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NSN 681944PC13

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.

0.156 inches minimum material thickness, unable to decode material, 0.636 inches minimum and 0.653 inches maximum hole diameter, unable to decode material document and classification, 45.0 rockwell c minimum and 53.0 rockwell c maximum hardness rating.

NSN 5310-00-012-1574 Datasheet

(NSN) National Stock Number
5310-00-012-1574
(FSG) Federal Supply Group
53 - Hardware and Abrasives
(FSC) Federal Supply Classification
5310 - Nuts and Washers
(NIIN) National Item Identification Number
00-012-1574
Requires Demilitarization
Yes
(INC) Item Name Code
14218
Date
Sun, Jan 1, 1961
Schedule B Code
7318210000
Hardness Rating
45.0 rockwell c minimum and 53.0 rockwell c maximum
Hole Diameter
0.636 inches minimum and 0.653 inches maximum
Material Document And Classification
unable to decode
Material Thickness
0.156 inches minimum
Material
unable to decode
Outside Diameter
1.079 inches maximum
Style Designator
split helical-right hand
Surface Treatment Document And Classification
unable to decode
Surface Treatment
unable to decode

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.
Source of Supply Code
S9I - Defense industrial supply center philadelphia, pennsylvania 19111
Pseudo Item Name Code
0014218

Cross Reference

CAGE Codes

10001
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
U.s./canadian manufacturers
23040
Ford Motor Co Ford Parts and Service Div Government Part Sales
U.s./canadian manufacturers
91340
Met-Pro Corporation
U.s./canadian manufacturers
64959
American Telephone and Telegraph Co
U.s./canadian manufacturers
70408
At and T Corp
U.s./canadian manufacturers
59875
Eaton Corp Dba Eaton Aerospace Jackson
U.s./canadian manufacturers
46717
Pettibone Llc
U.s./canadian manufacturers
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)
D9182
Zf Industrieantriebe Witten Gmbh
Non-us manufacturer (nato), other foreign organization or codification bureaus
14351
Teledyne Continental Motors Industrial Products Div Teledyne Industries Inc Sub of Teledyne Inc
U.s./canadian manufacturers

Freight Information

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 5310-00-012-1574?

    The FSCG of the NSN 5310-00-012-1574 is 5310

  2. Does the NSN 5310-00-012-1574 have a Schedule B code assigned?

    Yes, the Schedule B code is 7318210000

  3. Does NSN 5310-00-012-1574 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 5310-00-012-1574 contain precious materials?

    Item does not contain precious metal.

  5. Does NSN 5310-00-012-1574 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 5310-00-012-1574 was assigned to the Federal Catalog?

    It was assigned 65 years ago, on Sun, Jan 1, 1961

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