| Item Name | Screw Close Tolerance |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5305 Screws |
| National Item Identification Number (NIIN) | 01-345-2456 (013452456) |
| NCB Code | USA (01) |
| Manufacturer | Ametek Air Technology Group Ltd, Hi Shear Corporation, Reid Products Inc, Nimikkeistokeskus Ncb Finland, Sps Technologies Inc, Huck International Inc, Lisi Aerospace Canada Corp, Boeing Company The, Alcoa Global Fasteners Inc |
| Part Number | Manufacturer | Item Name | RFQ |
|---|---|---|---|
| HT4028L4-20 | ametek air technology group ltd | screw close tolerance | RFQ |
| HT4028L4-20 | hi shear corporation | screw close tolerance | RFQ |
| 11909V4L20-1 | reid products inc | screw close tolerance | RFQ |
| 10113711 | nimikkeistokeskus ncb finland | screw close tolerance | RFQ |
| HT4028L4-20 | sps technologies inc | screw close tolerance | RFQ |
| HT4028L4-20 | huck international inc | screw close tolerance | RFQ |
| ST3M466V4L20-1 | sps technologies inc | screw close tolerance | RFQ |
| HT4028L4-20 | lisi aerospace canada corp | screw close tolerance | RFQ |
| ST3M466V4L20-1 | boeing company the | screw close tolerance | RFQ |
| ST3M466V4L20-1 | alcoa global fasteners inc | screw close tolerance | RFQ |
| HT4028L4-20 | alcoa global fasteners inc | screw close tolerance | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASA | THREAD LENGTH | 0.469 INCHES NOMINAL |
| THSD | THREAD SERIES DESIGNATOR | UNJF |
| AAJD | THREAD CLASS | 3A |
| AASB | FASTENER LENGTH | 1.704 INCHES MINIMUM AND 1.734 INCHES MAXIMUM |
| AASL | HEAD DIAMETER | 0.389 INCHES MINIMUM AND 0.394 INCHES MAXIMUM |
| AHYM | NOMINAL THREAD DIAMETER | 0.250 INCHES |
| AASK | HEAD STYLE | OVAL COUNTERSUNK |
| AAUR | GRIP DIAMETER | 0.2490 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM |
| ABQZ | INTERNAL DRIVE STYLE | HIGH-TORQUE |
| MATT | MATERIAL | TITANIUM ALLOY UNS R56400 OVERALL |
| ANEE | GRIP LENGTH | 1.240 INCHES MINIMUM AND 1.260 INCHES MAXIMUM |
| CMLP | THREAD QUANTITY PER INCH | 28 |
| CQBC | MINIMUM TENSILE STRENGTH | 160000 POUNDS PER SQUARE INCH |
| CRSQ | COUNTERSINK ANGLE | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | AMS4928 ASSN STD SINGLE MATERIAL RESPONSE OVERALL OR AMS4967 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Relevant Components for NSN - 5305-01-345-2456, 5305013452456 | ||||
| 5320-01-318-6843 (5320013186843) | 5340-01-557-4760 (5340015574760) | 5340-00-336-3776 (5340003363776) | 5340-01-560-8528 (5340015608528) | |
| 5330-01-684-2979 (5330016842979) | 5310-01-185-8686 (5310011858686) | 5360-00-394-4491 (5360003944491) | 5320-01-267-6376 (5320012676376) | |
| 5315-00-432-8021 (5315004328021) | 5315-01-271-9296 (5315012719296) | 5340-01-353-1927 (5340013531927) | 5320-01-413-1816 (5320014131816) | |
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