The Screw,cap,socket Head, cataloged under National Stock Number 5305-00-008-5879, 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 18 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through both NSN and commercial part number lookups. 8 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5305-00-008-5879 |
| Primary Part Number | NAS1191E04P4LH |
| 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 | 0.059 INCHES MINIMUM AND 0.069 INCHES MAXIMUM IN |
| Fastener Length | 0.219 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | QQ-P-416,TYPE2,CLASS3 FED SPEC ALL TREATMENT RESPONSES OVERALL |
| Thread Length | 0.169 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN |
| Nominal Thread Diameter | 0.112 INCHES IN |
| Head Style | FLAT CHAMFER |
| Thread Direction | RIGHT-HAND |
| Specification/standard Data | 80205-NAS1191 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| 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 | IRON ALLOY 660 OVERALL |
| Thread Series Designator | UNJC |
| Head Diameter | 0.178 INCHES MINIMUM AND 0.183 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 |
|---|---|
| NAS1191E04P4LH | Nor-Cal Supply Co (USA) |
| NAS1191E04P4LH | Plastic and Metal Products Corporation (USA) |
| NAS1191E04P4LH PRIMARY | Long-Lok Llc (USA) |
| NAS1191E04P4LH | Hardware Specialty Co. Inc. Dba Hardware Specialty Co Inc (USA) |
| NAS1191E04P4LH PRIMARY | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| NAS1191E04P4LH PRIMARY | Fastener Innovation Technology, Inc. Dba F I T (USA) |
| NAS1191E04P4LH PRIMARY | Nd Industries Inc Div Eastern Division (USA) |
| NAS1191E04P4LH PRIMARY | Apcom Inc (USA) |
| NAS1191E04P4LH PRIMARY | Hi-Shear Corporation (USA) |
| NAS1191E04P4LH PRIMARY | Huck International, Inc (USA) |
| Reference | Meaning |
|---|---|
| NAS1191E04P4LH | 5/9 Secondary reference U.S. Government activity |
| NAS1191E04P4LH | 5/9 Secondary reference Lawrence Engineering and Supply Inc |
| NAS1191E04P4LH | 5/9 Secondary reference Sps Technologies, Llc Dba PB Fasteners |
| 5305000085879 | 6/9 Informative reference only E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales |
| NAS1191E04P4LH | 3/2 Design control — primary reference U.S. Government activity |
| NAS1191E04P4LH | 3/2 Design control — primary reference U.S. Government activity |
| NAS1191E04P4LH | 5/9 Secondary reference F and C Sales Inc |
| NAS1191E04P4LH | 5/9 Secondary reference Air Industries Co Inc |
NSN 5305-00-008-5879 is a Screw,cap,socket Head, manufactured by Long-Lok Llc, classified under FSC 5305, Screws. Status: active.
NSN 5305-00-008-5879 has 10 manufacturer part numbers on file: NAS1191E04P4LH (Nor-Cal Supply Co), NAS1191E04P4LH (Plastic and Metal Products Corporation), NAS1191E04P4LH (Long-Lok Llc), NAS1191E04P4LH (Hardware Specialty Co. Inc. Dba Hardware Specialty Co Inc), NAS1191E04P4LH (Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc) and 5 more.
Key specifications for NAS1191E04P4LH: Surface Finish: 32.0 MICROINCHES THREADS; Surface Finish: 32.0 MICROINCHES BEARING SURFACE OF HEAD; Head Height: 0.059 INCHES MINIMUM AND 0.069 INCHES MAXIMUM IN; Fastener Length: 0.219 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN. 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.