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 5310-01-323-4170 (5310013234170). 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: | 5310013234170 | 
| Manufacturers | General Dynamics Defense Systems , Supreme Screw Products Inc | 
| Item Name | Washer Recessed | 
| INC Code | 15933 | 
| Federal Supply Group (FSG) | 53 Hardware and Abrasives | 
| Federal Supply Class (FSC) | 5310 Nuts and Washers | 
| National Item Identification Number (NIIN) | 01-323-4170 (013234170) | 
| NCB Code | USA (01) | 
| MRC | Criteria | Characteristic | 
|---|---|---|
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A582 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | 
| CSTM | RECESS ANGLE | 90.0 DEGREES NOMINAL | 
| AAUB | HOLE DIAMETER | 1.190 INCHES MINIMUM AND 1.210 INCHES MAXIMUM | 
| ABKV | OUTSIDE DIAMETER | 1.625 INCHES NOMINAL | 
| ABMD | RECESS DIAMETER | 1.240 INCHES MINIMUM AND 1.280 INCHES MAXIMUM | 
| ABMH | RECESS DEPTH | 0.025 INCHES MINIMUM AND 0.035 INCHES MAXIMUM | 
| ABPX | MATERIAL THICKNESS | 0.110 INCHES MINIMUM AND 0.130 INCHES MAXIMUM | 
| SFTT | SURFACE TREATMENT | PASSIVATE OVERALL | 
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | ASTM A380 ASSN STD SINGLE TREATMENT RESPONSE OVERALL | 
| STYL | STYLE DESIGNATOR | RECESSED | 
| MATT | MATERIAL | STEEL COMP 416 OVERALL | 
| 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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