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5310-01-276-3344

Spring Tension Washer

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

FRB7500P-8-B-4
5305-01-249-8607
Panel Screw Assembly
FRB7500P-8-B-6
5305-01-451-3623
Panel Screw Assembly
FRB7500P-8-C-4
5305-01-370-8782
Externally Relieved Body Screw
FRB7500P-8-C-5
5305-01-086-3470
Screw
FRB7500P12CB5
5305-01-621-4257
Panel Screw Assembly
FRB7500P4-B-1
5305-01-470-7721
Panel Screw Assembly
FRB7500P4-B-2
5305-01-470-7522
Panel Screw Assembly
FRB7500P4-B-3
5305-01-509-3151
Panel Screw Assembly

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Official Item Classification

Name
Spring Tension Washer
(NSN) National Stock Number
5310-01-276-3344
(FSG) Federal Supply Group
53 Hardware and Abrasives
(FSC) Federal Supply Classification
5310 Nuts and Washers
(INC) Item Name Code
15938
(FIIG) Federal Item Identification Guide
A022B0
Date
04/07/1988 (38 years ago)

0.027 inches minimum and 0.033 inches maximum overall height, 0.010 inches minimum and 0.012 inches maximum material thickness, 0.340 inches minimum and 0.345 inches maximum outside diameter, 350.0 vickers or firth diamond pyramid minimum and 380.0 vickers or firth diamond pyramid maximum hardness rating, 0.176 inches minimum and 0.181 inches maximum hole diameter

Specs & Compatibility

Hole Diameter

0.176 inches minimum and 0.181 inches maximum

Outside Diameter

0.340 inches minimum and 0.345 inches maximum

Overall Height

0.027 inches minimum and 0.033 inches maximum

Material Thickness

0.010 inches minimum and 0.012 inches maximum

Hardness Rating

350.0 vickers or firth diamond pyramid minimum and 380.0 vickers or firth diamond pyramid maximum

Material

copper alloy 172 overall

Material Document And Classification

astm b194,1/4 hard assn std single material response overall

Regulatory Compliance

Precious Metals Indicator
A

Item does not contain precious metal.

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.

Pseudo Item Name Code

0015938

Related Hardware Products

Part Number Description
3-4819-8-412-52 Spring Tension Washer
BS SP 134-C Spring Tension Washer
M12133/3-176 Spring Tension Washer

Frequently Asked Questions

What is the FSCG of the NSN 5310-01-276-3344?
The FSCG of the NSN 5310-01-276-3344 is 5310
Does the NSN 5310-01-276-3344 have a Schedule B code assigned?
Yes, the Schedule B code is 7415210000
Does NSN 5310-01-276-3344 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 5310-01-276-3344 contain precious materials?
Item does not contain precious metal.
Does NSN 5310-01-276-3344 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 5310-01-276-3344 was assigned to the Federal Catalog?
It was assigned 38 years ago, on Thu, Apr 7, 1988