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ASM offers the broadest range of top quality self-locking fasteners available today for both military and
commercial applications. ASM is your QPL APPROVED SOURCE for Patch fasteners which meet or
exceed the requirements of Specifications MIL-F-18240, IFI 124 and IFI 524. Call or write for quotations.
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PELLET:
ASM Pellet is a special, tough Nylon plug, inserted into a
drilled hole, which makes any threaded fastener selflocking
and self-sealing while leaving it fully adjustable.
Its high internal strength and resiliency help
resist,deformation after repeated use.
RECOMMENDED FOR ALL MATERIALS INCLUDING PLASTICS (NYLON, ETC.)
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EPOXY:
Epoxy is a powerful locking/sealing adhesive which outperforms
most nylon locking elements in first-off torque
evaluations. Though Epoxy is dry to the touch, the
forces of engagement crush the surface skin, mix the
separate epoxy components and initiate a chemical
reaction. Within minutes of assembly the nut cannot be
removed without a wrench. Curing continues for 72 hours.
RECOMMENDED FOR ALL MATERIALS INCLUDING PLASTICS (NYLON, ETC.)
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EXTERNAL PATCH of INTERNAL PATCH (for #6-32 & larger):
(Slight over spray may be evident on face.) Yellow
Patch processes make threaded fasteners of all sizes
and configurations self-locking and self-sealing, while
leaving them fully adjustable. Yellow Patch is completely
dry and fused to the fastener, requiring no curing time after installation. Its
internal strength and resiliency remain high, even after continual re-use.
NOT RECOMMENDED FOR PLASTICS (NYLON, ETC OR ALUMINUM).
RECOMMENDED FOR METAL ONLY.
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STRIP:
Strip is a tough bar of Nylon, inserted into a milled slot
in a threaded fastener, which makes it self-locking
and self-sealing. Ideal for military and commercial
fasteners. Strip performs well in both high and low
temperature extremes. Its compressibility,
resiliency and strength allow repeated removals or
adjustments. Excellent for use in non-metallic material;
i.e. nylon, teflon, etc.
RECOMMENDED FOR ALL MATERIALS INCLUDING PLASTICS (NYLON, ETC.)
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EXTREME OR INTERNAL EXTREME VIBRATION:
Extreme Vibration makes any threaded fastener self-locking
and self-sealing, even under extreme vibration conditions.
However, coated parts can be easily adjusted, removed
and reused - again and again. Extreme Vibration dries
to the touch in seconds and is ready for assembly in a
few minutes. It can be factory-applied or supplied in a
small do-it-yourself containers.
RECOMMENDED FOR ALL MATERIALS INCLUDING PLASTICS (NYLON, ETC.)
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PLASTISOL:
Plastisol provides a positive seal that eliminates
leaks. In contrast, O-rings and nylon washers are
difficult to seat properly, tear, lose integrity when
nicked or cut, and inherently offer a leak path due to
their shape. Plastisol fasteners are easy to seat and
retain continuity while offering a less expensive
alternative to conventional fasteners sealing methods.
RECOMMENDED FOR ALL MATERIALS INCLUDING PLASTICS (NYLON, ETC.)
SUGGESTED PELLET DIAMETERS FOR THREAD SIZES INDICATED (Bolts, Screws & Set Screws)
Threaded |
Diameter #0 #1 #2 #3 #4 #5 #6 #8 #10 1/4 5/16 3/8 7/16 1/2 9/16 5/8 3/4 7/8 1
Nylon Pellet
Diameter .030 .030 .030 .050 .050 .063 .063 .080 .093 .108 .125 .140 .140 .153 .153 .170 .184 .184 .184
BASIC SPECIFICATIONS
MIL-F-18240: 250°F self-locking element for Military Specification
Fastener, externally threaded.
NAS 1283: Fasteners, male threaded, self-locking.
MS 15981: Fasteners, externally threaded, self-locking.
IFI 124: Test Procedure for the locking ability performance of
non-metallic locking element type prevailing torque
lock screws.
IFI 524, Metric: Test procedure for the locking ability performance of
metric non-metallic locking element type prevailing
torque lock screws.
Material: Nylon - LP - 410A - CLASS 6/6
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