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FFW84CLASSBTYPE1 Lock Washer

5310-00-637-3793

Specifications, compliance details, and sourcing options for this NSN. Request a quote to confirm availability, pricing, and lead time.

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Featured Parts

377-36168-000
4720-01-691-9921
Nonmetallic Hose
377-39312-00ITEM8
5940-01-633-1192
Terminal Board
377-40
5340-00-680-4557
Loop Clamp
377-41976-000 REV E ITEM 43
4820-01-677-7346
Ball Valve
377-41976-000 REV E ITEM 69
4820-01-677-7344
Flow Control Valve
377-41976-000 REV E ITEM 85
5330-01-677-7215
Gasket
377-42935-000 TABLE 1 ITEM 23,24
5331-01-674-1715
O-Ring
377-42936-000 TABLE 1 ITEM 112T
5331-01-674-4904
O-Ring

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Official Item Classification

Name
Lock Washer
Part Number
FFW84CLASSBTYPE1
(NSN) National Stock Number
5310-00-637-3793
(FSG) Federal Supply Group
53 Hardware and Abrasives
(FSC) Federal Supply Classification
5310 Nuts and Washers
(INC) Item Name Code
14218
(FIIG) Federal Item Identification Guide
A022B0
Date
01/01/1963 (63 years ago)

45.0 rockwell c minimum and 53.0 rockwell c maximum hardness rating, steel comp 420 overall material, 0.239 inches maximum outside diameter, 0.141 inches minimum and 0.151 inches maximum hole diameter, 0.025 inches nominal material thickness

Specs & Compatibility

Hole Diameter

0.141 inches minimum and 0.151 inches maximum

Outside Diameter

0.239 inches maximum

Material Thickness

0.025 inches nominal

Hardness Rating

45.0 rockwell c minimum and 53.0 rockwell c maximum

Material

steel comp 420 overall

Material Document And Classification

66 fed std single material response or aisi national spec single material response or sae j405 national spec single material response overall

Style Designator

split helical-right hand

Nondefinitive Spec/Std Data

b class and 1 style

Regulatory Compliance

Precious Metals Indicator
U

Precious metal content is unknown

Criticality Code
X

The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.

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

Pseudo Item Name Code

0014218

Related Hardware Products

Part Number Description
FFW84CLASSBTYPE1 Lock Washer
MS3533-79 Lock Washer

Frequently Asked Questions

What is the FSCG of the NSN 5310-00-637-3793?
The FSCG of the NSN 5310-00-637-3793 is 5310
Does the NSN 5310-00-637-3793 have a Schedule B code assigned?
Yes, the Schedule B code is 7318210000
Does NSN 5310-00-637-3793 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.
Does NSN 5310-00-637-3793 contain precious materials?
Precious metal content is unknown
Does NSN 5310-00-637-3793 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.
When the NSN 5310-00-637-3793 was assigned to the Federal Catalog?
It was assigned 63 years ago, on Tue, Jan 1, 1963