| Item Name | Screw Shoulder |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5305 Screws |
| National Item Identification Number (NIIN) | 00-151-8663 (001518663) |
| NCB Code | USA (00) |
| Manufacturer | Northrop Grumman Systems Corporation, Sps Technologies Inc, Bf Goodrich Aerospace, Aero Mechanical Fastening Systems Inc |
| Part Number | Manufacturer | Item Name | Cage Code | RFQ |
|---|---|---|---|---|
| GS551C3-218 | northrop grumman systems corporation | screw shoulder | 26512 | RFQ |
| AIC551C3-218 | sps technologies inc | screw shoulder | 06725 | RFQ |
| GS551C3-218 | bf goodrich aerospace | screw shoulder | 03481 | RFQ |
| GS551C3-218 | aero mechanical fastening systems inc | screw shoulder | 1fy45 | RFQ |
| B1990-01 | bf goodrich aerospace | screw shoulder | 03481 | RFQ |
| GS551C3-218 | sps technologies inc | screw shoulder | 27624 | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 3A |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASA | THREAD LENGTH | 0.279 INCHES MINIMUM AND 0.339 INCHES MAXIMUM |
| AASB | FASTENER LENGTH | 0.454 INCHES MINIMUM AND 0.484 INCHES MAXIMUM |
| AASK | HEAD STYLE | FLAT COUNTERSUNK |
| AASL | HEAD DIAMETER | 0.276 INCHES NOMINAL |
| AATN | SHOULDER DIAMETER | 0.105 INCHES MINIMUM AND 0.135 INCHES MAXIMUM FIRST SHOULDER |
| AATX | SHOULDER LENGTH | 0.193 INCHES MINIMUM AND 0.195 INCHES MAXIMUM FIRST SHOULDER |
| ABQZ | INTERNAL DRIVE STYLE | SLOT |
| AHYM | NOMINAL THREAD DIAMETER | 0.190 INCHES |
| CMLP | THREAD QUANTITY PER INCH | 32 |
| CQFM | HARDNESS RATING | 33.0 ROCKWELL C MINIMUM AND 87.0 ROCKWELL C MAXIMUM OVERALL |
| CRSQ | COUNTERSINK ANGLE | 100.0 DEGREES NOMINAL |
| CWYB | SHOULDER SHAPE | ROUND FIRST SHOULDER |
| CXCY | PART NAME ASSIGNED BY CONTROLLING AGENCY | NAVY SPECIAL PROJECT |
| MATT | MATERIAL | STEEL COMP 4037 OR STEEL COMP 8740 OVERALL |
| SFTT | SURFACE TREATMENT | CADMIUM AND CHROMATE OVERALL |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| THSD | THREAD SERIES DESIGNATOR | UNF |
| Relevant Components for NSN - 5305-00-151-8663, 5305001518663 | ||||
| 5330-01-701-4089 (5330017014089) | 5305-01-213-9722 (5305012139722) | 5320-01-460-5665 (5320014605665) | 5306-01-475-3608 (5306014753608) | |
| 5306-01-626-6230 (5306016266230) | 5306-00-292-8749 (5306002928749) | 5342-01-673-3505 (5342016733505) | 5330-01-283-1784 (5330012831784) | |
| 5365-01-228-1431 (5365012281431) | 5365-00-466-3750 (5365004663750) | 5310-00-595-7616 (5310005957616) | 5305-00-550-0140 (5305005500140) | |
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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