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GC520DH1 — CASTER,SWIVEL

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

GC520DH1: CASTER,SWIVEL.

The CASTER,SWIVEL is a the manufacturer industrial component. Key specifications include material: STEEL COMP 1045 PLATE, wheel_type: BUILT UP, plate_style: SQUARE, tread_width: 3.000 INCHES NOMINAL IN, wheel_diameter: 6.000 INCHES NOMINAL IN, effective_height: 8.500 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-398-9491, 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
GC520DH1
NSN: 5340-01-398-9491
FSC: 5340 — Hardware, Commercial
CAGE: 26512 — NORTHROP GRUMMAN SYSTEMS CORPORATION (USA)
SPECIFICATIONS
materialSTEEL COMP 1045 PLATE
wheel_typeBUILT UP
plate_styleSQUARE
tread_width3.000 INCHES NOMINAL IN
wheel_diameter6.000 INCHES NOMINAL IN
wheel_quantity1
effective_height8.500 INCHES NOMINAL IN
style_designatorSWIVEL OFFSET
features_providedSWIVEL LOCK AND BRAKE LOCK
caster_plate_width4.500 INCHES NOMINAL IN
wheel_bearing_typeROLLER
caster_plate_length6.500 INCHES NOMINAL IN
NSN5340-01-398-9491
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: GC520DH1 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
•
PLATE STYLE: SQUARE
•
TREAD WIDTH: 3.000 INCHES NOMINAL IN
•
WHEEL TYPE: BUILT UP
•
STYLE DESIGNATOR: SWIVEL OFFSET
•
MATERIAL DOCUMENT AND CLASSIFICATION: SAE 1045 ASSN STD SINGLE MATERIAL RESPONSE PLATE
•
CASTER PLATE MOUNTING HOLE DIAMETER: 0.500 INCHES NOMINAL IN
•
CASTER PLATE WIDTH: 4.500 INCHES NOMINAL IN
•
CASTER PLATE LENGTH: 6.500 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
PLATE STYLESQUARE
TREAD WIDTH3.000 INCHES NOMINAL IN
WHEEL TYPEBUILT UP
STYLE DESIGNATORSWIVEL OFFSET
MATERIAL DOCUMENT AND CLASSIFICATIONSAE 1045 ASSN STD SINGLE MATERIAL RESPONSE PLATE
CASTER PLATE MOUNTING HOLE DIAMETER0.500 INCHES NOMINAL IN
CASTER PLATE WIDTH4.500 INCHES NOMINAL IN
CASTER PLATE LENGTH6.500 INCHES NOMINAL IN
WHEEL QUANTITY1
FEATURES PROVIDEDSWIVEL LOCK AND BRAKE LOCK
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)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is GC520DH1?
GC520DH1 is a CASTER,SWIVEL.
What is the NSN for GC520DH1?
GC520DH1 is cataloged in the U.S. Government catalog under NSN 5340-01-398-9491. 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.