| Item Name | Screw Shoulder |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5305 Screws |
| National Item Identification Number (NIIN) | 01-187-0653 (011870653) |
| NCB Code | USA (01) |
| Manufacturer | Navair And Navsea Managed |
| MRC | Criteria | Characteristic |
|---|---|---|
| CMLP | Thread Quantity Per Inch | 18 |
| AHYM | Nominal Thread Diameter | 0.312 INCHES |
| CWYB | Shoulder Shape | ROUND FIRST SHOULDER |
| AASB | Fastener Length | 0.405 INCHES NOMINAL |
| FEAT | Special Features | UNDERCUT BELOW SHOULDER 0.063 IN. LG,0.230-0.240 IN. DIA |
| AAJF | Thread Direction | RIGHT-HAND |
| AASK | Head Style | PAN NO. 2 |
| AASA | Thread Length | 0.342 INCHES NOMINAL |
| AATX | Shoulder Length | 0.283 INCHES MINIMUM FIRST SHOULDER AND 0.285 INCHES MAXIMUM FIRST SHOULDER |
| MDCL | Material Document And Classification | QQ-B-637,AL 464,1/2 HARD FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| AASL | Head Diameter | 0.625 INCHES NOMINAL |
| THSD | Thread Series Designator | UNC |
| ABQZ | Internal Drive Style | SLOT |
| AAJD | Thread Class | 2A |
| AATN | Shoulder Diameter | 0.372 INCHES MINIMUM FIRST SHOULDER AND 0.374 INCHES MAXIMUM FIRST SHOULDER |
| MATT | Material | COPPER ALLOY OVERALL |
| AASU | Head Height | 0.125 INCHES NOMINAL |
| MRC | Decoded Requirement | Clear Text Reply |
| Relevant Components for NSN - 5305-01-187-0653, 5305011870653 | ||||
| 5340-01-128-5602 (5340011285602) | 5306-01-598-2806 (5306015982806) | 5306-00-660-2761 (5306006602761) | 5310-01-632-4360 (5310016324360) | |
| 5365-00-003-1724 (5365000031724) | 5305-01-246-0089 (5305012460089) | 5310-00-052-8840 (5310000528840) | 5310-00-016-5834 (5310000165834) | |
| 5330-00-477-2508 (5330004772508) | 5310-00-424-2018 (5310004242018) | 5325-00-349-3151 (5325003493151) | 5365-01-613-0724 (5365016130724) | |
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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