The Screw,cap,socket Head, cataloged under National Stock Number 5305-00-008-9100, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Nd Industries Inc Div Eastern Division. Government technical data includes 19 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through both NSN and commercial part number lookups. 7 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-00-008-9100 |
| Primary Part Number | NAS1191E04P20L |
| Item Name | Screw,cap,socket Head |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Nd Industries Inc Div Eastern Division |
| 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 | 1.188 INCHES MINIMUM AND 1.250 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Length | 1.138 INCHES MINIMUM AND 1.250 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 |
| Locking Feature | STRIP THREADS |
| Surface Treatment | PASSIVATE 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 |
|---|---|
| NAS1191E04P20L | Hardware Specialty Co. Inc. Dba Hardware Specialty Co Inc (USA) |
| NAS1191E04P20L PRIMARY | Nd Industries Inc Div Eastern Division (USA) |
| NAS1191E04P20L | Nor-Cal Supply Co (USA) |
| NAS1191E04P20L PRIMARY | Fastener Innovation Technology, Inc. Dba F I T (USA) |
| NAS1191E04P20L | Plastic and Metal Products Corporation (USA) |
| NAS1191E04P20L PRIMARY | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| NAS1191E04P20L PRIMARY | Huck International, Inc (USA) |
| NAS1191E04P20L PRIMARY | Apcom Inc (USA) |
| NAS1191E04P20L PRIMARY | Long-Lok Llc (USA) |
| NAS1191E04P20L PRIMARY | Hi-Shear Corporation (USA) |
| Reference | Meaning |
|---|---|
| NAS1191E04P20L | 5/9 Secondary reference Lawrence Engineering and Supply Inc |
| NAS1191E04P20L | 5/9 Secondary reference Sps Technologies, Llc Dba PB Fasteners |
| NAS1191E04P20L | 5/9 Secondary reference F and C Sales Inc |
| NAS1191E04P20L | 5/9 Secondary reference U.S. Government activity |
| NAS1191E04P20L | 3/2 Design control — primary reference U.S. Government activity |
| NAS1191E04P20L | 5/9 Secondary reference Air Industries Co Inc |
| NAS1191E04P20L | 3/2 Design control — primary reference U.S. Government activity |
NSN 5305-00-008-9100 is a Screw,cap,socket Head, manufactured by Nd Industries Inc Div Eastern Division, classified under FSC 5305, Screws. Status: active.
NSN 5305-00-008-9100 has 10 manufacturer part numbers on file: NAS1191E04P20L (Hardware Specialty Co. Inc. Dba Hardware Specialty Co Inc), NAS1191E04P20L (Nd Industries Inc Div Eastern Division), NAS1191E04P20L (Nor-Cal Supply Co), NAS1191E04P20L (Fastener Innovation Technology, Inc. Dba F I T), NAS1191E04P20L (Plastic and Metal Products Corporation) and 5 more.
Key specifications for NAS1191E04P20L: 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: 1.188 INCHES MINIMUM AND 1.250 INCHES MAXIMUM IN. 19 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.