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 5305-00-437-2178 (5305004372178). 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: | 5305004372178 |
| Manufacturers | Lockheed Martin Corporation |
| Item Name | Screw Shoulder |
| INC Code | 22846 |
| Federal Supply Group (FSG) | 53 Hardware and Abrasives |
| Federal Supply Class (FSC) | 5305 Screws |
| National Item Identification Number (NIIN) | 00-437-2178 (004372178) |
| NCB Code | USA (00) |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 2A |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASA | THREAD LENGTH | 0.246 INCHES MINIMUM AND 0.256 INCHES MAXIMUM |
| AASB | FASTENER LENGTH | 0.550 INCHES NOMINAL |
| AASK | HEAD STYLE | FLAT CHAMFER |
| AASL | HEAD DIAMETER | 0.438 INCHES NOMINAL |
| AASU | HEAD HEIGHT | 0.063 INCHES NOMINAL |
| AATN | SHOULDER DIAMETER | 0.3112 INCHES MINIMUM FIRST SHOULDER AND 0.3117 INCHES MAXIMUM FIRST SHOULDER |
| AATX | SHOULDER LENGTH | 0.164 INCHES MINIMUM FIRST SHOULDER AND 0.174 INCHES MAXIMUM FIRST SHOULDER |
| ABQZ | INTERNAL DRIVE STYLE | SLOT |
| AHYM | NOMINAL THREAD DIAMETER | 0.250 INCHES |
| CMLP | THREAD QUANTITY PER INCH | 28 |
| CQBC | MINIMUM TENSILE STRENGTH | 125000 POUNDS PER SQUARE INCH |
| CWYB | SHOULDER SHAPE | ROUND FIRST SHOULDER |
| MATT | MATERIAL | STEEL COMP 8630 OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-6050 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| THSD | THREAD SERIES DESIGNATOR | UNF |
| 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) |
We hope that you will visit us again the next time you need board-level components, aviation and aerospace parts, and more. Allow us to serve as your strategic purchasing partner.
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