| Item Name | Screw Close Tolerance |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5305 Screws |
| National Item Identification Number (NIIN) | 00-121-8908 (001218908) |
| NCB Code | USA (00) |
| Manufacturer | Sps Technologies Inc, Avibank Mfg Inc, Alcoa Global Fasteners Inc, Military Standards Corp, National Aerospace Standards Com, Boeing Company The |
| Part Number | Manufacturer | Item Name | Cage Code | RFQ |
|---|---|---|---|---|
| 106466-15 | sps technologies inc | screw close tolerance | 80539 | RFQ |
| 121672-4-15 | sps technologies inc | screw close tolerance | 80539 | RFQ |
| AS195-4-15 | avibank mfg inc | screw close tolerance | 84256 | RFQ |
| CA4520-4-15 | alcoa global fasteners inc | screw close tolerance | 29372 | RFQ |
| MS27577-4-15 | military standards corp | screw close tolerance | 96906 | RFQ |
| MS27577-4-15 | national aerospace standards com | screw close tolerance | 80205 | RFQ |
| ST3M736-4-15 | boeing company the | screw close tolerance | 76301 | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 3A |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASA | THREAD LENGTH | 0.282 INCHES MINIMUM AND 0.333 INCHES MAXIMUM |
| AASB | FASTENER LENGTH | 1.356 INCHES MINIMUM AND 1.376 INCHES MAXIMUM |
| AASK | HEAD STYLE | FLAT COUNTERSUNK |
| AASL | HEAD DIAMETER | 0.449 INCHES MINIMUM AND 0.507 INCHES MAXIMUM |
| AAUM | LOCKING FEATURE | DETENT RING GRIP |
| AAUR | GRIP DIAMETER | 0.2483 INCHES MINIMUM AND 0.2492 INCHES MAXIMUM |
| AAWB | SHANK UNTHREADED HOLE DIAMETER | 0.076 INCHES MINIMUM AND 0.086 INCHES MAXIMUM FIRST HOLE |
| ABQZ | INTERNAL DRIVE STYLE | HIGH-TORQUE |
| AHYM | NOMINAL THREAD DIAMETER | 0.250 INCHES |
| ANEE | GRIP LENGTH | 0.938 INCHES MINIMUM AND 0.954 INCHES MAXIMUM |
| CMLP | THREAD QUANTITY PER INCH | 28 |
| CQFM | HARDNESS RATING | 36.0 ROCKWELL C MINIMUM AND 41.0 ROCKWELL C MAXIMUM OVERALL |
| CRSQ | COUNTERSINK ANGLE | 100.0 DEGREES NOMINAL |
| CRZS | DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER | 1.256 INCHES MINIMUM AND 1.286 INCHES MAXIMUM FIRST HOLE |
| CSYM | SURFACE FINISH | 63.0 MICROINCHES GRIP |
| CSYM | SURFACE FINISH | 63.0 MICROINCHES TOP OF HEAD |
| MATT | MATERIAL | STEEL OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-B-83050 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| SFTT | SURFACE TREATMENT | CADMIUM AND CHROMATE OVERALL |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416 TY 2 CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| THSD | THREAD SERIES DESIGNATOR | UNJF |
| Components Related to NSN - 5305-00-121-8908, 5305001218908 | ||||
| 5325-01-017-8809 (5325010178809) | 5330-01-278-3019 (5330012783019) | 5365-01-304-3832 (5365013043832) | 5305-15-060-1487 (5305150601487) | |
| 5305-01-361-3193 (5305013613193) | 5330-01-259-4088 (5330012594088) | 5340-01-672-8342 (5340016728342) | 5342-00-452-9798 (5342004529798) | |
| 5310-01-175-0629 (5310011750629) | 5330-01-120-4149 (5330011204149) | 5331-01-441-4577 (5331014414577) | 5330-01-425-8795 (5330014258795) | |
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