We’re pleased to announce that HT-181-4-11 (Screw Close Tolerance, NSN: 5305-01-520-3839) is now in stock and ready for immediate quoting. This component, manufactured by Hi Shear Corporation (CAGE Code: 73197), is classified under NIIN 01-520-3839 and NCB Code 01 (USA), with additional categorization under FSG 53 Hardware and Abrasives/FSC 5305 Screws and INC 29294. Our team can provide same-day shipping for urgent requirements.
To receive your competitive quote within 15 minutes, simply complete our RFQ form part HT-181-4-11, ensuring all required fields are filled. Our streamlined process guarantees fast, no-obligation pricing so you can secure your supply of HT-181-4-11 without delay. Contact us today to meet your procurement needs efficiently
ASAP Part Services, a trusted subsidiary of ASAP Semiconductor, is a premier distributor of Hi Shear Corporation components—specializing in obsolete and hard-to-find parts. As an AS9120B, ISO 9001:2015, and FAA AC 0056B certified supplier, we adhere to the highest industry standards under the Aviation Suppliers Association (ASA). Our global network spans 5,000+ top manufacturers, ensuring access to over 2 billion unique parts for critical needs.
With strategically located shipping centers in California, we offer rapid same-day or next-day delivery on in-stock items like HT-181-4-11. Whether you're sourcing rare components or need expedited logistics, we provide reliable solutions to keep your operations moving forward.
| NSN | FSC | NIIN | CLS | Hazmat | DEMIL | Cancelled NSN |
|---|---|---|---|---|---|---|
| 5305-01-520-3839 Item Description: SCREW,CLOSE TOLERANCE | 5305 | 015203839 | N | |||
| CIIC | HCC | ESD | PMIC | Criticality | ENAC | |
| Part Number | ISC | RNVC | RNCC | HCC | MSDS | SADC |
| HT-181-4-11 | 5 | 2 | 3 |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 3A |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASA | THREAD LENGTH | 0.469 INCHES NOMINAL |
| AASB | FASTENER LENGTH | 1.140 INCHES MINIMUM AND 1.187 INCHES MAXIMUM |
| AASK | HEAD STYLE | FLAT COUNTERSUNK |
| AASL | HEAD DIAMETER | 0.464 INCHES MINIMUM AND 0.506 INCHES MAXIMUM |
| AAUR | GRIP DIAMETER | 0.2485 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM |
| AAUY | POINT LENGTH | 0.060 INCHES NOMINAL |
| ABQJ | POINT STYLE | FLAT |
| ABQZ | INTERNAL DRIVE STYLE | HIGH-TORQUE |
| AHYM | NOMINAL THREAD DIAMETER | 0.2500 INCHES |
| ANEE | GRIP LENGTH | 0.677 INCHES MINIMUM AND 0.697 INCHES MAXIMUM |
| CMLP | THREAD QUANTITY PER INCH | 28 |
| CQBC | MINIMUM TENSILE STRENGTH | 6400 POUNDS PER SQUARE INCH |
| CRSQ | COUNTERSINK ANGLE | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM |
| CSYM | SURFACE FINISH | 32.0 MICROINCHES BEARING SURFACE OF HEAD |
| CSYM | SURFACE FINISH | 32.0 MICROINCHES GRIP |
| CSYM | SURFACE FINISH | 32.0 MICROINCHES THREADS |
| MATT | MATERIAL | STEEL OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | NAS98 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| SFTT | SURFACE TREATMENT | CADMIUM OVERALL |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | NAS672 FED STD SINGLE TREATMENT RESPONSE OVERALL |
| THSD | THREAD SERIES DESIGNATOR | UNJF |
| End Use : 12110 | Iron and steel products, other |
|---|---|
| Schedule B : 7318152000 (NAICS 332722) | Bolts and bolts and their nuts or washers exported in the same shipment |
| SITC : 69421 | Screws, bolts, nuts, screw hooks, rivets, washers and similar articles, threaded, of iron or steel |
| ADPE | Represents items with no adp components |
|---|---|
| CRITL | The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application. |
| ESD | A - No known electrostatic discharge (esd) or electromagnetic interference (emi) sensitivity. |
| HMIC | N - Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials. |
| PMIC | A - Item does not contain precious metal. |
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