Beryllium Copper Milspec Belleville Washers - Request for Information

Beryllium Copper: is a metal alloy composed of copper and beryllium. It is primarily utilized for its properties of weldablity, resistance to non-oxidizing acids, and for its flexibility and shape retention.

Milspec: Military standards are most often defined by an efficient operation and substantial longevity in inhospitable or rugged conditions and environments.

Belleville Washers: are non-flat, cupped washes that provide load-bearing and deflection properties due to a subtitle conical shape. In addition to introducing spring and flexibility characteristics to the seal, Belleville washers function as locking devices in low dynamic load applications.

Washers: circular hardware used for spacing, load distribution, sealing and vibration reduction. Washers are produced through stamping and shaping a variety of materials including various metal, plastic, rubber and fiber.

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Below are sample line items we carry.

Title	Part Number	QTY-OH	DRAWING	OUTER DIAM	INNER DIAM	THICK
MS51496-P66	MS51496-P66	49600	REV B	0.250	0.120	0.013
MS15795-836	MS15795-836	0	NASM15795 REV 1	4.750	2.375	0.193
AN960-D1816L	AN960-D1816L	0	REV 21	1.875	1.140	0.016
NAS1149C0516B	NAS1149C0516B	6900	REV 4	0.562	0.328	0.016
AN961-516T	AN961-516T	2560	NASM961	0.562	0.328	0.064
NAS1149C0916B	NAS1149C0916B	500	REV 4	1.062	0.578	0.016
NAS1587-5L	NAS1587-5L	0	REV 4 STAMPED W/PN	0.593	0.315	0.032

Title	Outside Dia.	Inside Dia.	Thickness
910-10-040	0.187	0.065	0.04
440-98-031	0.437	0.156	0.031
650-3674-024	0.863	0.415	0.024
650-4199-135	1.122	0.533	0.135
650-4540-026	0.899	0.632	0.026

Title	Outside Dia.	Inside Dia.	Thickness	Free Height	Material
AW34-150028	1.495/1.505	1.010/1.020	0.028	.070/.090	Stainless Steel

Title	Outside Dia. (min/max)	Inside Dia. (min/max)	Free Height (min/max)	Thickness	Material
CB20-111078	1.118	0.396	0.14	0.078	Spring Steel

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Beryllium Copper Milspec Belleville Washers - Request for Information