| Item Name | Nut Self Locking Hexagon |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5310 Nuts and Washers |
| National Item Identification Number (NIIN) | 01-568-0756 (015680756) |
| NCB Code | USA (01) |
| Manufacturer | National Instruments Corporation, Huntington Ingalls Incorporated |
| Part Number | Manufacturer | Item Name | Cage Code | RFQ |
|---|---|---|---|---|
| 501-4457016 ITEM NO 25L1 | national instruments corporation | nut self locking hexagon | 03950 | RFQ |
| 501-4457023 ITEM NO 25L1 | national instruments corporation | nut self locking hexagon | 03950 | RFQ |
| 6503-77 ITEM 25 | huntington ingalls incorporated | nut self locking hexagon | 43689 | RFQ |
| 6503-77 ITEM NO 25L1 | national instruments corporation | nut self locking hexagon | 03950 | RFQ |
| 6503-86 ITEM NO 25 | huntington ingalls incorporated | nut self locking hexagon | 43689 | RFQ |
| 6503-86 ITEM NO 25L1 | national instruments corporation | nut self locking hexagon | 03950 | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| MATT | Material | STEEL CORROSION RESISTING OVERALL |
| MRC | Decoded Requirement | Clear Text Reply |
| FEAT | Special Features | NUT, TWO INCHES -4-1/2 UNC-2B, CRES. |
| ZZZY | Reference Number Differentiating Characteristics | MATERIAL CONTROLLED IAW NAVSEA 0948-LP-045-7010 MATERIAL CONTROL STANDARD FOR LEVEL 1 ITEMS. CRITICAL ITEM FOR SAFETY AND SUTVIVAL OF DEEP SUBMERGENCE RESEARCH AND RESCUR VEHICELS AS DIFFERENTIATED BY SPECIAL TEST FEATURES. |
| CRTL | Criticality Code Justification | ZZZY |
| Components Related to NSN - 5310-01-568-0756, 5310015680756 | ||||
| 5330-00-154-7423 (5330001547423) | 5365-01-326-1135 (5365013261135) | 5306-01-053-6961 (5306010536961) | 5310-00-523-2141 (5310005232141) | |
| 5325-01-240-1213 (5325012401213) | 5360-01-089-4004 (5360010894004) | 5330-01-089-6878 (5330010896878) | 5330-01-125-9042 (5330011259042) | |
| 5365-01-447-3568 (5365014473568) | 5340-00-967-7591 (5340009677591) | 5305-00-733-6616 (5305007336616) | 5310-01-278-4520 (5310012784520) | |
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