We’re pleased to announce that S521 (Screw Assembled Was, NSN: 5305-00-207-9256) is now in stock and ready for immediate quoting. This component, manufactured by Bae Systems Land And Armaments Inc (CAGE Code: 80212), is classified under NIIN 00-207-9256 and NCB Code 00 (USA), with additional categorization under FSG 53 Hardware and Abrasives/FSC 5305 Screws and INC 06660. Our team can provide same-day shipping for urgent requirements.
To receive your competitive quote within 15 minutes, simply complete our RFQ form part S521, ensuring all required fields are filled. Our streamlined process guarantees fast, no-obligation pricing so you can secure your supply of S521 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 Bae Systems Land And Armaments 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 S521. 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 |
|---|---|---|---|---|---|---|
| 5305-00-207-9256 Item PartTypeName: SCREW,ASSEMBLED WASHER | 5305 | 002079256 | 0 | N | ||
| CIIC | HCC | ESD | PMIC | Criticality | ENAC | |
| U | U | |||||
| Part Number | ISC | RNVC | RNCC | HCC | MSDS | SADC |
| S521 | 2 | 2 | 3 |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 2A |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASA | THREAD LENGTH | 0.543 INCHES MINIMUM AND 0.605 INCHES MAXIMUM |
| AASB | FASTENER LENGTH | 0.625 INCHES NOMINAL |
| AASK | HEAD STYLE | FILLISTER |
| AASL | HEAD DIAMETER | 0.250 INCHES MINIMUM AND 0.270 INCHES MAXIMUM |
| AASU | HEAD HEIGHT | 0.102 INCHES MINIMUM AND 0.113 INCHES MAXIMUM |
| AAVW | WASHER QUANTITY | 1 |
| ABQZ | INTERNAL DRIVE STYLE | CROSS RECESS TYPE 1 |
| AHYM | NOMINAL THREAD DIAMETER | 0.164 INCHES |
| CMLP | THREAD QUANTITY PER INCH | 32 |
| CQFM | HARDNESS RATING | 40.0 ROCKWELL C MINIMUM PRIMARY WASHER AND 50.0 ROCKWELL C MAXIMUM PRIMARY WASHER |
| CSPG | PRIMARY WASHER OUTSIDE DIAMETER | 0.327 INCHES MINIMUM AND 0.338 INCHES MAXIMUM |
| CTHW | PRIMARY WASHER STYLE | FLAT INTERNAL TEETH |
| CTJJ | PRIMARY WASHER MATERIAL THICKNESS | 0.020 INCHES MINIMUM |
| MATT | MATERIAL | STEEL OVERALL |
| SFTT | SURFACE TREATMENT | CADMIUM OVERALL OR ZINC OVERALL |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TY 1,CL 3 FED SPEC 1ST TREATMENT RESPONSE OVERALL OR QQ-Z-325,TY 1,CL 3 FED SPEC 2ND TREATMENT RESPONSE OVERALL |
| THSD | THREAD SERIES DESIGNATOR | UNC |
| 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 |
| 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 | U - Precious metal content is unknown |
| AAC | V |
|---|---|
| Classification Control | U |
| MGMT_CTL | T2200x- |
| Quantity per pack | 100 |
| Repariability | This is a nonreparable item. if condemned or economically unserviceable, then dispose at the level authorized replace the item. |
| 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: | 093486 - Bolts, nuts or screws, noi (sub 3) |
| 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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