| Item Name | Screw Close Tolerance |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5305 Screws |
| National Item Identification Number (NIIN) | 01-587-3954 (015873954) |
| NCB Code | USA (01) |
| Manufacturer | Twist Tite Mfg Inc, Linread Canada Ltd, Swift Ohio Corp, Boeing Company The, Saturn Fasteners Inc, Alcoa Global Fasteners Inc, Heartland Precision Fasteners In, Reid Products Inc, Sps Technologies Inc, West Coast Aerospace Inc, Camcar Llc, Hi Shear Corporation, Valley Todeco Inc, Fastener Innovation Technology Inc, Lisi Aerospace Canada Corp, Huck International Inc, Houston Precision Fastener L L C |
| Part Number | Manufacturer | Item Name | RFQ |
|---|---|---|---|
| ST3M557-4-7 | twist tite mfg inc | screw close tolerance | RFQ |
| ST3M557-4-7 | linread canada ltd | screw close tolerance | RFQ |
| ST3M557-4-7 | swift ohio corp | screw close tolerance | RFQ |
| ST3M557-4-7 | boeing company the | screw close tolerance | RFQ |
| ST3M557-4-7 | saturn fasteners inc | screw close tolerance | RFQ |
| HT4027-4-7 | alcoa global fasteners inc | screw close tolerance | RFQ |
| ST3M557-4-7 | heartland precision fasteners in | screw close tolerance | RFQ |
| 11923-4-7 | reid products inc | screw close tolerance | RFQ |
| HT4027-4-7 | sps technologies inc | screw close tolerance | RFQ |
| WC4027-4-7 | west coast aerospace inc | screw close tolerance | RFQ |
| ST3M557-4-7 | camcar llc | screw close tolerance | RFQ |
| HT4027-4-7 | hi shear corporation | screw close tolerance | RFQ |
| ST3M557-4-7 | valley todeco inc | screw close tolerance | RFQ |
| ST3M557-4-7 | fastener innovation technology inc | screw close tolerance | RFQ |
| HT4027-4-7 | lisi aerospace canada corp | screw close tolerance | RFQ |
| HT4027-4-7 | huck international inc | screw close tolerance | RFQ |
| ST3M557-4-7 | houston precision fastener l l c | screw close tolerance | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 3A |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASA | THREAD LENGTH | 0.469 INCHES NOMINAL |
| AASB | FASTENER LENGTH | 0.906 INCHES NOMINAL |
| AASK | HEAD STYLE | FLAT COUNTERSUNK |
| AASL | HEAD DIAMETER | 0.389 INCHES MINIMUM AND 0.395 INCHES MAXIMUM |
| AAUR | GRIP DIAMETER | 0.249 INCHES NOMINAL |
| ABQZ | INTERNAL DRIVE STYLE | TORQUE |
| AGAV | END ITEM IDENTIFICATION | C-5 AIRCRAFT |
| AHYM | NOMINAL THREAD DIAMETER | 0.250 INCHES |
| ANEE | GRIP LENGTH | 0.437 INCHES NOMINAL |
| CMLP | THREAD QUANTITY PER INCH | 28 |
| CRSQ | COUNTERSINK ANGLE | 100.0 DEGREES NOMINAL |
| MATT | MATERIAL | NICKEL ALLOY 718 OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | AMS5662 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| THSD | THREAD SERIES DESIGNATOR | UNJF |
| Relevant Components for NSN - 5305-01-587-3954, 5305015873954 | ||||
| 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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