| Item Name | Washer Key |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5310 Nuts and Washers |
| National Item Identification Number (NIIN) | 00-682-5444 (006825444) |
| NCB Code | USA (00) |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAUB | HOLE DIAMETER | 1.583 INCHES MINIMUM AND 1.603 INCHES MAXIMUM |
| ABKV | OUTSIDE DIAMETER | 2.000 INCHES MINIMUM AND 2.030 INCHES MAXIMUM |
| ABLB | INTERNAL PREBENT KEY LENGTH | 0.094 INCHES MINIMUM AND 0.125 INCHES MAXIMUM |
| ABLF | EXTERNAL PREBENT KEY WIDTH | 0.204 INCHES MINIMUM AND 0.234 INCHES MAXIMUM |
| ABLK | INTERNAL PREBENT KEY WIDTH | 0.250 INCHES MINIMUM AND 0.290 INCHES MAXIMUM |
| ABLX | OVERALL DISTANCE INCLUDING KEYS | 2.469 INCHES MAXIMUM |
| ABMQ | EXTERNAL KEY QUANTITY | 15 |
| ABPX | MATERIAL THICKNESS | 0.053 INCHES MINIMUM AND 0.063 INCHES MAXIMUM |
| AGAV | END ITEM IDENTIFICATION | W/S:SUPPORT EQUIPMENT, C-17A AIRCRAFT; AIRCRAFT, B-2 BOMBER (ATB); ARMORED COMBAT EARTHMOVER (M9); WHIDBEY ISLAND CLASS LSD; OLIVER PERRY CLASS FFG; ARLEIGH BURKE CLASS DDG; AIRCRAFT, STRATOLIFTER C-135; GUN, 5-IN./54 CAL, MK-42 & 45; MK 28 |
| MATT | III MATERIAL | STEEL COMP 1010 OR STEEL COMP 1035 OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | SAE ASSN STD ALL MATERIAL RESPONSES OVERALL |
| SFTT | SURFACE TREATMENT | CADMIUM OVERALL AND CHROMATE OVERALL OR ZINC OVERALL AND CHROMATE OVERALL |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TYPE 2,CLASS 3 FED SPEC 1ST TREATMENT RESPONSE OVERALL OR ASTM B633,TYPE 2,CLASS 3 ASSN STD 2ND TREATMENT RESPONSE OVERALL |
| STYL | STYLE DESIGNATOR | KEY |
| 5305-00-000-0094 (5305000000094) | 5305-00-001-1366 (5305000011366) | 5305-00-001-1367 (5305000011367) | 5305-00-001-1568 (5305000011568) |
| 5305-00-001-1569 (5305000011569) | 5305-00-001-1837 (5305000011837) | 5305-00-001-1918 (5305000011918) | 5305-00-001-1926 (5305000011926) |
| 5305-00-001-1948 (5305000011948) | 5305-00-001-1963 (5305000011963) | 5305-00-001-2011 (5305000012011) | 5305-00-001-2012 (5305000012012) |
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