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 5305-01-461-8943 (5305014618943). 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: | 5305014618943 |
| Manufacturers | National Aerospace Standards Com |
| Item Name | Screw Close Tolerance |
| INC Code | 29294 |
| Federal Supply Group (FSG) | 53 Hardware and Abrasives |
| Federal Supply Class (FSC) | 5305 Screws |
| National Item Identification Number (NIIN) | 01-461-8943 (014618943) |
| NCB Code | USA (01) |
| Part No | Manufacturer | Item Name | CAGE Code | Type | Status | Availability | RFQ | |
|---|---|---|---|---|---|---|---|---|
| NAS1581C4R23 | national aerospace standards com | screw close tolerance | 80205 | c | a | Avl | RFQ |
|
| MRC | Criteria | Characteristic |
|---|---|---|
| AHYM | Nominal Thread Diameter | 0.250 INCHES |
| AASK | Head Style | FLAT COUNTERSUNK |
| ANEE | Grip Length | 1.428 INCHES MINIMUM AND 1.440 INCHES MAXIMUM |
| AASL | Head Diameter | 0.350 INCHES MINIMUM AND 0.399 INCHES MAXIMUM |
| AASA | Thread Length | 0.403 INCHES NOMINAL |
| MDCL | Material Document And Classification | AMS5737 ASSN STD SINGLE MATERIAL RESPONSE OVERALL OR AMS5732 ASSN STD SINGLE MATERIAL RESPONSE OVERALL OR AMS5731 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| ABQZ | Internal Drive Style | TORQUE-SET RIBBED |
| MRC | Decoded Requirement | Clear Text Reply |
| AAJF | Thread Direction | RIGHT-HAND |
| SFTT | Surface Treatment | PASSIVATE OVERALL |
| AASB | Fastener Length | 1.826 INCHES MINIMUM AND 1.856 INCHES MAXIMUM |
| THSD | Thread Series Designator | UNJF |
| AAUR | Grip Diameter | 0.2485 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM |
| MATT | Material | IRON ALLOY 660 OVERALL |
| STDC | Surface Treatment Document And Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| CMLP | Thread Quantity Per Inch | 28 |
| ZZZK | Specification/Standard Data | 80205-NAS1581 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| AAJD | Thread Class | 3A |
| CRSQ | Countersink Angle | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM |
| 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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