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A51B92549-11 — LEAF,BUTT HINGE

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

A51B92549-11: LEAF,BUTT HINGE.

The LEAF,BUTT HINGE is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY 2024 OVERALL, hinge_pin: NOT INCLUDED, knuckle_type: FRICTION, knuckle_length: 0.491 INCHES MINIMUM AND 0.495 INCHES MAXIMUM IN, overall_length: 5.000 INCHES NOMINAL IN, special_features: SHAPE LEAF TO A 25.000 IN. MIN,29.000 IN.

MAX,RADIUS IN. This part is cataloged in the U.S. Government catalog under NSN 5340-00-004-7060, 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
A51B92549-11
NSN: 5340-00-004-7060
FSC: 5340 — Hardware, Commercial
CAGE: 79RG9 — NORTHROP GRUMMAN SYSTEMS CORPORATION (USA)
SPECIFICATIONS
materialALUMINUM ALLOY 2024 OVERALL
hinge_pinNOT INCLUDED
knuckle_typeFRICTION
knuckle_length0.491 INCHES MINIMUM AND 0.495 INCHES MAXIMUM IN
overall_length5.000 INCHES NOMINAL IN
knuckle_quantity5
special_featuresSHAPE LEAF TO A 25.000 IN. MIN,29.000 IN. MAX,RADIUS IN
style_designatorBUTT PARALLEL HOLES
surface_treatmentANODIZE OVERALL
end_knuckle_length0.250 INCHES NOMINAL IN
material_thickness0.044 INCHES MINIMUM AND 0.056 INCHES MAXIMUM IN
reversible_featureNOT INCLUDED
NSN5340-00-004-7060
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: A51B92549-11 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 HOLE QUANTITY: 4
•
REVERSIBLE FEATURE: NOT INCLUDED
•
KNUCKLE INSIDE DIAMETER: 0.093 INCHES MINIMUM AND 0.098 INCHES MAXIMUM IN
•
STYLE DESIGNATOR: BUTT PARALLEL HOLES
•
MOUNTING HOLE DIAMETER: 0.097 INCHES MINIMUM AND 0.102 INCHES MAXIMUM IN
•
PIN CENTER TO BODY EDGE DISTANCE: 0.750 INCHES NOMINAL IN
•
HINGE PIN: NOT INCLUDED
TECHNICAL CHARACTERISTICS
MOUNTING HOLE QUANTITY4
REVERSIBLE FEATURENOT INCLUDED
KNUCKLE INSIDE DIAMETER0.093 INCHES MINIMUM AND 0.098 INCHES MAXIMUM IN
STYLE DESIGNATORBUTT PARALLEL HOLES
MOUNTING HOLE DIAMETER0.097 INCHES MINIMUM AND 0.102 INCHES MAXIMUM IN
OVERALL LENGTH5.000 INCHES NOMINAL IN
PIN CENTER TO BODY EDGE DISTANCE0.750 INCHES NOMINAL IN
HINGE PINNOT INCLUDED
MATERIAL THICKNESS0.044 INCHES MINIMUM AND 0.056 INCHES MAXIMUM IN
CENTER TO CENTER DISTANCE BETWEEN MOUNTING HOLES ALONG LENGTH0.950 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
Acquisition advice: Terminal item — no further procurement; issued until stock is exhaustedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is A51B92549-11?
A51B92549-11 is a LEAF,BUTT HINGE.
What is the NSN for A51B92549-11?
A51B92549-11 is cataloged in the U.S. Government catalog under NSN 5340-00-004-7060. 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.