NAS 537 Bushing, Sleeve - MET Military Standard Parts

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NAS Standard - Bushing, Sleeve

NAS 537

BUSHING, SLEEVE - PRECISION BORE - NAS CONFORMING - FSC 3120

NSN Traceable C of C Available 625 Part Numbers Contact Us

Standard

NAS 537 Sleeve

Type

Bushing, Sleeve

Material

Per NAS 537 Drawing

Finish

As Machined / Per Drawing

Dash Range

-3 through -20

Documentation

C of C + MTR

C of C MTR NAS 537 Drawing

Specification Data — NAS 537 Dimensions

Dash No.	Nom. Ream Hole Dia (in)	Inside Dia A (in)	Outside Dia B (in)
-3	0.1900"(3/16)	0.1790"	0.3136"
-4	0.2500"(1/4)	0.2380"	0.3761"
-5	0.3125"(5/16)	0.3010"	0.4386"
-6	0.3750"(3/8)	0.3590"	0.5013"
-7	0.4375"(7/16)	0.4220"	0.5638"
-8	0.5000"(1/2)	0.4840"	0.6265"
-9	0.5625"(9/16)	0.5460"	0.6892"
-10	0.6250"(5/8)	0.6090"	0.8142"
-11	0.6875"(11/16)	0.6710"	0.8767"
-12	0.7500"(3/4)	0.7340"	0.9393"
-14	0.8750"(7/8)	0.8590"	1.0648"
-16	1.0000"(1)	0.9840"	1.1898"
-18	1.1250"(1-1/8)	1.0940"	1.3148"
-20	1.2500"(1-1/4)	1.2190"	1.4399"

Per NAS537 table. Inside dia A is undersize, intended for reaming after installation. Length L 0.020 – 5.000 in .010 increments; longer lengths on request. Code W = no inside chamfer. Tolerances per NAS 537 drawing. Contact us for non-standard sizes.

Custom Part Number Builder

No NSN Assigned

Build any NAS 537 part number conforming to the specification, including numbers without an assigned NSN. Choose the codes below to generate your part number and add it to your quote basket.

Prefix Code

Dash Number

Code Letter

Length Code (3 digits)

Generated Part Number

NAS537-4P025

Format: NAS537-[Dash][Code][Length] (e.g. NAS537-4P033) or NAS537[Prefix][Dash][Code][Length] (e.g. NAS537B4P019). Verify against the NAS 537 drawing. Contact us to confirm availability and lead time.