The Screw,close Tolerance, cataloged under National Stock Number 5305-01-082-3318, 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 22 specifications, cited from the U.S. Government catalog. The record lists 7 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through both NSN and commercial part number lookups. 8 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5305-01-082-3318 |
| Primary Part Number | NAS1132E18 |
| 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 | 0.105 INCHES MINIMUM AND 0.115 INCHES MAXIMUM IN |
| Fastener Length | 1.386 INCHES MINIMUM AND 1.416 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 | 0.164 INCHES IN |
| Head Style | PAN |
| Thread Direction | RIGHT-HAND |
| Specification/standard Data | 80205-NAS1132 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| Grip Length | 1.115 INCHES MINIMUM AND 1.135 INCHES MAXIMUM IN |
| Grip Diameter | 0.1625 INCHES MINIMUM AND 0.1635 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 | UNJC |
| Head Diameter | 0.306 INCHES MINIMUM AND 0.322 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 |
|---|---|
| NAS1132E18 PRIMARY | Apcom Inc (USA) |
| NAS1132E18 PRIMARY | Hi-Shear Corporation (USA) |
| NAS1132E18 | Nor-Cal Supply Co (USA) |
| NAS1132E18 | Plastic and Metal Products Corporation (USA) |
| NAS1132E18 PRIMARY | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| NAS1132E18 PRIMARY | Huck International, Inc (USA) |
| NAS1132E18 PRIMARY | Fastener Innovation Technology, Inc. Dba F I T (USA) |
| Reference | Meaning |
|---|---|
| NAS1132E18 | 5/9 Secondary reference Lawrence Engineering and Supply Inc |
| NAS1132E18 | 3/2 Design control — primary reference U.S. Government activity |
| NAS1132E18 | 3/2 Design control — primary reference U.S. Government activity |
| NAS1132E18 | 5/9 Secondary reference Sps Technologies, Llc Dba PB Fasteners |
| NAS1132E18 | 3/2 Design control — primary reference U.S. Government activity |
| NAS1132E18 | 5/9 Secondary reference F and C Sales Inc |
| NAS1132E18 | 5/9 Secondary reference U.S. Government activity |
| NAS1132E18 | 5/9 Secondary reference Air Industries Co Inc |
NSN 5305-01-082-3318 is a Screw,close Tolerance, manufactured by Apcom Inc, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-082-3318 has 7 manufacturer part numbers on file: NAS1132E18 (Apcom Inc), NAS1132E18 (Hi-Shear Corporation), NAS1132E18 (Nor-Cal Supply Co), NAS1132E18 (Plastic and Metal Products Corporation), NAS1132E18 (Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc) and 2 more.
Key specifications for NAS1132E18: Surface Finish: 32.0 MICROINCHES THREADS; Surface Finish: 32.0 MICROINCHES GRIP; Surface Finish: 32.0 MICROINCHES BEARING SURFACE OF HEAD; Head Height: 0.105 INCHES MINIMUM AND 0.115 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.