| Item Name | Screw Close Tolerance |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5305 Screws |
| National Item Identification Number (NIIN) | 01-337-4888 (013374888) |
| NCB Code | USA (01) |
| Manufacturer | Hi Shear Corporation, Huck International Inc, Lisi Aerospace Canada Corp, Deutsch Co The, Alcoa Global Fasteners Inc, Sps Technologies Inc |
| Part Number | Manufacturer | Item Name | RFQ |
|---|---|---|---|
| HT4075VS4-10-30 | hi shear corporation | screw close tolerance | RFQ |
| HT4075VS4-10-30 | huck international inc | screw close tolerance | RFQ |
| HT4075VS4-10-30 | lisi aerospace canada corp | screw close tolerance | RFQ |
| HT4075VS4-10-30 | deutsch co the | screw close tolerance | RFQ |
| HT4075VS4-10-30 | alcoa global fasteners inc | screw close tolerance | RFQ |
| HT4075VS4-10-30 | sps technologies inc | screw close tolerance | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 3A |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASA | THREAD LENGTH | 0.469 INCHES NOMINAL |
| AASK | HEAD STYLE | FLAT COUNTERSUNK |
| ABQZ | INTERNAL DRIVE STYLE | HIGH-TORQUE |
| CRSQ | COUNTERSINK ANGLE | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM |
| SFTT | SURFACE TREATMENT | PHOSPHATE OVERALL |
| AASB | FASTENER LENGTH | 1.079 INCHES MINIMUM AND 1.109 INCHES MAXIMUM |
| AHYM | NOMINAL THREAD DIAMETER | 0.250 INCHES |
| CSYM | SURFACE FINISH | 32.0 MICROINCHES BEARING SURFACE OF HEAD32.0 MICROINCHES GRIP32.0 MICROINCHES THREADS |
| FEAT | SPECIAL FEATURES | TAPPED HOLE IN HEAD 0.138-32 UNJC-3B THREADS. DISTANCE FROM TOP OF HEAD TO INJECTION PORT 0.300 NOM. INCH. INJECTION PORT 0.120 NOM. IN. LG; 0.060 NOM. IN. WIDE |
| MATT | MATERIAL | TITANIUM ALLOY UNS R56400 OVERALL |
| THSD | THREAD SERIES DESIGNATOR | UNJF |
| AAUR | GRIP DIAMETER | 0.2490 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM |
| CMLP | THREAD QUANTITY PER INCH | 28 |
| AASL | HEAD DIAMETER | 0.456 INCHES MINIMUM AND 0.508 INCHES MAXIMUM |
| ANEE | GRIP LENGTH | 0.615 INCHES MINIMUM AND 0.635 INCHES MAXIMUM |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 4928 ASSN STD SINGLE MATERIAL RESPONSE OVERALL OR AMS 4967 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Relevant Components for NSN - 5305-01-337-4888, 5305013374888 | ||||
| 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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