Maintenance Parts Pro is pleased to offer procurement options for Federal Specifications part number FFB561, a Screw Lag product we carry that is listed with the NSN 5305-00-252-1525 for seamless identification. As this item is available for purchase today, be sure to fill out and submit the Request for Quote (RFQ) form on this page if you are interested in obtaining pricing information. All that we ask is that you share details like your budget, desired quantity, and expected fulfillment speed so that we can respond with the most fitting solutions for your comparisons.
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Alongside streamlined quotation processes, we aim to support our customers by providing as much relevant listing information and data with product offerings as possible. For example, part number FFB561 specifically traces back to Federal Specifications through CAGE Code 81348, as well as belongs to the FSC [FSC] as per its NSN of 5305-00-252-1525. Referencing such details, you can locate and procure exact specifications with ease. With our various practices in mind, do not hesitate to request a quote on part number FFB561 using our provided form.
| NSN | FSC | NIIN | CLS | Hazmat | DEMIL | Cancelled NSN |
|---|---|---|---|---|---|---|
| 5305-00-252-1525 Item PartTypeName: SCREW,LAG | 5305 | 002521525 | 0 | N | ||
| CIIC | HCC | ESD | PMIC | Criticality | ENAC | |
| U | A | 0 | ||||
| Part Number | ISC | RNVC | RNCC | HCC | MSDS | SADC |
| FFB561 | 6 | 1 | 4 |
| MRC | Criteria | Characteristic |
|---|---|---|
| AASB | FASTENER LENGTH | 5.900 INCHES MINIMUM AND 6.000 INCHES MAXIMUM |
| AASK | HEAD STYLE | SQUARE |
| AASU | HEAD HEIGHT | 0.232 INCHES MINIMUM AND 0.268 INCHES MAXIMUM |
| AATB | WIDTH BETWEEN FLATS | 0.544 INCHES MINIMUM AND 0.562 INCHES MAXIMUM |
| AATN | SHOULDER DIAMETER | 0.360 INCHES MINIMUM FIRST SHOULDER AND 0.388 INCHES MAXIMUM FIRST SHOULDER |
| AATX | SHOULDER LENGTH | 0.125 INCHES MINIMUM FIRST SHOULDER |
| CQBC | MINIMUM TENSILE STRENGTH | 55000 POUNDS PER SQUARE INCH |
| CQFM | HARDNESS RATING | 60.0 ROCKWELL B MINIMUM OVERALL |
| CTYF | NONMACHINE NOMINAL THREAD DIAMETER | 0.375 INCHES |
| CWYB | SHOULDER SHAPE | ROUND FIRST SHOULDER |
| MATT | MATERIAL | STEEL CORROSION RESISTING OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A307-68 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| ZZZT | NONDEFINITIVE SPEC/STD DATA | 2 TYPE AND 2 STYLE AND B GRADE |
If You’re Ever Looking for NSN parts Or Have an Aircraft On Ground Situation, Don’t forget That We offer Competitive Pricing and Guaranteed On-Time Delivery.
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