NSN NAS1189E4P12

A circular-shaped item designed to maintain predetermined distance between assembled parts and/or for distributing pressure or preventing endwise movement between member parts. It has a solid cross-section and two flat parallel bearing surfaces. The distance between the bearing surfaces perpendicular to the axis of the centrally located hole shall not exceed 25 percent of the outside diameter. The diameter of the centrally located hole must exceed 75 percent of the outside diameter. Excludes:laminated items. For items manufactured from impregnated graphite or lubricated nonmetallic materials, excluding felt or plastics, see gasket. For items manufactured from lubricated plastics, see bearing, washer, thrust. For items manufactured from lubricated felt, see felt, mechanical, preformed. Excludes:disk, valve; insulator washer; and shim. See also spacer, plate and spacer, sleeve.

99.0 degrees minimum and 101.0 degrees maximum countersink angle, 0.491 inches minimum and 0.507 inches maximum head diameter, 0.729 inches minimum and 0.750 inches maximum fastener length, cross recess type 1 internal drive style, flat countersunk head style.

NSN 5305-01-258-8488 Datasheet

(NSN) National Stock Number

5305-01-258-8488

(FSG) Federal Supply Group

53 - Hardware and Abrasives

(FSC) Federal Supply Classification

5305 - Screws

(NIIN) National Item Identification Number

01-258-8488

Requires Demilitarization

Yes

(INC) Item Name Code

16282

Date

Thu, Jul 9, 1987

Schedule B Code

7318152000

Countersink Angle

99.0 degrees minimum and 101.0 degrees maximum

Fastener Length

0.729 inches minimum and 0.750 inches maximum

Head Diameter

0.491 inches minimum and 0.507 inches maximum

Head Style

flat countersunk

Internal Drive Style

cross recess type 1

Locking Feature

Material Document And Classification

unable to decode

Material

unable to decode

Minimum Tensile Strength

160000 pounds per square inch

Nominal Thread Diameter

0.250 inches

Specification/Standard Data

80205-nas1189 professional/industrial association standard

Surface Finish

unable to decode

Surface Treatment Document And Classification

unable to decode

Surface Treatment

unable to decode

Thread Class

3a

Thread Direction

right-hand

Thread Length

0.658 inches minimum and 0.750 inches maximum

Thread Quantity Per Inch

28

Thread Series Designator

unified national joint fine (unjf)

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

A - Item does not contain precious metal.

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

0016282

Cross Reference

CAGE Codes

80205

National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use

Civilian standards and standards organizations (ex:iso,din,bs,ansi)

Freight Information

Air Commodity

HZ -

Air Dimension

A - Shipment is not a consolidation and does not exceed 84 inches in any dimension.

National Motor Freight Class Rating

Q - 70.0

Special Handling

9 - Other or no special handling required (sh)

Type of Cargo

Z - No special type of cargo code applicable

Uniform Freight Classification Item Number

50600

Water Commodity

713 - Metal hardware

National Motor Freight Classification Item Number

096640

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 5305-01-258-8488?

   The FSCG of the NSN 5305-01-258-8488 is 5305

2. Does the NSN 5305-01-258-8488 have a Schedule B code assigned?

   Yes, the Schedule B code is 7318152000

3. Does NSN 5305-01-258-8488 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 5305-01-258-8488 contain precious materials?

   Item does not contain precious metal.

5. Does NSN 5305-01-258-8488 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 5305-01-258-8488 was assigned to the Federal Catalog?

   It was assigned 39 years ago, on Thu, Jul 9, 1987