| Item Name | Screw Close Tolerance |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5305 Screws |
| National Item Identification Number (NIIN) | 01-057-0353 (010570353) |
| NCB Code | USA (01) |
| Manufacturer | Inspektorat Wsparcia Sil Zbrojnych, National Aerospace Standards Com |
| Part Number | Manufacturer | Item Name | Cage Code | RFQ |
|---|---|---|---|---|
| 5305PL1636692 | inspektorat wsparcia sil zbrojnych | screw close tolerance | 9009h | RFQ |
| 5305PL0883764 | inspektorat wsparcia sil zbrojnych | screw close tolerance | 9009h | RFQ |
| NAS1581A4T3 | national aerospace standards com | screw close tolerance | 80205 | RFQ |
| NAS1581F4T3 | national aerospace standards com | screw close tolerance | 80205 | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 3A |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASA | THREAD LENGTH | 0.378 INCHES MINIMUM AND 0.428 INCHES MAXIMUM |
| AASB | FASTENER LENGTH | 0.575 INCHES MINIMUM AND 0.605 INCHES MAXIMUM |
| AASK | HEAD STYLE | FLAT COUNTERSUNK |
| AASL | HEAD DIAMETER | 0.350 INCHES MINIMUM AND 0.399 INCHES MAXIMUM |
| AAUR | GRIP DIAMETER | 0.2485 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM |
| ABQZ | INTERNAL DRIVE STYLE | OFFSET CRUCIFORM (TORQUE SET) |
| AHYM | NOMINAL THREAD DIAMETER | 0.250 INCHES |
| ANEE | GRIP LENGTH | 0.177 INCHES MINIMUM AND 0.197 INCHES MAXIMUM |
| CMLP | THREAD QUANTITY PER INCH | 28 |
| CQBC | MINIMUM TENSILE STRENGTH | 160000 POUNDS PER SQUARE INCH |
| CQFM | HARDNESS RATING | 36.0 ROCKWELL C MINIMUM OVERALL AND 40.0 ROCKWELL C MAXIMUM OVERALL |
| CRSQ | COUNTERSINK ANGLE | 100.0 DEGREES NOMINAL |
| CSYM | SURFACE FINISH | 32.0 MICROINCHES GRIP |
| CSYM | SURFACE FINISH | 32.0 MICROINCHES THREADS |
| MATT | MATERIAL | STEEL COMP E4340 OVERALL OR STEEL COMP 4140 OVERALL OR STEEL COMP 8740 OVERALL OR STEEL COMP 8735 OVERALL OR STEEL COMP 6150 OVERALL |
| SFTT | SURFACE TREATMENT | CADMIUM OVERALL AND CHROMATE OVERALL |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416 TY2 CL2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| THSD | THREAD SERIES DESIGNATOR | UNJF |
| ZZZK | SPECIFICATION/STANDARD DATA | 80205-NAS1581 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| Relevant Components for NSN - 5305-01-057-0353, 5305010570353 | ||||
| 5325-00-489-4951 (5325004894951) | 5305-01-688-2332 (5305016882332) | 5310-01-270-2593 (5310012702593) | 5360-01-362-9775 (5360013629775) | |
| 5305-01-574-2082 (5305015742082) | 5330-00-875-6402 (5330008756402) | 5310-01-166-6682 (5310011666682) | 5325-01-330-8489 (5325013308489) | |
| 5310-01-519-7106 (5310015197106) | 5310-12-130-8939 (5310121308939) | 5331-01-513-1941 (5331015131941) | 5310-01-360-7550 (5310013607550) | |
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