We've received your request for KR 550S (described as Ring Retaining), manufactured by Spirolox Inc with CAGE code 80756. This part is registered under NSN 5325-01-274-1623, classified in FSG 53 Hardware and Abrasives / FSC 5325 Fastening Devices. Our verification process will confirm traceability through supporting identifiers including NIIN 01-274-1623, NCB code 01 (origin: USA), and INC 07623. Please submit your formal quotation request to proceed.
Thank you for choosing Aerospace Exchange for your KR 550S requirements. We specialize in authenticated aerospace components, offering both NSN-tracked military parts and commercial equivalents, all validated through our rigorous sourcing protocols.
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| NSN | FSC | NIIN | CLS | Hazmat | DEMIL | Cancelled NSN |
|---|---|---|---|---|---|---|
| 5325-01-274-1623 Item PartTypeName: RING,RETAINING | 5325 | 012741623 | 0 | N | ||
| CIIC | HCC | ESD | PMIC | Criticality | ENAC | |
| U | A | |||||
| Part Number | ISC | RNVC | RNCC | HCC | MSDS | SADC |
| KR-550S | 5 | 2 | 3 |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAGR | CROSS-SECTIONAL SHAPE STYLE | DOUBLE OVAL |
| AARX | INSIDE DIAMETER | 5.156 INCHES NOMINAL |
| AASG | CASEHARDENING INDICATOR | NOT CASEHARDENED |
| ABKV | OUTSIDE DIAMETER | 5.686 INCHES NOMINAL |
| ABMC | MAJOR THICKNESS | 0.068 INCHES MINIMUM AND 0.076 INCHES MAXIMUM |
| ACXD | RING STYLE | SPIRAL |
| ALBY | USAGE DESIGN | INTERNAL |
| AWQD | STRENGTH RATING | 175000.0 POUNDS PER SQUARE INCH MINIMUM TENSILE |
| MATT | MATERIAL | STEEL COMP 302 |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-5059,TYPE 302 MIL SPEC 1ST MATERIAL RESPONSE AND AMS 5688 ASSN STD 2ND MATERIAL RESPONSE AND QQ-S-766,CLASS 302 FED SPEC 3RD MATERIAL RESPONSE |
| End Use : 12640 | Finished textile supplies |
|---|---|
| Schedule B : 9606100000 (NAICS 339993) | Press-fasteners, snap-fasteners & press-studs & parts therefor |
| SITC : 89983 | Press-fasteners, snap-fasteners and press-studs and parts therefor; buttons |
| 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 | 9b----- |
| Quantity per pack | 1 |
| Repariability | |
| Shelf Life | N/A |
| SOS | Sms |
| Unit of Measure | Ea |
| ACC: | B - Construction materials: includes paint and related materials, prefabricated building, wood products, metal and composition mater |
|---|---|
| ADC: | A - Shipment is not a consolidation and does not exceed 84 inches in any dimension. |
| LTL: | W - Rating variable |
| NMFC: | 095190 - Hardware, noi |
| SHC: | 9 - Other or no special handling required (sh) |
| TCC: | Z - No special type of cargo code applicable |
| WCC: | 713 - Metal hardware |
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AS9120B and ISO 9001:2015 |
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Aviation Suppliers Association Member |
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FAA AC 0056B Accredited |
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AS 6081:2012 Certification |
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ESD S20.20-2014 Certification |
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