| Item Name | Screw Close Tolerance |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5305 Screws |
| National Item Identification Number (NIIN) | 01-512-7265 (015127265) |
| NCB Code | USA (01) |
| Manufacturer | West Coast Aerospace Inc, Boeing Company The, Lisi Aerospace Canada Corp, Alcoa Global Fasteners Inc, Reid Products Inc, Sps Technologies Inc, Twist Tite Mfg Inc, Fastener Innovation Technology Inc, Hi Shear Corporation |
| Part Number | Manufacturer | Item Name | RFQ |
|---|---|---|---|
| WC4027-4-8 | west coast aerospace inc | screw close tolerance | RFQ |
| ST3M557 | boeing company the | screw close tolerance | RFQ |
| HT4027-4-8 | lisi aerospace canada corp | screw close tolerance | RFQ |
| HT4027-4-8 | alcoa global fasteners inc | screw close tolerance | RFQ |
| 11923-4-8 | reid products inc | screw close tolerance | RFQ |
| HT4027-4-8 | sps technologies inc | screw close tolerance | RFQ |
| ST3M557-4-8 | twist tite mfg inc | screw close tolerance | RFQ |
| ST3M557-4-8 | fastener innovation technology inc | screw close tolerance | RFQ |
| HT4027-4-8 | hi shear corporation | screw close tolerance | RFQ |
| ST3M557-4-8 | boeing company the | screw close tolerance | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 3A |
| AASA | THREAD LENGTH | 0.469 INCHES NOMINAL |
| AASK | HEAD STYLE | FLAT COUNTERSUNK |
| AAUR | GRIP DIAMETER | 0.2490 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM |
| AGAV | END ITEM IDENTIFICATION | FUSELAGE AFT |
| ANEE | GRIP LENGTH | 0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM |
| CRSQ | COUNTERSINK ANGLE | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5662 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASB | FASTENER LENGTH | 0.969 INCHES NOMINAL |
| AASL | HEAD DIAMETER | 0.3898 INCHES MINIMUM AND 0.3948 INCHES MAXIMUM |
| ABQZ | INTERNAL DRIVE STYLE | HIGH-TORQUE |
| AHYM | NOMINAL THREAD DIAMETER | 0.250 INCHES |
| CMLP | THREAD QUANTITY PER INCH | 28 |
| MATT | MATERIAL | NICKEL ALLOY 718 OVERALL |
| SFTT | SURFACE TREATMENT | PASSIVATE OVERALL |
| THSD | THREAD SERIES DESIGNATOR | UNJF |
| Relevant Components for NSN - 5305-01-512-7265, 5305015127265 | ||||
| 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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