| Item Name | Insert Screw Thread |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5325 Fastening Devices |
| National Item Identification Number (NIIN) | 01-234-6518 (012346518) |
| NCB Code | USA (01) |
| Manufacturer | Espey Mfg And Electronics Corp, Alcoa Global Fasteners Inc |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 3B |
| ABRY | LENGTH | 0.385 INCHES MINIMUM AND 0.415 INCHES MAXIMUM |
| BZGJ | INSERT SIZE | 0.438-20 UNC 2A |
| BZYF | INTERNAL THREAD RELIEF DEPTH | 0.150 INCHES NOMINAL |
| BZYG | FULL INTERNAL THREAD LENGTH | 0.250 INCHES NOMINAL |
| CMLP | THREAD QUANTITY PER INCH | 32 |
| CQJX | NOMINAL THREAD SIZE | 0.190 INCHES |
| SFTT | SURFACE TREATMENT | CADMIUM OVERALL |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TYPE 1,CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| STYL | STYLE DESIGNATOR | KEYLOCK |
| THSD | THREAD SERIES DESIGNATOR | UNF |
| Relevant Components for NSN - 5325-01-234-6518, 5325012346518 | ||||
| 5320-01-093-5687 (5320010935687) | 5340-00-286-8500 (5340002868500) | 5310-00-797-4430 (5310007974430) | 5331-01-548-6940 (5331015486940) | |
| 5340-01-389-2408 (5340013892408) | 5340-01-499-3481 (5340014993481) | 5310-01-418-9739 (5310014189739) | 5320-01-419-8697 (5320014198697) | |
| 5340-01-681-6722 (5340016816722) | 5340-01-620-4639 (5340016204639) | 5340-01-481-2087 (5340014812087) | 5331-01-097-0869 (5331010970869) | |
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