| Item Name | Washer Recessed |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5310 Nuts and Washers |
| National Item Identification Number (NIIN) | 00-818-0520 (008180520) |
| NCB Code | USA (00) |
| Manufacturer | Northrop Grumman Systems Corporation |
| Part Number | Manufacturer | Item Name | Cage Code | RFQ |
|---|---|---|---|---|
| A51B21014-11 | northrop grumman systems corporation | washer recessed | 79rg9 | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| ABPX | MATERIAL THICKNESS | 0.080 INCHES NOMINAL |
| MATT | MATERIAL | STEEL COMP 4130 OVERALL |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-C-8837 TY 2 CL 1 MIL SPEC 1ST TREATMENT RESPONSE OVERALL OR QQ-P-35 FED SPEC 2ND TREATMENT RESPONSE OVERALL |
| TEST | TEST DATA DOCUMENT | 81349-MIL-I-6868 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS,BROCHURES,ETC.,THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS,INDUSTRY DIRECTORIES,AND SIMILAR TRADE PUBLICATIONS,REFLECTIN |
| AAUB | HOLE DIAMETER | 0.378 INCHES MINIMUM AND 0.388 INCHES MAXIMUM |
| ABKV | OUTSIDE DIAMETER | 0.750 INCHES NOMINAL |
| ABMD | RECESS DIAMETER | 0.483 INCHES MINIMUM AND 0.495 INCHES MAXIMUM |
| CQFM | HARDNESS RATING | 33.0 ROCKWELL C MINIMUM AND 37.0 ROCKWELL C MAXIMUM |
| CSTM | RECESS ANGLE | 90.0 DEGREES NOMINAL |
| HEAT | HEAT TREATMENT | AS FABRICATED |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-18729 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| SFTT | SURFACE TREATMENT | CADMIUM OVERALL OR PASSIVATE OVERALL |
| STYL | STYLE DESIGNATOR | RECESSED |
| Relevant Components for NSN - 5310-00-818-0520, 5310008180520 | ||||
| 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) | |
If You’re Ever Looking for NSN parts Or Have an Aircraft On Ground Situation, Don’t forget That We offer Competitive Pricing and Guaranteed On-Time Delivery.
Request for Quote
