The Screw,cap,socket Head, cataloged under National Stock Number 5305-01-133-3863, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Long-Lok Llc. Government technical data includes 20 specifications, cited from the U.S. Government catalog. The record lists 10 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through both NSN and commercial part number lookups. 8 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5305-01-133-3863 |
| Primary Part Number | NAS1190-04P8B |
| Item Name | Screw,cap,socket Head |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Long-Lok Llc |
| Status | ACTIVE |
| Surface Finish | 32.0 MICROINCHES THREADS |
| Surface Finish | 32.0 MICROINCHES BEARING SURFACE OF HEAD |
| Head Height | 0.070 INCHES MINIMUM AND 0.080 INCHES MAXIMUM IN |
| Fastener Length | 0.469 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | QQ-P-416 TYPE 2 CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Length | 0.419 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN |
| Hardness Rating | 36.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM OVERALL |
| Nominal Thread Diameter | 0.112 INCHES IN |
| Head Style | PAN |
| Thread Direction | RIGHT-HAND |
| Specification/standard Data | 80205-NAS1190 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| Locking Feature | PATCH THREADS |
| Surface Treatment | CADMIUM AND CHROMATE OVERALL |
| Minimum Tensile Strength | 160000 POUNDS PER SQUARE INCH LBS |
| Internal Drive Style | CROSS RECESS TYPE 1 |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 40 |
| Material | STEEL COMP E4340 OR STEEL COMP 4140 OR STEEL COMP 8740 OR STEEL COMP 8735 OR STEEL COMP 6150 OVERALL |
| Thread Series Designator | UNJC |
| Head Diameter | 0.205 INCHES MINIMUM AND 0.219 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 |
|---|---|
| NAS1190-04P8B PRIMARY | Long-Lok Llc (USA) |
| NAS1190-04P8B PRIMARY | Morris Mfg & Sls Corp (USA) |
| NAS1190-04P8B PRIMARY | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| NAS1190-04P8B | Hardware Specialty Co. Inc. Dba Hardware Specialty Co Inc (USA) |
| NAS1190-04P8B PRIMARY | Hi-Shear Corporation (USA) |
| NAS1190-04P8B PRIMARY | Huck International, Inc (USA) |
| NAS1190-04P8B PRIMARY | Nd Industries Inc Div Eastern Division (USA) |
| NAS1190-04P8B PRIMARY | Apcom Inc (USA) |
| NAS1190-04P8B PRIMARY | Fastener Innovation Technology, Inc. Dba F I T (USA) |
| NAS1190-04P8B | Nor-Cal Supply Co (USA) |
| Reference | Meaning |
|---|---|
| NAS1190-04P8B | 5/9 Secondary reference Sps Technologies, Llc Dba PB Fasteners |
| NAS1190-04P8B | 5/9 Secondary reference U.S. Government activity |
| NAS1190-04P8B | 5/9 Secondary reference Air Industries Co Inc |
| NAS1190-04P8B | 3/2 Design control — primary reference U.S. Government activity |
| NAS1190-04P8B | 5/9 Secondary reference Lawrence Engineering and Supply Inc |
| NAS1190-04P8B | 3/2 Design control — primary reference U.S. Government activity |
| NAS1190-04P8B | 5/9 Secondary reference F and C Sales Inc |
| NAS1190-04P8B | 3/2 Design control — primary reference U.S. Government activity |
NSN 5305-01-133-3863 is a Screw,cap,socket Head, manufactured by Long-Lok Llc, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-133-3863 has 10 manufacturer part numbers on file: NAS1190-04P8B (Long-Lok Llc), NAS1190-04P8B (Morris Mfg & Sls Corp), NAS1190-04P8B (Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc), NAS1190-04P8B (Hardware Specialty Co. Inc. Dba Hardware Specialty Co Inc), NAS1190-04P8B (Hi-Shear Corporation) and 5 more.
Key specifications for NAS1190-04P8B: Surface Finish: 32.0 MICROINCHES THREADS; Surface Finish: 32.0 MICROINCHES BEARING SURFACE OF HEAD; Head Height: 0.070 INCHES MINIMUM AND 0.080 INCHES MAXIMUM IN; Fastener Length: 0.469 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN. 20 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.