We’re pleased to announce that HK 251 (Knob, NSN: 5355-01-462-8440) is now in stock and ready for immediate quoting. This component, manufactured by Siewek Tool Co Inc (CAGE Code: 89111), is classified under NIIN 01-462-8440 and NCB Code 01 (USA), with additional categorization under FSG 53 Hardware and Abrasives/FSC 5355 Knobs and Pointers and INC 03263. Our team can provide same-day shipping for urgent requirements.
To receive your competitive quote within 15 minutes, simply complete our RFQ form part HK 251, ensuring all required fields are filled. Our streamlined process guarantees fast, no-obligation pricing so you can secure your supply of HK 251 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 Siewek Tool Co Inc 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 HK 251. 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 |
|---|---|---|---|---|---|---|
| 5355-01-462-8440 Item PartTypeName: KNOB | 5355 | 014628440 | 0 | N | ||
| CIIC | HCC | ESD | PMIC | Criticality | ENAC | |
| U | A | 0 | ||||
| Part Number | ISC | RNVC | RNCC | HCC | MSDS | SADC |
| 10351 | 5 | 9 | 3 |
| MRC | Criteria | Characteristic |
|---|---|---|
| MRC | Decoded Requirement | Clear Text Reply |
| AATR | Shank Length | 1.000 INCHES NOMINAL |
| AARX | Inside Diameter | 2.500 INCHES NOMINAL |
| ABGL | Width | 2.500 INCHES NOMINAL |
| THSD | Thread Series Designator | UNC SCREW HOLE |
| ABRY | Length | 2.500 INCHES NOMINAL |
| AJQE | Material Transparency | OPAQUE |
| MATT | Material | IRON CAST |
| STYL | Style Designator | CROSS |
| CQJX | Nominal Thread Size | 0.500 INCHES RECEPTACLE |
| ABHG | Gripping Surface Condition | SMOOTH |
| CMLP | Thread Quantity Per Inch | 13 RECEPTACLE |
| AAZE | Shank Diameter | 1.125 INCHES NOMINAL |
| AAZF | Shank Style | STRAIGHT |
| ABSX | Attachment Method | SCREW ON |
| ADUM | Overall Thickness | 0.500 INCHES NOMINAL |
| End Use : 20005 | Electric apparatus |
|---|---|
| Schedule B : 8531900002 (NAICS 335999) | Parts of electric sound or visual signaling apparatus other than printed circuit assemblies, nesoi |
| SITC : 77885 | Parts of electric sound or visual signaling apparatus, n.E.S. (including parts of indicator panels, burlgar and fire alarms) |
| 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. |
| 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. |
| AAC | D |
|---|---|
| Classification Control | U |
| MGMT_CTL | ------- |
| Quantity per pack | 1 |
| Repariability | |
| Shelf Life | N/A |
| SOS | F77 |
| Unit of Measure | Ea |
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