The Screw,close Tolerance, cataloged under National Stock Number 5305-00-100-6589, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Apcom Inc. Government technical data includes 21 specifications, cited from the U.S. Government catalog. The record lists 6 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through both NSN and commercial part number lookups. 8 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5305-00-100-6589 |
| Primary Part Number | NAS1133E1 |
| Item Name | Screw,close Tolerance |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Apcom Inc |
| 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 | 0.122 INCHES MINIMUM AND 0.133 INCHES MAXIMUM IN |
| Fastener Length | 0.323 INCHES MINIMUM AND 0.353 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 |
| Nominal Thread Diameter | 0.190 INCHES IN |
| Head Style | PAN |
| Thread Direction | RIGHT-HAND |
| Specification/standard Data | 80205-NAS1133 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| Grip Length | 0.052 INCHES MINIMUM AND 0.072 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 | 0.357 INCHES MINIMUM AND 0.373 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 |
|---|---|
| NAS1133E1 | Apcom Inc (USA) |
| NAS1133E1 | Plastic and Metal Products Corporation (USA) |
| NAS1133E1 | Huck International, Inc (USA) |
| NAS1133E1 | Hi-Shear Corporation (USA) |
| NAS1133E1 | Fastener Innovation Technology, Inc. Dba F I T (USA) |
| NAS1133E1 | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| Reference | Meaning |
|---|---|
| NAS1133E1 | 5/2 Secondary reference U.S. Government activity |
| NAS1133E1 | 5/9 Secondary reference Lawrence Engineering and Supply Inc |
| NAS1133E1 | 5/9 Secondary reference Nor-Cal Supply Co |
| NAS1133E1 | 5/9 Secondary reference U.S. Government activity |
| NAS1133E1 | 5/9 Secondary reference Sps Technologies, Llc Dba PB Fasteners |
| NAS1133E1 | 5/2 Secondary reference U.S. Government activity |
| NAS1133E1 | 3/2 Design control — primary reference U.S. Government activity |
| NAS1133E1 | 5/9 Secondary reference Air Industries Co Inc |
NSN 5305-00-100-6589 is a Screw,close Tolerance, manufactured by Apcom Inc, classified under FSC 5305, Screws. Status: active.
NSN 5305-00-100-6589 has 6 manufacturer part numbers on file: NAS1133E1 (Apcom Inc), NAS1133E1 (Plastic and Metal Products Corporation), NAS1133E1 (Huck International, Inc), NAS1133E1 (Hi-Shear Corporation), NAS1133E1 (Fastener Innovation Technology, Inc. Dba F I T) and 1 more.
Key specifications for NAS1133E1: Surface Finish: 32.0 MICROINCHES THREADS; Surface Finish: 32.0 MICROINCHES GRIP; Surface Finish: 32.0 MICROINCHES BEARING SURFACE OF HEAD; Head Height: 0.122 INCHES MINIMUM AND 0.133 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.