NSN M21428

A transformer which is designed so that part or all of its range of operating frequencies is 20 kilohertz (kilocycles) and below. The maximum value may extend into the radio frequency range. It is generally used in the input, output, amplifier, or oscillator stages of audio and sonar devices.

as modified by head height departure from cited designator, hexagon head style, 0.750 inches nominal fastener length, 0.188 inches nominal head height, 23.0 rockwell b minimum and 80.0 rockwell b maximum overall hardness rating.

NSN 5305-00-021-5912 Datasheet

(NSN) National Stock Number

5305-00-021-5912

(FSG) Federal Supply Group

53 - Hardware and Abrasives

(FSC) Federal Supply Classification

5305 - Screws

(NIIN) National Item Identification Number

00-021-5912

Requires Demilitarization

Yes

(INC) Item Name Code

18257

Date

Tue, Jan 1, 1963

Schedule B Code

7318152000

Departure From Cited Designator

as modified by head height

Fastener Length

0.750 inches nominal

Hardness Rating

23.0 rockwell b minimum and 80.0 rockwell b maximum overall

Head Height

0.188 inches nominal

Head Style

hexagon

Material Document And Classification

sae gr 2 assn std single material response overall

Material

steel overall

Minimum Tensile Strength

74000 pounds per square inch

Nominal Thread Diameter

0.250 inches

Nondefinitive Spec/Std Data

2 type and 1 style and 2 grade

Surface Finish

125.0 microinches bearing surface of head

Surface Finish

63.0 microinches threads

Thread Class

2a

Thread Direction

right-hand

Thread Length

0.750 inches minimum

Thread Quantity Per Inch

28

Thread Series Designator

unf

Width Between Flats

0.428 inches minimum and 0.438 inches maximum

Identification

Demilitarization Code

A - 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.

Precious Metals Indicator

U - Precious metal content is unknown

Hazardous Metals Indicator

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

Source of Supply Code

S9I - Defense industrial supply center philadelphia, pennsylvania 19111

Pseudo Item Name Code

0018257

Cross Reference

CAGE Codes

92392

Allis-Chalmers Corp

U.s./canadian manufacturers

58275

Sasco Inc Canadian Div

U.s./canadian manufacturers

76040

Mack Trucks Inc Parts Opn

U.s./canadian manufacturers

01238

Communications & Power Industries Dba Communications & Power Industries Div Solid State Products Division

U.s./canadian manufacturers

2Y614

Link-Belt Cranes, L.p., Lllp

U.s./canadian manufacturers

36384

Fmc Corp Link-Belt Div

U.s./canadian manufacturers

83120

Pressed Metals of America Inc

U.s./canadian manufacturers

02978

Renk America Llc Div Renk America

U.s./canadian manufacturers

24617

General Motors Corp

U.s./canadian manufacturers

7X677

General Motors Llc Dba General Motors Llc

U.s./canadian manufacturers

06840

Bendix Corp the

U.s./canadian manufacturers

52793

Saginaw Products Corporation Dba Cignys

U.s./canadian manufacturers

56442

Diamond Reo Truck Co

U.s./canadian manufacturers

61038

Vickers Inc

U.s./canadian manufacturers

65282

White Motor Corp

U.s./canadian manufacturers

Freight Information

Schedule B & Trade

Schedule B

7318-15-2000

Description

bolts and bolts and their nuts or washers exported in the same shipment

End Use

12110 - Iron and steel products, other

Unit of Quantity

KG

USDA

Yes

(SITC) Standard International Trade Classification

69421

(NAICS) North American Industrial Classification System

332722

Questions & Answers

1. What is the FSCG of the NSN 5305-00-021-5912?

   The FSCG of the NSN 5305-00-021-5912 is 5305

2. Does the NSN 5305-00-021-5912 have a Schedule B code assigned?

   Yes, the Schedule B code is 7318152000

3. Does NSN 5305-00-021-5912 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.

4. Does NSN 5305-00-021-5912 contain precious materials?

   Precious metal content is unknown

5. Does NSN 5305-00-021-5912 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.

6. When the NSN 5305-00-021-5912 was assigned to the Federal Catalog?

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