KNKD420
View detailed technical data, stock status, and sourcing information for: KNKD420
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Federal Supply Group
Hardware and Abrasives
Federal Supply Classification
5325 Fastening Devices
National Stock Number
5325-01-006-4124
Item Name Code
11444
Assigment Date
07/17/1975 (51 years ago)
0.400 inches nominal length, 0.500-20 unf 2a insert size, 0.150 inches nominal internal thread relief depth, 0.250 inches nominal full internal thread length, 3b thread class
Product Characteristics
Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.
- Thread Class
- 3b
- Length
- 0.400 inches nominal
- Insert Size
- 0.500-20 unf 2a
- Internal Thread Relief Depth
- 0.150 inches nominal
- Full Internal Thread Length
- 0.250 inches nominal
- Thread Quantity Per Inch
- 20
- Nominal Thread Size
- 0.250 inches
- Material
- steel comp 4140 overall
- Material Document And Classification
- mil-s-5626 mil spec single material response overall
- Style Designator
- keylock
- Thread Series Designator
- unc
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FAQs
Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.
What is the FSCG of the NSN 5325-01-006-4124?
The FSCG of the NSN 5325-01-006-4124 is 5325
Does the NSN 5325-01-006-4124 have a Schedule B code assigned?
Yes, the Schedule B code is 9606100000
Does NSN 5325-01-006-4124 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 5325-01-006-4124 contain precious materials?
Precious metal content is unknown
Does NSN 5325-01-006-4124 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 5325-01-006-4124 was assigned to the Federal Catalog?
It was assigned 51 years ago, on Thu, Jul 17, 1975
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.
| New Surplus | 12 |
| New Material | 5 |
| Total | 17 |
Availability of this item was last updated on:
04/09/2026 05:04 PM EDT.
Stock levels and pricing are subject to change.