Armstrong Alar Chain Corporation - Beaded Chain Specifications

BEADED CHAIN SPECIFICATIONS

METALS available and regularly carried in stock include brass, Richlow brass, carbon steel and stainless steel. Other metals available on special order.

FINISHES include cleaned, polished, passivated or plated with nickel or brass. Other types of finishes are available upon request.

All ARMSTRONG beaded chain meets the following specifications:

National Aerospace Standard NAS1201.

Ordinance Standard SDCX1, SDCX2, SDCX3.

Federal Specification RRC271A Type 2, Class 5.

CHAIN is available in bulk, on spools or in hanks, or assembled to the required end fittings.

ARMSTRONG can supply on special order any size or shape chain adaptable to the beaded style if ordered in quantity.

STANDARD SIZES

PART NO.	BEAD DIA.	SHANK DIA.	BEADS PER FT. APPROX.	FT. IN STD. REEL	LINEAR PITCH FOR SPROCKET CHAIN ONLY	MIN. TENSILE STRENGTH GREATER AVAILABLE
3	3/32 (.093)	.020	102	1000	.117 P/M .001	Brass 20 lbs. Steel 25 Stainless 30
6	1/8 (.125)	.028	72	1000	.166 P/M .001	Brass 30 Steel 35 Stainless 45
10	3/16 (.187)	.040	50	500	.240 P/M .002	Brass 45 Steel 60 Stainless 90
13	1/4 (.250)	.060	37	250	.324 P/M .002	Brass 90 Steel 125 St’nless 175

STANDARD KEY CHAINS

ARMSTRONG offers No. 3 and No. 6 key chains from stock with round beads to meet your esthetic requirements. Material selection in ascending order of cost includes brass or nickel plated steel, dipped and polished yellow brass, dipped and polished Richlow brass, and nickel plated brass. Chains are avialabe in 4" or 4½" lengths and come complete with Type B splicing link in matching material and finish. Key chains can also be made to order in whatever lengths you desire.

COUPLINGS

Type "A" COUPLINGS are second only to splicing links in their wide usage, especially on retainer chains for caps, knobs, keys, and other objects where dropping or misplacement must be prevented. Available with and without eyelets, straight or offset, in standard metals and finishes.

PART No.	HOLE DIAMETER WITHOUT EYELET	LENGTH	CHAIN SIZE
6A156	.156"	13/32"	3 - 6
6A167	.167	3/8	3 - 6
10A156	.156	9/16	8 - 10
10A167	.167	1/2	8 - 10
10AN230	.230	5/8	8 - 10
13AN218	.218	5/8	13
13AN230	.230	11/16	13
13AN260	.260	5/8	13
13AN260	.302	5/8	13
20A302	.302	1 - 1/32	15 - 20

Type "B" COUPLINGS and SPLICING LINKS are used to make chain endless, to connect two pieces of chain for keychains and neckchains or to repair broken chain. In addition, the "B" Coupling has a hole in the back for looping chain or for assembly of rings on other attachments. Available in standard metals and finishes.

PART NO.	APPROX. HOLE SIZE	LENGTH	DIAMETER	FOR CHAIN SIZE
3-B	.105	3/8"	9/64"	1 - 2 - 3
6-B	.128	1/2	3/16	6
6-B	.120	29/64	11/64	6
8-B	.096	31/64	13/64	6 - 8
10-B	.190	39/64	1/4	8 - 10
13-B	.256	47/64	23/64	10 - 13

Type "D" COUPLINGS are ARMSTRONG's way of reducing the cost of retainer chain assemblies. The "D" Coupling performs all the functions of the "A" Coupling in addition to allowing the chain to be brought out in a 140° arc. Furnished only attached to chain.

PART NO.	LENGTH	WIDTH	HOLE DIAMETER	HEIGHT	FOR CHAIN SIZE
6D	19/64"	17/64"	.130" & .170"	11/64"	3 - 6
10D	31/64	23/64	.190 & .250	1/4	6 - 8 - 10

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