The Screw,cap,socket Head, cataloged under National Stock Number 5305-01-042-2775, 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 21 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through both NSN and commercial part number lookups. 9 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-042-2775 |
| Primary Part Number | NAS1190-04P6B |
| 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 | 0.344 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | QQ-P-416,TY 2 CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Length | 0.294 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN |
| Hardness Rating | 36.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM OVERALL |
| Material Document and Classification | MIL-S-5000 MIL SPEC 1ST MATERIAL RESPONSE OR MIL-S-5626 MIL SPEC 2ND MATERIAL RESPONSE OR MIL-S-6049 MIL SPEC 3RD MATERIAL RESPONSE OR MIL-S-6098 MIL SPEC 4TH MATERIAL RESPONSE OR MIL-S-8503 MIL SPEC 5TH MATERIAL RESPONSE 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 |
|---|---|
| NAS1190-04P6B PRIMARY | Long-Lok Llc (USA) |
| NAS1190-04P6B PRIMARY | Fastener Innovation Technology, Inc. Dba F I T (USA) |
| NAS1190-04P6B PRIMARY | Nd Industries Inc Div Eastern Division (USA) |
| NAS1190-04P6B | Hardware Specialty Co. Inc. Dba Hardware Specialty Co Inc (USA) |
| NAS1190-04P6B PRIMARY | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| NAS1190-04P6B PRIMARY | Apcom Inc (USA) |
| NAS1190-04P6B PRIMARY | Huck International, Inc (USA) |
| NAS1190-04P6B PRIMARY | Hi-Shear Corporation (USA) |
| NAS1190-04P6B | Nor-Cal Supply Co (USA) |
| NAS1190-04P6B | Plastic and Metal Products Corporation (USA) |
| Reference | Meaning |
|---|---|
| NAS1190-04P6B | 5/9 Secondary reference U.S. Government activity |
| NAS1190-04P6B | 5/9 Secondary reference Air Industries Co Inc |
| NAS1190E04P6B | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
| NAS1190-04P6B | 3/2 Design control — primary reference U.S. Government activity |
| NAS1190-04P6B | 3/2 Design control — primary reference U.S. Government activity |
| NAS1190-04P6B | 5/9 Secondary reference F and C Sales Inc |
| NAS1190-04P6B | 3/2 Design control — primary reference U.S. Government activity |
| NAS1190-04P6B | 5/9 Secondary reference Sps Technologies, Llc Dba PB Fasteners |
| NAS1190-04P6B | 5/9 Secondary reference Lawrence Engineering and Supply Inc |
NSN 5305-01-042-2775 is a Screw,cap,socket Head, manufactured by Long-Lok Llc, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-042-2775 has 10 manufacturer part numbers on file: NAS1190-04P6B (Long-Lok Llc), NAS1190-04P6B (Fastener Innovation Technology, Inc. Dba F I T), NAS1190-04P6B (Nd Industries Inc Div Eastern Division), NAS1190-04P6B (Hardware Specialty Co. Inc. Dba Hardware Specialty Co Inc), NAS1190-04P6B (Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc) and 5 more.
1 possible match (shared part number, not a government interchangeability claim): 5305-01-242-0623. Verify interchangeability with system specifications before substitution.
Key specifications for NAS1190-04P6B: 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: 0.344 INCHES MINIMUM AND 0.375 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.