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 5310-00-739-4190 (5310007394190). 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: | 5310007394190 |
| Manufacturers | Springfield Armory |
| 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) | 00-739-4190 (007394190) |
| NCB Code | USA (00) |
| MRC | Criteria | Characteristic |
|---|---|---|
| MATT | MATERIAL | STEEL COMP 4140 OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-624 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-P-16232 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| AAUB | HOLE DIAMETER | 0.395 INCHES MINIMUM AND 0.400 INCHES MAXIMUM |
| ABKV | OUTSIDE DIAMETER | 0.570 INCHES MINIMUM AND 0.610 INCHES MAXIMUM |
| ABMD | RECESS DIAMETER | 0.515 INCHES NOMINAL |
| ABMH | RECESS DEPTH | 0.060 INCHES MINIMUM AND 0.070 INCHES MAXIMUM |
| ABPX | MATERIAL THICKNESS | 0.110 INCHES MINIMUM AND 0.115 INCHES MAXIMUM |
| CQFM | HARDNESS RATING | 33.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM |
| CSYM | SURFACE FINISH | 125.0 MICROINCHES ALL SURFACES |
| SFTT | SURFACE TREATMENT | PHOSPHATE OVERALL |
| STYL | STYLE DESIGNATOR | RECESSED |
| 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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