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5310-01-138-2271

Find complete technical information, availability, and procurement data for: 5310-01-138-2271

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5310-01-138-2271
Federal Supply Group
Hardware and Abrasives
Federal Supply Classification
5310 Nuts and Washers
National Stock Number
5310-01-138-2271
Item Name Code
15933
Assigment Date
09/08/1982 (43 years ago)

0.396 inches minimum and 0.406 inches maximum recess diameter, 0.314 inches minimum and 0.322 inches maximum hole diameter, 89.0 degrees minimum and 91.0 degrees maximum recess angle, 0.515 inches minimum and 0.535 inches maximum outside diameter, 0.106 inches minimum and 0.114 inches maximum material thickness

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Hole Diameter
0.314 inches minimum and 0.322 inches maximum
Outside Diameter
0.515 inches minimum and 0.535 inches maximum
Recess Diameter
0.396 inches minimum and 0.406 inches maximum
Material Thickness
0.106 inches minimum and 0.114 inches maximum
Recess Angle
89.0 degrees minimum and 91.0 degrees maximum
Color
blue, light overall
Material
steel corrosion resisting overall
Material Document And Classification
ams5604,cond h1025 assn std single material response or ams5643,cond h1025 assn std single material response overall
Surface Treatment
passivate overall
Style Designator
recessed

Related Parts

This NSN group includes multiple components designed to meet specific performance and operational standards. Each listing provides detailed specs, functionality data, and replacement compatibility information:

Part Number Name
ST4M150E5002 Recessed Washer

FAQs

Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.

What is the FSCG of the NSN 5310-01-138-2271?
The FSCG of the NSN 5310-01-138-2271 is 5310
Does the NSN 5310-01-138-2271 have a Schedule B code assigned?
Yes, the Schedule B code is 7318220000
Does NSN 5310-01-138-2271 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 5310-01-138-2271 contain precious materials?
Item does not contain precious metal.
Does NSN 5310-01-138-2271 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 5310-01-138-2271 was assigned to the Federal Catalog?
It was assigned 43 years ago, on Wed, Sep 8, 1982

Professional Distribution

Certified to meet the strict requirements of defense, aerospace, and hazardous materials distribution.

  • ITAR Registered
  • DDTC Registered
  • HAZMAT Certified
  • AS9120 Quality Standards
  • 100% Quality Inspections

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Pricing

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ITAR Registered

In Stock

This item is currently available and ready for prompt shipment. Units may be offered in various conditions — new, surplus, or refurbished — and stored at verified global facilities. Request a quote to confirm current stock and delivery time.

New Material 40
New Surplus 121
Total 161
Availability of this item was last updated on: 05/12/2026 11:05 AM EDT. Stock levels and pricing are subject to change.

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