NSN 4X181C1

0.620 inches minimum and 0.625 inches maximum first diameter from head, 1.094 inches minimum and 1.156 inches maximum fastener length, 0.313 inches minimum and 0.385 inches maximum distance from largest bearing surface of head to end of second diameter, 2 externally relieved body diameter quantity, 0.219 inches minimum and 0.281 inches maximum distance from largest bearing surface of head to end of first diameter.

NSN 5306-00-251-2181 Datasheet

(NSN) National Stock Number

5306-00-251-2181

(FSG) Federal Supply Group

53 - Hardware and Abrasives

(FSC) Federal Supply Classification

5306 - Bolts

(NIIN) National Item Identification Number

00-251-2181

Requires Demilitarization

Yes

(INC) Item Name Code

06675

Date

Wed, Jun 13, 1973

Schedule B Code

7318152000

Distance From Largest Bearing Surface Of Head To End Of Second Diameter

0.313 inches minimum and 0.385 inches maximum

Distance From Largest Bearing Surface Of Head To End Of First Diameter

0.219 inches minimum and 0.281 inches maximum

Externally Relieved Body Diameter Quantity

2

Fastener Length

1.094 inches minimum and 1.156 inches maximum

First Diameter From Head

0.620 inches minimum and 0.625 inches maximum

Hardness Rating

Head Height

0.155 inches minimum and 0.160 inches maximum

Head Style

square

Material

unable to decode

Nominal Thread Diameter

0.625 inches

Second Diameter From Head

0.499 inches minimum and 0.501 inches maximum

Surface Treatment

unable to decode

Thread Class

3a

Thread Direction

right-hand

Thread Length

0.656 inches minimum and 0.718 inches maximum

Thread Quantity Per Inch

18

Thread Series Designator

unf

Width Between Flats

1.094 inches minimum and 1.156 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.

Pseudo Item Name Code

0006675

Cross Reference

CAGE Codes

98296

Standard Mfg Co Inc

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 5306-00-251-2181?

   The FSCG of the NSN 5306-00-251-2181 is 5306

2. Does the NSN 5306-00-251-2181 have a Schedule B code assigned?

   Yes, the Schedule B code is 7318152000

3. Does NSN 5306-00-251-2181 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 5306-00-251-2181 contain precious materials?

   Precious metal content is unknown

5. Does NSN 5306-00-251-2181 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 5306-00-251-2181 was assigned to the Federal Catalog?

   It was assigned 53 years ago, on Wed, Jun 13, 1973