| Item Name | Screw Shoulder |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5305 Screws |
| National Item Identification Number (NIIN) | 01-025-4374 (010254374) |
| NCB Code | USA (01) |
| Manufacturer | Air Industries Corp, Tlt Babcock Inc, Sps Technologies Inc, Zf Industrieantriebe Witten Gmbh |
| Part Number | Manufacturer | Item Name | Cage Code | RFQ |
|---|---|---|---|---|
| AC129436 | air industries corp | screw shoulder | 8l513 | RFQ |
| AC-3313-36 | tlt babcock inc | screw shoulder | 52861 | RFQ |
| 12705L-5C-24 | sps technologies inc | screw shoulder | 80539 | RFQ |
| 12705L5C24 | zf industrieantriebe witten gmbh | screw shoulder | d9182 | RFQ |
| AC129436 | sps technologies inc | screw shoulder | 56878 | RFQ |
| AC129436 | tlt babcock inc | screw shoulder | 52861 | RFQ |
| AC-331336 | zf industrieantriebe witten gmbh | screw shoulder | d9182 | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 3A |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASA | THREAD LENGTH | 0.342 INCHES MINIMUM AND 0.362 INCHES MAXIMUM |
| AASB | FASTENER LENGTH | 1.914 INCHES MINIMUM AND 1.940 INCHES MAXIMUM |
| AASK | HEAD STYLE | KNURLED NO. 1 |
| AASL | HEAD DIAMETER | 0.419 INCHES MINIMUM AND 0.438 INCHES MAXIMUM |
| AASU | HEAD HEIGHT | 0.156 INCHES MINIMUM AND 0.213 INCHES MAXIMUM |
| AATN | SHOULDER DIAMETER | 0.310 INCHES MINIMUM FIRST SHOULDER AND 0.311 INCHES MAXIMUM FIRST SHOULDER |
| AATX | SHOULDER LENGTH | 1.497 INCHES MINIMUM FIRST SHOULDER AND 1.503 INCHES MAXIMUM FIRST SHOULDER |
| ABQZ | INTERNAL DRIVE STYLE | HEXAGON |
| AHYM | NOMINAL THREAD DIAMETER | 0.250 INCHES |
| ASDB | WIDTH ACROSS FLATS | 0.156 INCHES MAXIMUM |
| CMLP | THREAD QUANTITY PER INCH | 20 |
| CQBC | MINIMUM TENSILE STRENGTH | 160000 POUNDS PER SQUARE INCH |
| CQFM | HARDNESS RATING | 36.0 ROCKWELL C MINIMUM OVERALL AND 43.0 ROCKWELL C MAXIMUM OVERALL |
| CWYB | SHOULDER SHAPE | ROUND FIRST SHOULDER |
| FEAT | SPECIAL FEATURES | STRIP TYPE LOCKING ELEMENT ON THREADS |
| MATT | MATERIAL | STEEL OVERALL |
| THSD | THREAD SERIES DESIGNATOR | UNRC |
| Relevant Components for NSN - 5305-01-025-4374, 5305010254374 | ||||
| 5320-01-093-5687 (5320010935687) | 5340-00-286-8500 (5340002868500) | 5310-00-797-4430 (5310007974430) | 5331-01-548-6940 (5331015486940) | |
| 5340-01-389-2408 (5340013892408) | 5340-01-499-3481 (5340014993481) | 5310-01-418-9739 (5310014189739) | 5320-01-419-8697 (5320014198697) | |
| 5340-01-681-6722 (5340016816722) | 5340-01-620-4639 (5340016204639) | 5340-01-481-2087 (5340014812087) | 5331-01-097-0869 (5331010970869) | |
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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