The Screw,close Tolerance, cataloged under National Stock Number 5305-01-027-4665, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Plastic and Metal Products Corporation. Government technical data includes 21 specifications, cited from the U.S. Government catalog. The record lists 8 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 8 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-027-4665 |
| Primary Part Number | NAS1123E19H |
| Item Name | Screw,close Tolerance |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Plastic and Metal Products 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 | 1.449 INCHES MINIMUM AND 1.479 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 | FLAT CHAMFER |
| Specification/standard Data | 80205-NAS1123 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| Grip Length | 1.178 INCHES MINIMUM AND 1.198 INCHES MAXIMUM IN |
| Grip Diameter | 0.1881 INCHES MINIMUM AND 0.1887 INCHES MAXIMUM IN |
| Surface Treatment | PASSIVATE OVERALL |
| Minimum Tensile Strength | 160000 POUNDS PER SQUARE INCH LBS |
| Internal Drive Style | OFFSET CRUCIFORM (TORQUE SET) |
| Thread Quantity Per Inch | 32 |
| Material | IRON ALLOY 660 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Hole Diameter | 0.034 INCHES MINIMUM AND 0.042 INCHES MAXIMUM IN |
| 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 |
|---|---|
| NAS1123E19H | Plastic and Metal Products Corporation (USA) |
| NAS1123E19H | Qualified Air Components Inc. (USA) |
| NAS1123E19H | Hi-Shear Corporation (USA) |
| NAS1123E19H | Fastener Innovation Technology, Inc. Dba F I T (USA) |
| NAS1123E19H | Huck International, Inc (USA) |
| NAS1123E19H | Apcom Inc (USA) |
| NAS1123E19H | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| NAS1123E19H | Nor-Cal Supply Co (USA) |
| Reference | Meaning |
|---|---|
| NAS1123E19H | 5/2 Secondary reference U.S. Government activity |
| NAS1123E19H | 5/9 Secondary reference Air Industries Co Inc |
| NAS1123E19H | 5/9 Secondary reference Sps Technologies, Llc Dba PB Fasteners |
| NAS1123E19H | 3/2 Design control — primary reference U.S. Government activity |
| NAS1123E19H | 5/9 Secondary reference Lawrence Engineering and Supply Inc |
| NAS1123E19H | 5/9 Secondary reference U.S. Government activity |
| NAS1123E19H | 5/9 Secondary reference F and C Sales Inc |
| NAS1123E19H | 5/2 Secondary reference U.S. Government activity |
NSN 5305-01-027-4665 is a Screw,close Tolerance, manufactured by Plastic and Metal Products Corporation, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-027-4665 has 8 manufacturer part numbers on file: NAS1123E19H (Plastic and Metal Products Corporation), NAS1123E19H (Qualified Air Components Inc.), NAS1123E19H (Hi-Shear Corporation), NAS1123E19H (Fastener Innovation Technology, Inc. Dba F I T), NAS1123E19H (Huck International, Inc) and 3 more.
Key specifications for NAS1123E19H: 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. 21 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.