BACN10BY55

View detailed technical data, stock status, and sourcing information for: BACN10BY55
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-00-550-0742

Item Name Code

05277

Assigment Date

01/01/1963 (63 years ago)

A nut having a flat bottom and 6 sides. An integral feature is incorporated for locking on the threads of a mating member. Excludes:nut (1), self-locking, cap.

3b thread class, 0.250 inches minimum and 0.265 inches maximum nut height, right-hand thread direction, prevailing torque all metal design locking feature, hexagon nut style

Product Characteristics

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

Thread Class: 3b
Thread Direction: right-hand
Locking Feature: prevailing torque all metal design
Nut Style: hexagon
Nut Height: 0.250 inches minimum and 0.265 inches maximum
Width Across Flats: 0.490 inches minimum and 0.502 inches maximum
Temp Rating: 450.0 fahrenheit nominal
Thread Series: unjf
Thread Quantity Per Inch: 24
Nominal Thread Size: 0.312 inches
Special Features: upper threaded portion deformed elliptically to produce self-locking action
Material: steel overall
Surface Treatment: cadmium overall
Surface Treatment Document And Classification: qq-p-416,ty 2,cl 3 fed spec single treatment response overall
Specification/Standard Data: 26512-gn10u manufacturers standard
Departure From Cited Document: as modified by temperature rating

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5310-00-535-8668	No Name Available	05/18/1966
5310-00-550-3029	No Name Available	05/18/1966
5310-00-975-4019	No Name Available	05/18/1966

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
8528600	Hexagon Self-Locking Nut
BACN10BY55	Hexagon Self-Locking Nut
CP10-3-4-524	Hexagon Self-Locking Nut
GN10U524	Hexagon Self-Locking Nut
H10-5	Hexagon Self-Locking Nut
H10-524	Hexagon Self-Locking Nut

FAQs

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

What is the FSCG of the NSN 5310-00-550-0742?

The FSCG of the NSN 5310-00-550-0742 is 5310

Does the NSN 5310-00-550-0742 have a Schedule B code assigned?

Yes, the Schedule B code is 7318160000

Does NSN 5310-00-550-0742 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 5310-00-550-0742 contain precious materials?

Precious metal content is unknown

Does NSN 5310-00-550-0742 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 5310-00-550-0742 was assigned to the Federal Catalog?

It was assigned 63 years ago, on Tue, Jan 1, 1963