ASAP Semiconductor is an industry-leading distributor for shopping for parts by National Stock Number (NSN) data, the items featured within this catalog all falling under NSN 5310-01-108-7521 (5310011087521). Toward the top of this page, you will find several details that pertain to this NSN, allowing you to confirm various aspects of these offerings to ensure accurate procurement. Meanwhile, the part numbers that we have available for purchase can be found below, with Request for Quote (RFQ) links provided alongside each should you wish to make a purchase. Our team is also available by phone or email to support you during the procurement process, so never hesitate to take the first step with us.
| Alternative NSN: | 5310011087521 | 
| Manufacturers | Mark Controls Corp | 
| Item Name | Washer Flat | 
| INC Code | 13393 | 
| Federal Supply Group (FSG) | 53 Hardware and Abrasives | 
| Federal Supply Class (FSC) | 5310 Nuts and Washers | 
| National Item Identification Number (NIIN) | 01-108-7521 (011087521) | 
| NCB Code | USA (01) | 
| Part No | Manufacturer | Item Name | CAGE Code | Type | Status | Availability | RFQ | |
|---|---|---|---|---|---|---|---|---|
| 13318 | mark controls corp | washer flat | 85578 | a | a | Avl | RFQ |  | 
| 1WA5-126G-1 | mark controls corp | washer flat | 85578 | a | a | Avl | RFQ |  | 
| MRC | Criteria | Characteristic | 
|---|---|---|
| ABRY | LENGTH | 1.359 INCHES MINIMUM AND 1.391 INCHES MAXIMUM | 
| SPCL | SPECIAL TEST FEATURES | SPECIAL QUALITY CONTROL TESTING | 
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-698 FED SPEC ALL MATERIAL RESPONSES OVERALL | 
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TY 2,CL 1 FED SPEC SINGLE TREATMENT RESPONSE OVERALL | 
| MATT | MATERIAL | STEEL COMP 1008 OR STEEL COMP 1009 OR STEEL COMP 1015 OR STEEL COMP 1018 OR STEEL COMP 1020 OVERALL | 
| SR-5 | THE MANUFACTURERS DATA | |
| ABMX | CENTER HOLE SHAPE STYLE | ROUND | 
| AAUB | HOLE DIAMETER | 0.453 INCHES MINIMUM AND 0.485 INCHES MAXIMUM | 
| ABNM | THICKNESS | 0.058 INCHES NOMINAL | 
| SR-5 | MANUFACTURERS CODE | 85578 | 
| HEAT | III HEAT TREATMENT | HOT ROLLED | 
| SR-5 | DESIGN CONTROL REFERENCE | 1WA5-126G-1 | 
| AAGR | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR | 
| CRTL | CRITICALITY CODE JUSTIFICATION | ZZZY | 
| SFTT | SURFACE TREATMENT | CADMIUM AND CHROMATE OVERALL | 
| ZZZY | REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS | AS DIFFERENTIATED BY MATERIAL WHICH MUST CONFORM TO SHIPS PARTS CONTROL CENTER SPECIAL QUALITY CONTROL PROVISIONS AND CERTIFIED FREE FROM MERCURY CONTAMINATION | 
| 5325-01-531-6331 (5325015316331) | 5340-01-021-3819 (5340010213819) | 5320-01-163-4012 (5320011634012) | 5331-01-461-7036 (5331014617036) | 
| 5310-01-670-9012 (5310016709012) | 5305-01-207-7518 (5305012077518) | 5310-00-546-5643 (5310005465643) | 5330-00-594-5133 (5330005945133) | 
| 5330-01-126-8670 (5330011268670) | 5310-01-561-6112 (5310015616112) | 5330-01-119-3684 (5330011193684) | 5340-01-557-0618 (5340015570618) | 
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