2649-31050-N253

View detailed technical data, stock status, and sourcing information for: 2649-31050-N253
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-01-124-2057

Item Name Code

15934

Assigment Date

12/28/1981 (44 years ago)

A power operated mechanical device having a horizontally mounted revolvable drum(s) on the periphery of which the end of a rope, line, or chain is secured for exerting a raising, lowering, or pulling motion. The device may also contain a revolvable head(s) or spool(s) (gypsy head) around which one or more turns must be taken for exerting pulling power. See also winch, gypsy. It may include a power unit. Excludes:those items designed for mounting on self-propelled vehicles.

0.026 inches minimum and 0.036 inches maximum material thickness, 0.253 inches minimum and 0.263 inches maximum hole diameter, 0.300 inches minimum and 0.310 inches maximum shoulder diameter, 0.045 inches minimum and 0.055 inches maximum shoulder height, 0.745 inches minimum and 0.765 inches maximum outside diameter

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Hole Diameter: 0.253 inches minimum and 0.263 inches maximum
Shoulder Diameter: 0.300 inches minimum and 0.310 inches maximum
Outside Diameter: 0.745 inches minimum and 0.765 inches maximum
Shoulder Height: 0.045 inches minimum and 0.055 inches maximum
Material Thickness: 0.026 inches minimum and 0.036 inches maximum
Material: plastic polyamide (nylon) overall
Material Document And Classification: mil-m-20693 mil spec single material response or l-p-410 fed spec single material response overall
Style Designator: shouldered

Related Parts

This NSN group includes multiple components designed to meet specific performance and operational standards. Each listing provides detailed specs, functionality data, and replacement compatibility information:

Part Number	Name
2649-31050-N253	Shouldered Washer
SMA858657-3	Shouldered Washer

FAQs

Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.

What is the FSCG of the NSN 5310-01-124-2057?

The FSCG of the NSN 5310-01-124-2057 is 5310

Does the NSN 5310-01-124-2057 have a Schedule B code assigned?

Yes, the Schedule B code is 3926904500

Does NSN 5310-01-124-2057 require demilitarization?

Items subject to the export administration regulations (ear) in parts 730-774 of title 15, code of federal regulations (cfr) (ccli or ear99) and determined by dod to present a low risk when released out of dod control. No demil, mut, or end use certificate is required. May require an export licensefrom doc.

Does NSN 5310-01-124-2057 contain precious materials?

Item does not contain precious metal.

Does NSN 5310-01-124-2057 contain hazardous materials?

Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.

When the NSN 5310-01-124-2057 was assigned to the Federal Catalog?

It was assigned 44 years ago, on Mon, Dec 28, 1981