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Quality guaranteed We sell only warrantied and traceable partsASAP NSN Distribution, owned and operated by ASAP Semiconductor, is an all-inclusive purchasing platform for hard-to-find and in-demand parts and components pertaining to the civil aviation, defense, aerospace, industrial, and IT hardware markets. As such, we have an inventory in excess of two billion new and obsolete parts, among which is an impressive selection of NSN parts and much more. This includes items such as Washer Spring Tensi ST4M178A4 from manufacturer Tech Etch Inc and many more, all of which are available with short lead times and competitive prices. For NSN parts, you won’t find a more inclusive source than ASAP NSN Distribution.
An NSN is a 13-digit numeric code that serves to identify 'standardized material items of supply' as they have been recognized by all NATO countries and the United States Department of Defense. ASAP NSN Distribution is an AS9120B, ISO 9001:2015, and FAA AC 0056B accredited business, as well as the only independent distributor with a strict no China sourcing pledge, ensuring the quality of every NSN part we sell. Furthermore, the parametric search capabilities of our site allow users to search for parts from specific NSNs like 5310010304920, specific manufacturers like Tech Etch Inc, and a broad range of other filters. To begin the purchasing process immediately, submit an RFQ today.
| NSN | FSC | NIIN | CLS | Hazmat | DEMIL | Cancelled NSN |
|---|---|---|---|---|---|---|
| 5310-01-030-4920 Item Description: Washer Spring Tensi | 5310 | 010304920 | 0 | N | ||
| CIIC | HCC | ESD | PMIC | Criticality | ENAC | |
| U | U | |||||
| Part Number | ISC | RNVC | RNCC | HCC | MSDS | SADC |
| St4m178a4 | 2 | 2 | 1 |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAUB | HOLE DIAMETER | 2.400 INCHES NOMINAL |
| ABKV | OUTSIDE DIAMETER | 2.860 INCHES NOMINAL |
| ABKW | OVERALL HEIGHT | 0.307 INCHES NOMINAL |
| ABPX | MATERIAL THICKNESS | 0.025 INCHES NOMINAL |
| FEAT | SPECIAL FEATURES | ONE TAB,0.200 IN. W,ON EACH SIDE OF CENTER HOLE |
| MATT | MATERIAL | COPPER ALLOY 172 OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-C-533,TEMPER AT FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| SFTT | SURFACE TREATMENT | TIN OVERALL |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-T-10727 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| STYL | STYLE DESIGNATOR | SPRING TENSION |
We Hope that You Will Visit Us Again the Next Time You Need NSN Parts and Make Us Your Strategic Purchasing Partner.
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