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Graco 101448 Jam Nut

Graco 101448 Jam Nut is a genuine OEM locking nut designed to secure threaded parts in Graco sprayers and assemblies. Ideal for vibration-prone components.

  • Thread Size: 3/8-24 UNF
  • Material: Steel, hex design
  • Used In: HVLP sprayers, hose reels, and pump elevators
  • Prevents: Loosening from vibration or movement

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Graco 101448 Jam Nut — Specs & Compatibility

Compatible Machines

This Graco 101448 Jam Nut (hex, 3/8-24) appears in the following Graco equipment families’ parts lists. Always confirm against your unit’s manual/parts list.

  • HVLP Sprayers — Standard, ProContractor & ProComp series (where 101448 is listed in the assembly parts list).
  • Dual Hose Reel Assemblies — assemblies calling out NUT, jam; 3/8-24.
  • Air-Operated Pump Elevators / Drum Feed Systems — assemblies listing 101448 for internal mounts/controls.

Product Overview

The Graco 101448 Jam Nut is a thin hex jam nut (3/8-24 UNF) used to lock a threaded component against vibration and movement in Graco assemblies. Choosing the genuine OEM nut helps maintain correct stack height and clamp force in control panels, reels, and elevator/pump hardware.

Key Specifications

Part Number (SKU) 101448
Part Name Jam Nut (Hex, Thin)
Thread Size 3/8-24 UNF (fine thread)
Typical Use Locks a mating nut/fastener to prevent loosening under vibration; common in reels, control boxes, and elevator assemblies.
Compatibility Guidance Fits machines/assemblies whose official parts list specifies 101448 or a 3/8-24 jam nut.
Package Contents 1 × Graco 101448 Jam Nut

Fitment & Installation Notes

  • Match threads: use only with 3/8-24 fine-thread studs/bolts.
  • “Jam” method: tighten the primary nut first, then hold it while tightening the jam nut snugly against it.
  • Inspect for wear: replace if threads are rounded, galled, or won’t hold torque.
  • Torque per assembly manual when specified; avoid over-torque that could distort thin jam nuts.

Best practice: verify the call-out on your model’s exploded diagram to ensure exact placement and quantity.

Frequently Asked Questions

If your parts list explicitly calls out 101448 or a jam nut 3/8-24, this is the correct OEM part. If it only says “nut” without thread/type, check the detailed bill of materials or contact support with your model and serial.

A jam nut is thinner and is used together with another nut to “jam” it in place. This prevents loosening from vibration—ideal for assemblies found in sprayers, hose reels, and elevator systems.

Quantity varies by assembly. Some hose reel builds list multiple units, while other systems use only one or two. Refer to your model’s exploded diagram for the exact count.

For best results, use the genuine Graco 101448. OEM parts ensure proper thickness, hardness, and thread tolerance so stack height and clamp load match design intent.

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