NSN 2123003

A tubular shaped item with a round or hexagon peripheral shape having two flat bearing surfaces perpendicular to the axis of the centrally located hole. It is designed to maintain a predetermined distance between assembled parts. The item may be with or without flange(s) of any peripheral shape. The overall length must exceed 25 percent of the outside diameter or distance across peripheral flats of the body. (when the length, outside diameter, and/or distance across peripheral flats are designed as a tolerance, the maximum dimension will be used to determine compliance). For items having other than a round or hexagon peripheral shape, see spacer, plate. Excludes:items with lubricating features, see bearing, sleeve and bushing, sleeve. See also bushing, tapered; spacer, ring; washer, flat; and washer, (as modified).

multiple launch rocket system (mlrs) end item identification, chamfered or washer faced bearing surface type, qq-b-637 fed spec single material response overall material document and classification, copper alloy 464 overall material, 0.375 inches nominal thread size.

NSN 5310-00-918-6921 Datasheet

(NSN) National Stock Number

5310-00-918-6921

(FSG) Federal Supply Group

53 - Hardware and Abrasives

(FSC) Federal Supply Classification

5310 - Nuts and Washers

(NIIN) National Item Identification Number

00-918-6921

Requires Demilitarization

Yes

(INC) Item Name Code

01857

Date

Wed, Aug 3, 1966

Schedule B Code

8710000090

End Item Identification

multiple launch rocket system (mlrs)

Bearing Surface Type

chamfered or washer faced

Material Document And Classification

qq-b-637 fed spec single material response overall

Material

copper alloy 464 overall

Nominal Thread Size

0.375 inches

Nondefinitive Spec/Std Data

2 type and 5 style

Nut Height

0.210 inches minimum and 0.227 inches maximum

Nut Style

hexagon

Surface Treatment

oxide overall

Thread Class

2b

Thread Direction

right-hand

Thread Quantity Per Inch

16

Thread Series

unified national coarse (unc)

Width Across Flats

0.551 inches minimum and 0.562 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

0001857

Cross Reference

CAGE Codes

S3002

General Dynamics European, Land-Systems-Mowag Gmbh Dba Gdels

Non-manufacturers

43689

Huntington Ingalls Inc Div Newport News Shipbuilding

Non-manufacturers

D9182

Zf Industrieantriebe Witten Gmbh

Non-us manufacturer (nato), other foreign organization or codification bureaus

SCY13

E.c.a Etablissement Centrald'approvisionnement des Forces Armee

Military standards and standards organizations (ex:stanags,milspecs,defstans)

30554

Department of Defense Project Manager-Mobile Electric Power

Government departments or units, including military organizations

96906

Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M

Military standards and standards organizations (ex:stanags,milspecs,defstans)

Freight Information

Air Commodity

BZ -

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

48930

Water Commodity

713 - Metal hardware

National Motor Freight Classification Item Number

093460

Schedule B & Trade

Schedule B

8710-00-0090

Description

parts of armored fighting vehicles,motorized, whether or not fitted with weapons

End Use

50030 - Military trucks, armored vehicles, etc.

Unit of Quantity

KG

USDA

Yes

(SITC) Standard International Trade Classification

89111

(NAICS) North American Industrial Classification System

336992

Questions & Answers

1. What is the FSCG of the NSN 5310-00-918-6921?

   The FSCG of the NSN 5310-00-918-6921 is 5310

2. Does the NSN 5310-00-918-6921 have a Schedule B code assigned?

   Yes, the Schedule B code is 8710000090

3. Does NSN 5310-00-918-6921 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 5310-00-918-6921 contain precious materials?

   Precious metal content is unknown

5. Does NSN 5310-00-918-6921 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 5310-00-918-6921 was assigned to the Federal Catalog?

   It was assigned 60 years ago, on Wed, Aug 3, 1966