| Item Name | Washer Key |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5310 Nuts and Washers |
| National Item Identification Number (NIIN) | 00-440-3504 (004403504) |
| NCB Code | USA (00) |
| Manufacturer | L 3 Communications Corporation, Northrop Grumman Systems Corporation |
| Part Number | Manufacturer | Item Name | Cage Code | RFQ |
|---|---|---|---|---|
| 003170 | l 3 communications corporation | washer key | 34228 | RFQ |
| 3170 | l 3 communications corporation | washer key | 34228 | RFQ |
| 547A003170 | l 3 communications corporation | washer key | 34228 | RFQ |
| 547A003170 | northrop grumman systems corporation | washer key | 03956 | RFQ |
| A547-729 | l 3 communications corporation | washer key | 34228 | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAUB | HOLE DIAMETER | 0.750 INCHES NOMINAL |
| ABKV | OUTSIDE DIAMETER | 1.109 INCHES NOMINAL |
| ABKY | EXTERNAL PREBENT KEY LENGTH | 0.078 INCHES NOMINAL |
| ABLF | EXTERNAL PREBENT KEY WIDTH | 0.093 INCHES NOMINAL |
| ABLS | DISTANCE FROM CENTERLINE TO INSIDE OF PREBENT KEY | 0.421 INCHES NOMINAL |
| ABMQ | EXTERNAL KEY QUANTITY | 1 |
| ABPX | MATERIAL THICKNESS | 0.038 INCHES NOMINAL |
| FEAT | SPECIAL FEATURES | FLATTED CENTER HOLE 0.546 IN. W |
| MATT | MATERIAL | STEEL COMP 303 OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A582 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| SFTT | SURFACE TREATMENT | PASSIVATE OVERALL |
| STYL | STYLE DESIGNATOR | KEY |
| Components Related to NSN - 5310-00-440-3504, 5310004403504 | ||||
| 5305-00-058-8627 (5305000588627) | 5305-01-464-0977 (5305014640977) | 5310-01-004-6958 (5310010046958) | 5315-01-470-7865 (5315014707865) | |
| 5340-00-015-2268 (5340000152268) | 5305-00-841-3941 (5305008413941) | 5320-00-205-9596 (5320002059596) | 5340-01-656-4589 (5340016564589) | |
| 5330-00-947-5111 (5330009475111) | 5365-01-569-6583 (5365015696583) | 5340-01-514-2291 (5340015142291) | 5315-01-532-4171 (5315015324171) | |
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