| Item Name | Screw Close Tolerance |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5305 Screws |
| National Item Identification Number (NIIN) | 01-197-8274 (011978274) |
| NCB Code | USA (01) |
| Manufacturer | Lisi Aerospace Canada Corp, Hi Shear Corporation, Alcoa Global Fasteners Inc, Boeing Company The, Huck International Inc, Nimikkeistokeskus Ncb Finland, Twist Tite Mfg Inc, Sps Technologies Inc |
| Part Number | Manufacturer | Item Name | Cage Code | RFQ |
|---|---|---|---|---|
| HT4053-4D4A | lisi aerospace canada corp | screw close tolerance | l4528 | RFQ |
| HT4053-4D4 | hi shear corporation | screw close tolerance | 73197 | RFQ |
| HT4053-4D4A | alcoa global fasteners inc | screw close tolerance | 92215 | RFQ |
| ST3M740-4DL4 | boeing company the | screw close tolerance | 76301 | RFQ |
| HT4053-4D4A | huck international inc | screw close tolerance | 97928 | RFQ |
| HT4053-4D4A | hi shear corporation | screw close tolerance | 73197 | RFQ |
| ST3M740-4DL4 | alcoa global fasteners inc | screw close tolerance | 92215 | RFQ |
| 10113527 | nimikkeistokeskus ncb finland | screw close tolerance | a486g | RFQ |
| ST3M740-4DL4 | twist tite mfg inc | screw close tolerance | 007r1 | RFQ |
| HT4053-4D4A | sps technologies inc | screw close tolerance | 80539 | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 3A |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASA | THREAD LENGTH | 0.444 INCHES MINIMUM AND 0.494 INCHES MAXIMUM |
| AASB | FASTENER LENGTH | 0.704 INCHES MINIMUM AND 0.734 INCHES MAXIMUM |
| AASK | HEAD STYLE | OVAL COUNTERSUNK |
| AASL | HEAD DIAMETER | 0.3898 INCHES MINIMUM AND 0.3948 INCHES MAXIMUM |
| AAUR | GRIP DIAMETER | 0.2485 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM |
| AAWB | SHANK UNTHREADED HOLE DIAMETER | 0.076 INCHES MINIMUM FIRST HOLE AND 0.086 INCHES MAXIMUM FIRST HOLE |
| ABQZ | INTERNAL DRIVE STYLE | HIGH-TORQUE |
| AHYM | NOMINAL THREAD DIAMETER | 0.250 INCHES |
| ANEE | GRIP LENGTH | 0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM |
| CMLP | THREAD QUANTITY PER INCH | 28 |
| CQBC | MINIMUM TENSILE STRENGTH | 180000 POUNDS PER SQUARE INCH |
| CQFM | HARDNESS RATING | 39.0 ROCKWELL C MINIMUM OVERALL AND 43.0 ROCKWELL C MAXIMUM OVERALL |
| CRSQ | COUNTERSINK ANGLE | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM |
| CRZS | DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER | 0.578 INCHES MINIMUM FIRST HOLE AND 0.618 INCHES MAXIMUM FIRST HOLE |
| CSYM | SURFACE FINISH | 32.0 MICROINCHES GRIP |
| CSYM | SURFACE FINISH | 32.0 MICROINCHES THREADS |
| FEAT | SPECIAL FEATURES | CETYL ALCOHOL LUBRICATION |
| MATT | MATERIAL | STEEL COMP 8740 OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-6049 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| SFTT | SURFACE TREATMENT | ALUMINUM OVERALL AND CHROMATE OVERALL |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-C-83488,TYPE 2,CLASS 3 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| THSD | THREAD SERIES DESIGNATOR | UNJF |
| Relevant Components for NSN - 5305-01-197-8274, 5305011978274 | ||||
| 5305-01-339-0166 (5305013390166) | 5365-01-662-5153 (5365016625153) | 5360-01-351-8647 (5360013518647) | 5305-00-452-2092 (5305004522092) | |
| 5320-01-350-0370 (5320013500370) | 5365-01-048-9619 (5365010489619) | 5330-01-329-6615 (5330013296615) | 5331-00-493-8173 (5331004938173) | |
| 5330-00-146-3153 (5330001463153) | 5305-00-052-8884 (5305000528884) | 5330-01-651-5544 (5330016515544) | 5310-00-444-5136 (5310004445136) | |
If You’re Ever Looking for NSN parts Or Have an Aircraft On Ground Situation, Don’t forget That We offer Competitive Pricing and Guaranteed On-Time Delivery.
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