The Screw,close Tolerance, cataloged under National Stock Number 5305-00-929-1809, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. Government technical data includes 23 specifications, cited from the U.S. Government catalog. 15 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-00-929-1809 |
| Item Name | Screw,close Tolerance |
| FSC / FSG | 5305 / 53 — Screws |
| Status | ACTIVE |
| Surface Finish | 32.0 MICROINCHES THREADS |
| Surface Finish | 32.0 MICROINCHES GRIP |
| Surface Finish | 32.0 MICROINCHES BEARING SURFACE OF HEAD |
| Head Height | 0.103 INCHES MINIMUM AND 0.118 INCHES MAXIMUM IN |
| Fastener Length | 0.699 INCHES MINIMUM AND 0.729 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | QQ-P-146,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Length | 0.276 INCHES MINIMUM IN |
| Hardness Rating | 36.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM OVERALL |
| Material Document and Classification | MIL-S-5626 MIL SPEC 1ST MATERIAL RESPONSE OR MIL-S-5000 MIL SPEC 2ND MATERIAL RESPONSE OR MIL-S-8503 MIL SPEC 3RD MATERIAL RESPONSE OR MIL-S-6098 MIL SPEC 4TH MATERIAL RESPONSE OR MIL-S-6049 MIL SPEC 5TH MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.190 INCHES IN |
| Head Style | FLAT CHAMFER |
| Thread Direction | RIGHT-HAND |
| Specification/standard Data | 80205-NAS1123 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| Grip Length | 0.438 INCHES NOMINAL IN |
| Grip Diameter | 0.1885 INCHES MINIMUM AND 0.1895 INCHES MAXIMUM IN |
| Surface Treatment | CADMIUM AND CHROMATE OVERALL |
| Minimum Tensile Strength | 160000 POUNDS PER SQUARE INCH LBS |
| Internal Drive Style | OFFSET CRUCIFORM (TORQUE SET) |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 32 |
| Material | STEEL COMP 4140 OR STEEL COMP E4340 OR STEEL COMP 6150 OR STEEL COMP 8735 OR STEEL COMP 8740 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Head Diameter | 0.296 INCHES MINIMUM AND 0.313 INCHES MAXIMUM IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| NAS1123-7 | 5/9 Secondary reference Apcom Inc |
| NAS1123-7 | 5/9 Secondary reference Fastener Innovation Technology, Inc. Dba F I T |
| NAS1123-7 | 5/9 Secondary reference F and C Sales Inc |
| 5305PL0759184 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| NAS1123-7 | 5/9 Secondary reference U.S. Government activity |
| NAS1123-7 | 5/9 Secondary reference Lawrence Engineering and Supply Inc |
| NAS1123-7 | 5/9 Secondary reference Sps Technologies, Llc Dba PB Fasteners |
| NAS1123-7 | 5/9 Secondary reference Nor-Cal Supply Co |
| NAS1123-7 | 3/2 Design control — primary reference U.S. Government activity |
| NAS1123-7 | 5/9 Secondary reference Qualified Air Components Inc. |
| NAS1123-7 | 5/9 Secondary reference Hi-Shear Corporation |
| NAS1123-7 | 5/9 Secondary reference U.S. Government activity |
| NAS1123-7 | 5/9 Secondary reference U.S. Government activity |
| NAS1123-7 | 5/9 Secondary reference Air Industries Co Inc |
| NAS1123-7 | 5/9 Secondary reference Plastic and Metal Products Corporation |
NSN 5305-00-929-1809 is a Screw,close Tolerance, classified under FSC 5305, Screws. Status: active.
Key specifications for 5305-00-929-1809: Surface Finish: 32.0 MICROINCHES THREADS; Surface Finish: 32.0 MICROINCHES GRIP; Surface Finish: 32.0 MICROINCHES BEARING SURFACE OF HEAD; Head Height: 0.103 INCHES MINIMUM AND 0.118 INCHES MAXIMUM IN. 23 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.