| Item Name | Washer Flat |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5310 Nuts and Washers |
| National Item Identification Number (NIIN) | 01-030-4669 (010304669) |
| NCB Code | USA (01) |
| Manufacturer | Hamilton Sundstrand Corporation, Meriden Manufacturing Incorporated, Spartan Aerospace Llc |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAGR | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR |
| AAUB | HOLE DIAMETER | 0.296 INCHES MINIMUM AND 0.302 INCHES MAXIMUM |
| ABMW | PERIPHERAL SHAPE STYLE | ROUND |
| ABMX | CENTER HOLE SHAPE STYLE | ROUND |
| ABNM | THICKNESS | 0.056 INCHES MINIMUM AND 0.069 INCHES MAXIMUM |
| ADAV | OVERALL DIAMETER | 0.495 INCHES MINIMUM AND 0.520 INCHES MAXIMUM |
| CQFM | HARDNESS RATING | 70.0 ROCKWELL B MINIMUM AND 100.0 ROCKWELL B MAXIMUM |
| MATT | MATERIAL | STEEL COMP 304 OVERALL OR STEEL COMP 302 OVERALL OR STEEL COMP 303 OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5513 ASSN STD 1ST MATERIAL RESPONSE OVERALL OR AMS 5515 ASSN STD 2ND MATERIAL RESPONSE OVERALL OR ASTM A582 ASSN STD 3RD MATERIAL RESPONSE OVERALL |
| Relevant Components for NSN - 5310-01-030-4669, 5310010304669 | ||||
| 5330-01-539-5629 (5330015395629) | 5305-01-517-2434 (5305015172434) | 5305-00-057-3980 (5305000573980) | 5325-01-082-8190 (5325010828190) | |
| 5305-99-254-4806 (5305992544806) | 5315-01-592-1130 (5315015921130) | 5330-00-561-7707 (5330005617707) | 5330-01-313-3034 (5330013133034) | |
| 5307-01-185-8617 (5307011858617) | 5330-01-648-9167 (5330016489167) | 5365-00-210-1895 (5365002101895) | 5315-01-061-2903 (5315010612903) | |
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.
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