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 5305-01-421-7541 (5305014217541). 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: | 5305014217541 |
| 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) | 01-421-7541 (014217541) |
| NCB Code | USA (01) |
| Part No | Manufacturer | Item Name | CAGE Code | Type | Status | Availability | RFQ | |
|---|---|---|---|---|---|---|---|---|
| NAS1580C4R21DP | national aerospace standards com | screw close tolerance | 80205 | c | a | Avl | RFQ |
|
| MRC | Criteria | Characteristic |
|---|---|---|
| AASK | Head Style | FLAT COUNTERSUNK |
| AAWB | Shank Unthreaded Hole Diameter | 0.076 INCHES MINIMUM FIRST HOLE AND 0.086 INCHES MAXIMUM FIRST HOLE |
| CMLP | Thread Quantity Per Inch | 28 |
| SFTT | Surface Treatment | CADMIUM OVERALL AND CHROMATE OVERALL |
| THSD | Thread Series Designator | UNJF |
| AASA | Thread Length | 0.403 INCHES NOMINAL |
| AASL | Head Diameter | 0.464 INCHES MINIMUM AND 0.506 INCHES MAXIMUM |
| MDCL | Material Document And Classification | AMS 5731 ASSN STD SINGLE MATERIAL RESPONSE OVERALL OR AMS 5732 ASSN STD SINGLE MATERIAL RESPONSE OVERALL OR AMS 5737 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| CRZS | Distance From Head Largest Bearing Surface To Shank Hole Center | 1.599 INCHES NOMINAL FIRST HOLE |
| AAJF | Thread Direction | RIGHT-HAND |
| ABQZ | Internal Drive Style | TORQUE-SET RIBBED |
| ANEE | Grip Length | 1.302 INCHES MINIMUM AND 1.322 INCHES MAXIMUM |
| AHYM | Nominal Thread Diameter | 0.250 INCHES |
| AASB | Fastener Length | 1.700 INCHES MINIMUM AND 1.730 INCHES MAXIMUM |
| ZZZK | Specification/Standard Data | 80205-NAS1580 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| AAUR | Grip Diameter | 0.2485 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM |
| CRSQ | Countersink Angle | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM |
| MRC | Decoded Requirement | Clear Text Reply |
| MATT | Material | IRON ALLOY 660 OVERALL |
| STDC | Surface Treatment Document And Classification | QQ-P-416 TY 2 CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| AAJD | Thread Class | 3A |
| 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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