504B8-31-89
View detailed technical data, stock status, and sourcing information for: 504B8-31-89
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Federal Supply Group
Hardware and Abrasives
Federal Supply Classification
5310 Nuts and Washers
National Stock Number
5310-00-264-1395
Item Name Code
13393
Assigment Date
01/01/1963 (63 years ago)
round center hole shape style, rectangular cross-sectional shape style, 0.031 inches nominal thickness, 0.140 inches minimum and 0.145 inches maximum hole diameter, round peripheral shape style
Product Characteristics
Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.
- Cross-Sectional Shape Style
- rectangular
- Hole Diameter
- 0.140 inches minimum and 0.145 inches maximum
- Peripheral Shape Style
- round
- Center Hole Shape Style
- round
- Thickness
- 0.031 inches nominal
- Overall Diameter
- 0.250 inches minimum and 0.260 inches maximum
- Material
- steel overall
- Material Document And Classification
- qq-s-636-canceled fed spec single material response overall
- Surface Treatment
- cadmium overall
Replaces National Stock Numbers
Below is a list of NSNs that have been officially superseded by this NSN:
| NSN | Name | Date |
|---|---|---|
| 5310-00-143-5667 | No Name Available | 05/16/1966 |
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 |
|---|---|
| 41271 | Flat Washer |
| 41271EAL | Flat Washer |
| 503-2-04023 | Flat Washer |
| 503/4/04023 | Flat Washer |
| 504B8-31-89 | Flat Washer |
| 545C473P5 | Flat Washer |
FAQs
Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.
What is the FSCG of the NSN 5310-00-264-1395?
The FSCG of the NSN 5310-00-264-1395 is 5310
Does the NSN 5310-00-264-1395 have a Schedule B code assigned?
Yes, the Schedule B code is 7318220000
Does NSN 5310-00-264-1395 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 5310-00-264-1395 contain precious materials?
Precious metal content is unknown
Does NSN 5310-00-264-1395 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 5310-00-264-1395 was assigned to the Federal Catalog?
It was assigned 63 years ago, on Tue, Jan 1, 1963
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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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.
| As Removed | 1 |
| New Material | 110 |
| New Surplus | 260 |
| Serviceable | 1 |
| Overhauled | 1 |
| Total | 373 |
Availability of this item was last updated on:
01/30/2026 03:01 PM EST.
Stock levels and pricing are subject to change.