The Screw,cap,socket Head, cataloged under National Stock Number 5305-01-042-3748, 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 18 specifications, cited from the U.S. Government catalog. The record lists 12 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through both NSN and commercial part number lookups. 8 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5305-01-042-3748 |
| Primary Part Number | NAS1189E04P6 |
| Item Name | Screw,cap,socket Head |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Apcom Inc |
| Status | ACTIVE |
| Surface Finish | 32.0 MICROINCHES THREADS |
| Surface Finish | 32.0 MICROINCHES BEARING SURFACE OF HEAD |
| Fastener Length | 0.344 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | QQ-P-416 TY 2 CL 2 FED SPEC ALL TREATMENT RESPONSES OVERALL |
| Thread Length | 0.317 INCHES NOMINAL IN |
| Nominal Thread Diameter | 0.112 INCHES IN |
| Head Style | FLAT COUNTERSUNK |
| Thread Direction | RIGHT-HAND |
| Specification/standard Data | 80205-NAS1189 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| Locking Feature | PATCH OR STRIP THREADS |
| Surface Treatment | CADMIUM AND CHROMATE OVERALL |
| Internal Drive Style | CROSS RECESS TYPE 1 |
| Countersink Angle | 100.0 DEGREES NOMINAL |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 40 |
| Material | STEEL OVERALL |
| Thread Series Designator | UNJC |
| Head Diameter | 0.213 INCHES MINIMUM AND 0.225 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 |
|---|---|
| NAS1189E04P6 | Hardware Specialty Co. Inc. Dba Hardware Specialty Co Inc (USA) |
| NAS1189E04P6 | Nor-Cal Supply Co (USA) |
| NAS1189E04P6 | Plastic and Metal Products Corporation (USA) |
| NAS1189E04P6 PRIMARY | Apcom Inc (USA) |
| NAS1189E04P6 PRIMARY | Huck International, Inc (USA) |
| NAS1189E04P6 PRIMARY | Nd Industries Inc Div Eastern Division (USA) |
| NAS1189E04P6 PRIMARY | Fastener Innovation Technology, Inc. Dba F I T (USA) |
| NAS1189E04P6 PRIMARY | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| NAS1189E04P6 PRIMARY | Hi-Shear Corporation (USA) |
| NAS1189E04P6 | Satair A/s (DNK) |
| NAS1189E04P6 PRIMARY | Long-Lok Llc (USA) |
| NAS1189E04P6 | Fairchild Fasteners Europe - Vsd Gmbh (DEU) |
| Reference | Meaning |
|---|---|
| NAS1189E04P6 | 5/9 Secondary reference F and C Sales Inc |
| NAS1189E04P6 | 5/9 Secondary reference U.S. Government activity |
| NAS1189E04P6 | 3/2 Design control — primary reference U.S. Government activity |
| NAS1189E04P6 | 3/2 Design control — primary reference U.S. Government activity |
| NAS1189E04P6 | 3/2 Design control — primary reference U.S. Government activity |
| NAS1189E04P6 | 5/9 Secondary reference Lawrence Engineering and Supply Inc |
| NAS1189E04P6 | 5/9 Secondary reference Sps Technologies, Llc Dba PB Fasteners |
| NAS1189E04P6 | 5/9 Secondary reference Air Industries Co Inc |
NSN 5305-01-042-3748 is a Screw,cap,socket Head, manufactured by Apcom Inc, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-042-3748 has 12 manufacturer part numbers on file: NAS1189E04P6 (Hardware Specialty Co. Inc. Dba Hardware Specialty Co Inc), NAS1189E04P6 (Nor-Cal Supply Co), NAS1189E04P6 (Plastic and Metal Products Corporation), NAS1189E04P6 (Apcom Inc), NAS1189E04P6 (Huck International, Inc) and 7 more.
Key specifications for NAS1189E04P6: Surface Finish: 32.0 MICROINCHES THREADS; Surface Finish: 32.0 MICROINCHES BEARING SURFACE OF HEAD; Fastener Length: 0.344 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN; Surface Treatment Document and Classification: QQ-P-416 TY 2 CL 2 FED SPEC ALL TREATMENT RESPONSES OVERALL. 18 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.