE1.700 INCHES MINIMUM AND 1.720 INCHES MAXIMUM IN
HINGE PINNOT INCLUDED
MATERIAL THICKNESS0.030 INCHES MINIMUM AND 0.050 INCHES MAXIMUM IN
KNUCKLE QUANTITY4
END KNUCKLE LENGTH0.166 INCHES MINIMUM AND 0.175 INCHES MAXIMUM IN
KNUCKLE LENGTH0.155 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

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Demilitarization required — critical (Q)
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FREQUENTLY ASKED QUESTIONS
What is 4030847?
4030847 is a LEAF,BUTT HINGE.
What is the NSN for 4030847?
4030847 is cataloged in the U.S. Government catalog under NSN 5340-00-373-3556. 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.