| Item Name | Back Up Ring Preformed Packing |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5330 Packing and Gasket Materials |
| National Item Identification Number (NIIN) | 01-633-6998 (016336998) |
| NCB Code | USA (01) |
| Manufacturer | National Instruments Corporation, Tescom Corporation, Electric Boat Corporation |
| Part Number | Manufacturer | Item Name | Cage Code | RFQ |
|---|---|---|---|---|
| 8139-9D0 | national instruments corporation | back up ring preformed packing | 03950 | RFQ |
| 7550478-26-29XX-XXXXA020-25D0 | national instruments corporation | back up ring preformed packing | 03950 | RFQ |
| 26-29XX-XXXXA020-025 | tescom corporation | back up ring preformed packing | 13669 | RFQ |
| 26-29XX-XXXXA020-025D0 | national instruments corporation | back up ring preformed packing | 03950 | RFQ |
| G547-0002-26-29XX-XXXXA020-25 | electric boat corporation | back up ring preformed packing | 96169 | RFQ |
| G547-0002-26-29XX-XXXXA020-25D0 | national instruments corporation | back up ring preformed packing | 03950 | RFQ |
| 8138-9 | tescom corporation | back up ring preformed packing | 13669 | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| CRTL | CRITICALITY CODE JUSTIFICATION | ZZZY |
| ZZZY | REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS | MATERIAL CONTROLLED IAW SS800-AG-MAN-010/P9290 SYSTEM CERTIFICATION PROCEDURES AND CRITERIA MANUAL FOR DEEP SUBMERGENCE SYSTEMS AND REQUIRES CLEANING, PACKING, AND MARKING IAW MIL-STD-1622 OR MIL-STD-1330 AS DEEMED APPLICABLE; CRITICAL ITEM |
| Relevant Components for NSN - 5330-01-633-6998, 5330016336998 | ||||
| 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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