PartsTable
Technical Data Sheet

16-63 1/2TSPR-BZ — CASTER,RIGID

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

16-63 1/2TSPR-BZ: CASTER,RIGID.

The CASTER,RIGID is a the manufacturer industrial component. Key specifications include material: PLASTIC PHENOLIC TREAD, wheel_type: BUILT UP, plate_style: RECTANGULAR, tread_width: 1.250 INCHES NOMINAL IN, coating_method: PLATED PLATE, wheel_diameter: 3.500 INCHES MINIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-177-3978, 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
16-63 1/2TSPR-BZ
NSN: 5340-01-177-3978
FSC: 5340 — Hardware, Commercial
CAGE: 71823 — DARNELL CORPORATION (USA)
SPECIFICATIONS
materialPLASTIC PHENOLIC TREAD
wheel_typeBUILT UP
plate_styleRECTANGULAR
tread_width1.250 INCHES NOMINAL IN
coating_methodPLATED PLATE
wheel_diameter3.500 INCHES MINIMUM IN
wheel_quantity1
effective_height4.750 INCHES NOMINAL IN
style_designatorRIGID
surface_treatmentZINC BODY
caster_plate_width2.500 INCHES NOMINAL IN
wheel_bearing_typeROLLER
NSN5340-01-177-3978
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 16-63 1/2TSPR-BZ 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: RECTANGULAR
•
TREAD WIDTH: 1.250 INCHES NOMINAL IN
•
WHEEL TYPE: BUILT UP
•
COATING METHOD: PLATED BODY
•
STYLE DESIGNATOR: RIGID
•
CASTER PLATE MOUNTING HOLE DIAMETER: 0.266 INCHES NOMINAL IN
•
CASTER PLATE WIDTH: 2.500 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
PLATE STYLERECTANGULAR
TREAD WIDTH1.250 INCHES NOMINAL IN
WHEEL TYPEBUILT UP
COATING METHODPLATED BODY
COATING METHODPLATED PLATE
STYLE DESIGNATORRIGID
CASTER PLATE MOUNTING HOLE DIAMETER0.266 INCHES NOMINAL IN
CASTER PLATE WIDTH2.500 INCHES NOMINAL IN
CASTER PLATE LENGTH3.625 INCHES NOMINAL IN
WHEEL QUANTITY1
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 4
63-1/2-20-TPRReference document
Same NSN cross-reference
Reference document — Secondary reference
20-63 1/2-TRPR-BZReference document
Same NSN cross-reference
Reference document — Secondary reference
B47484Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
20-63 1/2 TRPRReference document
Same NSN cross-reference
Reference document — Secondary reference
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 16-63 1/2TSPR-BZ?
16-63 1/2TSPR-BZ is a CASTER,RIGID.
What parts can replace 16-63 1/2TSPR-BZ?
There are 4 known substitutes for 16-63 1/2TSPR-BZ: 63-1/2-20-TPR, 20-63 1/2-TRPR-BZ, B47484 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 16-63 1/2TSPR-BZ?
16-63 1/2TSPR-BZ is cataloged in the U.S. Government catalog under NSN 5340-01-177-3978. 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.