The Screw,cap,socket Head, cataloged under National Stock Number 5305-00-899-2720, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc. Government technical data includes 17 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through both NSN and commercial part number lookups. 11 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-00-899-2720 |
| Primary Part Number | NAS1189-5P12W |
| Item Name | Screw,cap,socket Head |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc |
| Status | ACTIVE |
| Fastener Length | 0.750 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | QQ-P-416,TY 1,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Length | 0.750 INCHES MAXIMUM IN |
| Hardness Rating | 36.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM OVERALL |
| Nominal Thread Diameter | 0.312 INCHES IN |
| Head Style | FLAT COUNTERSUNK |
| Thread Direction | RIGHT-HAND |
| Locking Feature | PELLET OR STRIP THREADS |
| Surface Treatment | CADMIUM OVERALL |
| Minimum Tensile Strength | 160000 POUNDS PER SQUARE INCH LBS |
| Internal Drive Style | CROSS RECESS TYPE 1 |
| Countersink Angle | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 24 |
| Material | STEEL COMP E4340 OR STEEL COMP 4340 OR STEEL COMP 8740 OR STEEL COMP 8630 OR STEEL COMP 6150 OR STEEL COMP 4140 OR STEEL COMP 4037 OVERALL |
| Thread Series Designator | UNF |
| Head Diameter | 0.568 INCHES NOMINAL 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 |
|---|---|
| NAS1189-5P12W PRIMARY | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| NAS1189-5P12W PRIMARY | Apcom Inc (USA) |
| NAS1189-5P12W PRIMARY | Fastener Innovation Technology, Inc. Dba F I T (USA) |
| MAS1189-5P12W PRIMARY | Nd Industries Inc Div Eastern Division (USA) |
| 2572266 PRIMARY | Goodrich Corporation (USA) |
| NAS1189-5P12W PRIMARY | Hi-Shear Corporation (USA) |
| NAS1189-5P12W PRIMARY | Long-Lok Llc (USA) |
| NAS1189-5P12W | Plastic and Metal Products Corporation (USA) |
| NAS1189-5P12W | Hardware Specialty Co. Inc. Dba Hardware Specialty Co Inc (USA) |
| NAS1189-5P12W | Nor-Cal Supply Co (USA) |
| Reference | Meaning |
|---|---|
| NAS1189-5P12W | 5/9 Secondary reference Air Industries Co Inc |
| NAS1189-5P12W | 3/2 Design control — primary reference U.S. Government activity |
| 2572266 | 5/9 Secondary reference Goodrich Corp Dba Goodrich Corp |
| NAS1189-5P12W | 5/9 Secondary reference F and C Sales Inc |
| NAS1189-5P12W | 5/9 Secondary reference U.S. Government activity |
| NAS1189-5P12W | 5/9 Secondary reference Sps Technologies, Llc Dba PB Fasteners |
| NAS1189-5P12W | 5/9 Secondary reference Lawrence Engineering and Supply Inc |
| NAS1189-5P12W | 3/2 Design control — primary reference U.S. Government activity |
| NAS1189-5P12W | 3/2 Design control — primary reference U.S. Government activity |
| 2572266 | 5/9 Secondary reference Honeywell International Inc. Dba Honeywell Div Aerospace-South Bend (westmoor St) |
| NAS1189-5P12W | C/1 Advisory reference — outside the item-of-supply concept Huck International, Inc |
NSN 5305-00-899-2720 is a Screw,cap,socket Head, manufactured by Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc, classified under FSC 5305, Screws. Status: active.
NSN 5305-00-899-2720 has 10 manufacturer part numbers on file: NAS1189-5P12W (Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc), NAS1189-5P12W (Apcom Inc), NAS1189-5P12W (Fastener Innovation Technology, Inc. Dba F I T), MAS1189-5P12W (Nd Industries Inc Div Eastern Division), 2572266 (Goodrich Corporation) and 5 more.
Key specifications for NAS1189-5P12W: Fastener Length: 0.750 INCHES NOMINAL IN; Surface Treatment Document and Classification: QQ-P-416,TY 1,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Thread Length: 0.750 INCHES MAXIMUM IN; Hardness Rating: 36.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM OVERALL. 17 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.