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NSN 0441436A01

Lock Washer

An externally threaded fastener whose threaded portion is of one nominal diameter, no 0 (0.060 in./1.5 mm) or larger, designed to be held or driven with either a wrench or an inserted driver or both (excluding internal socket or internal multiple spline types), in sizes below no. 10 (0.190 in./5 mm). No. 10 and larger sizes must have a head designed for any type inserted driver (excluding internal socket or internal multiple spline types), but may also be designed for external wrenching. A locking feature may be incorporated in the design of the head or threads. Excludes:bolt, clevis; bolt, externally relieved body; screw, externally relieved body; and screw, assembled washer. See also, screw, instrument; bolt, machine; bolt, internal wrenching; and screw, cap socket head.

unable to decode material, 0.948 inches minimum and 0.972 inches maximum outside diameter, 0.093 inches nominal material thickness, 0.636 inches minimum and 0.660 inches maximum hole diameter, 45.0 rockwell c minimum and 53.0 rockwell c maximum hardness rating.

NSN 5310-00-245-8670 Datasheet

(NSN) National Stock Number
5310-00-245-8670
(FSG) Federal Supply Group
53 - Hardware and Abrasives
(FSC) Federal Supply Classification
5310 - Nuts and Washers
(NIIN) National Item Identification Number
00-245-8670
Requires Demilitarization
Yes
(INC) Item Name Code
14218
Date
Sun, Jan 9, 1972
Schedule B Code
7318210000
Hardness Rating
45.0 rockwell c minimum and 53.0 rockwell c maximum
Hole Diameter
0.636 inches minimum and 0.660 inches maximum
Material Thickness
0.093 inches nominal
Material
unable to decode
Outside Diameter
0.948 inches minimum and 0.972 inches maximum
Style Designator
split helical-right hand
Surface Treatment

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
0014218

Cross Reference

CAGE Codes

24975
Prestolite Electric Inc
U.s./canadian manufacturers
31211
Motorola Automotive Electronics
Non-manufacturers

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
U - 50.0
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
55210
Water Commodity
713 - Metal hardware
National Motor Freight Classification Item Number
194160

Schedule B & Trade

Schedule B
7318-21-0000
Description
spring washers and other lock washers, iron or steel
End Use
12300 - Finished metal shapes
Unit of Quantity
KG
USDA
Yes
(SITC) Standard International Trade Classification
69422
(NAICS) North American Industrial Classification System
332722

Questions & Answers

  1. What is the FSCG of the NSN 5310-00-245-8670?

    The FSCG of the NSN 5310-00-245-8670 is 5310

  2. Does the NSN 5310-00-245-8670 have a Schedule B code assigned?

    Yes, the Schedule B code is 7318210000

  3. Does NSN 5310-00-245-8670 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 5310-00-245-8670 contain precious materials?

    Item does not contain precious metal.

  5. Does NSN 5310-00-245-8670 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 5310-00-245-8670 was assigned to the Federal Catalog?

    It was assigned 54 years ago, on Sun, Jan 9, 1972

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