| Item Name | Screw Shoulder |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5305 Screws |
| National Item Identification Number (NIIN) | 01-121-0356 (011210356) |
| NCB Code | USA (01) |
| Manufacturer | Northrop Grumman Systems Corporation, Aero Mechanical Fastening Systems Inc, Sps Technologies Inc, Huck International Inc, Bf Goodrich Aerospace |
| Part Number | Manufacturer | Item Name | Cage Code | RFQ |
|---|---|---|---|---|
| GS551C3-828 | northrop grumman systems corporation | screw shoulder | 26512 | RFQ |
| GS5511C3-828 | aero mechanical fastening systems inc | screw shoulder | 1fy45 | RFQ |
| AIC551C-3-828 | sps technologies inc | screw shoulder | 06725 | RFQ |
| BM19042-3-828 | huck international inc | screw shoulder | 97928 | RFQ |
| GS551C3-828 | sps technologies inc | screw shoulder | 06725 | RFQ |
| GS551C3-828 | bf goodrich aerospace | screw shoulder | 03481 | RFQ |
| B1990-10 | bf goodrich aerospace | screw shoulder | 03481 | RFQ |
| GS5511C3-828 | northrop grumman systems corporation | screw shoulder | 26512 | RFQ |
| GS551C3-828 | aero mechanical fastening systems inc | screw shoulder | 1fy45 | RFQ |
| GS5511C3-828 | sps technologies inc | screw shoulder | 27624 | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 2A |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASA | THREAD LENGTH | 0.293 INCHES MINIMUM AND 0.353 INCHES MAXIMUM |
| AASB | FASTENER LENGTH | 1.078 INCHES MINIMUM AND 1.108 INCHES MAXIMUM |
| AASK | HEAD STYLE | FLAT COUNTERSUNK |
| AASL | HEAD DIAMETER | 0.266 INCHES MINIMUM AND 0.286 INCHES MAXIMUM |
| AATN | SHOULDER DIAMETER | 0.193 INCHES MINIMUM FIRST SHOULDER AND 0.195 INCHES MAXIMUM FIRST SHOULDER |
| AATX | SHOULDER LENGTH | 0.715 INCHES MINIMUM 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 OVERALL AND 37.0 ROCKWELL C MAXIMUM OVERALL |
| CRSQ | COUNTERSINK ANGLE | 100.0 DEGREES NOMINAL |
| CWYB | SHOULDER SHAPE | ROUND FIRST SHOULDER |
| MATT | MATERIAL | STEEL COMP 4037 OVERALL OR STEEL COMP 8740 OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | AISI ASSN STD ALL MATERIAL RESPONSES OVERALL |
| SFTT | SURFACE TREATMENT | CADMIUM OVERALL 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 - 5305-01-121-0356, 5305011210356 | ||||
| 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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