5340-00-421-4957
Find complete technical information, availability, and procurement data for: 5340-00-421-4957
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Federal Supply Group
Hardware and Abrasives
Federal Supply Classification
5340 Commercial Hardware
National Stock Number
5340-00-421-4957
Item Name Code
40280
Assigment Date
12/18/1970 (55 years ago)
0.438 inches nominal length, astm a581 assn std single material response overall material document and classification, hexagon cross-sectional shape, 0.187 inches nominal width across flats, steel overall material
Product Characteristics
Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.
- Length
- 0.438 inches nominal
- Cross-Sectional Shape
- hexagon
- Width Across Flats
- 0.187 inches nominal
- Material
- steel overall
- Material Document And Classification
- astm a581 assn std single material response overall
- Surface Treatment
- passivate overall
- Surface Treatment Document And Classification
- qq-p-35 fed spec single treatment response or mil-f-14072, finish e300 mil spec single treatment response overall
- Style Designator
- internally threaded full length
- Specification/Standard Data
- 80205-nas1786 professional/industrial association standard
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 |
|---|---|
| 10163901 | Spacing Threaded Standoff |
| 532353-205 | Spacing Threaded Standoff |
| 8105-SS-0256-7 | Spacing Threaded Standoff |
| NAS1786C02-7 | Spacing Threaded Standoff |
FAQs
Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.
What is the FSCG of the NSN 5340-00-421-4957?
The FSCG of the NSN 5340-00-421-4957 is 5340
Does NSN 5340-00-421-4957 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 5340-00-421-4957 contain precious materials?
Item does not contain precious metal.
Does NSN 5340-00-421-4957 contain hazardous materials?
Indicates there is no information in the hmirs. The nsn is in a fsc in table ii of fed std 313 and a msds may be required by the user. The requirement for a msds is dependent on a hazard determination of the supplier or the intended end use of item.
When the NSN 5340-00-421-4957 was assigned to the Federal Catalog?
It was assigned 55 years ago, on Fri, Dec 18, 1970
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 Material | 294 |
| New Surplus | 119 |
| As Removed | 1 |
| Serviceable | 1 |
| Total | 415 |
Availability of this item was last updated on:
04/10/2026 05:04 PM EDT.
Stock levels and pricing are subject to change.