| Item Name | Screw Close Tolerance |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5305 Screws |
| National Item Identification Number (NIIN) | 01-475-3401 (014753401) |
| NCB Code | USA (01) |
| Manufacturer | Twist Tite Mfg Inc, B And B Specialties Inc, West Coast Aerospace Inc, Sps Technologies Inc, Lisi Aerospace Canada Corp, Hi Shear Corporation, Nimikkeistokeskus Ncb Finland, Fastener Innovation Technology Inc, Alcoa Global Fasteners Inc, Reid Products Inc, Boeing Company The, Alcoa Fastening Systems Ltd |
| Part Number | Manufacturer | Item Name | RFQ |
|---|---|---|---|
| 3M1169C4-21A | twist tite mfg inc | screw close tolerance | RFQ |
| GS1006C4-21A | b and b specialties inc | screw close tolerance | RFQ |
| WC1169C4-21A | west coast aerospace inc | screw close tolerance | RFQ |
| TX1026C4-21A | sps technologies inc | screw close tolerance | RFQ |
| TX1026C4-21A | lisi aerospace canada corp | screw close tolerance | RFQ |
| TX1026C4-21A | hi shear corporation | screw close tolerance | RFQ |
| 10113832 | nimikkeistokeskus ncb finland | screw close tolerance | RFQ |
| 3M1169C4-21A | fastener innovation technology inc | screw close tolerance | RFQ |
| TX1026C4-21A | alcoa global fasteners inc | screw close tolerance | RFQ |
| 11827C4-21A | reid products inc | screw close tolerance | RFQ |
| 3M1169C4-21A | boeing company the | screw close tolerance | RFQ |
| TX1026C4-21A | alcoa fastening systems ltd | screw close tolerance | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 3A |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASA | THREAD LENGTH | 0.425 INCHES NOMINAL |
| AASB | FASTENER LENGTH | 1.722 INCHES MINIMUM AND 1.752 INCHES MAXIMUM |
| AASK | HEAD STYLE | FLAT COUNTERSUNK |
| AASL | HEAD DIAMETER | 0.4970 INCHES MINIMUM AND 0.5066 INCHES MAXIMUM |
| AASU | HEAD HEIGHT | 0.110 INCHES NOMINAL |
| AAUJ | SPLINE MAJOR DIAMETER | 0.219 INCHES MINIMUM AND 0.222 INCHES MAXIMUM |
| AAUR | GRIP DIAMETER | 0.2485 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM |
| ABQZ | INTERNAL DRIVE STYLE | TORX |
| AGAV | END ITEM IDENTIFICATION | A/F-18-DCN |
| AHYM | NOMINAL THREAD DIAMETER | 0.250 INCHES |
| ANEE | GRIP LENGTH | 1.312 INCHES NOMINAL |
| CMLP | THREAD QUANTITY PER INCH | 28 |
| CRSQ | COUNTERSINK ANGLE | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM |
| MATT | MATERIAL | NICKEL ALLOY 718 OVERALL |
| SFTT | SURFACE TREATMENT | PASSIVATE OVERALL |
| THSD | THREAD SERIES DESIGNATOR | UNJF |
| Relevant Components for NSN - 5305-01-475-3401, 5305014753401 | ||||
| 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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