The Screw,close Tolerance, cataloged under National Stock Number 5305-01-022-8084, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Hi-Shear Corporation. Government technical data includes 22 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 15 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-022-8084 |
| Primary Part Number | NAS1123E5 |
| Item Name | Screw,close Tolerance |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Hi-Shear Corporation |
| 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 | 0.573 INCHES MINIMUM AND 0.603 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Length | 0.251 INCHES MINIMUM AND 0.301 INCHES MAXIMUM IN |
| Material Document and Classification | AMS 5737 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.190 INCHES IN |
| Head Style | FILLISTER |
| Thread Direction | RIGHT-HAND |
| Specification/standard Data | 80205-NAS1123 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| Grip Length | 0.302 INCHES MINIMUM AND 0.322 INCHES MAXIMUM IN |
| Grip Diameter | 0.1885 INCHES MINIMUM AND 0.1895 INCHES MAXIMUM IN |
| Surface Treatment | PASSIVATE 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 | IRON ALLOY 660 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Head Diameter | 0.306 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 |
| Part Number | Manufacturer |
|---|---|
| NAS1123E5 PRIMARY | Hi-Shear Corporation (USA) |
| Reference | Meaning |
|---|---|
| NAS1123E5 | 5/9 Secondary reference Apcom Inc |
| NAS1123E5 | 5/9 Secondary reference F and C Sales Inc |
| NAS1123E5 | 5/9 Secondary reference U.S. Government activity |
| NAS1123E5 | 5/9 Secondary reference Nor-Cal Supply Co |
| NAS1123E5 | 5/9 Secondary reference Plastic and Metal Products Corporation |
| NAS1123E5 | 5/9 Secondary reference Air Industries Co Inc |
| NAS1123E5 | 3/2 Design control — primary reference U.S. Government activity |
| NAS1123E5 | 5/9 Secondary reference Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc |
| NAS1123E5 | 5/9 Secondary reference Sps Technologies, Llc Dba PB Fasteners |
| NAS1123E5 | 5/9 Secondary reference Lawrence Engineering and Supply Inc |
| NAS1123E5 | 5/9 Secondary reference Fastener Innovation Technology, Inc. Dba F I T |
| NAS1123E5 | 5/9 Secondary reference U.S. Government activity |
| NAS1123E5 | 5/9 Secondary reference Qualified Air Components Inc. |
| NAS1123E5 | 5/9 Secondary reference Huck International, Inc |
| NAS1123E5 | 5/9 Secondary reference U.S. Government activity |
NSN 5305-01-022-8084 is a Screw,close Tolerance, manufactured by Hi-Shear Corporation, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-022-8084 has 1 manufacturer part number on file: NAS1123E5 (Hi-Shear Corporation).
Key specifications for NAS1123E5: 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. 22 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.