The Screw,close Tolerance, cataloged under National Stock Number 5305-01-014-2587, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Howmet Global Fastening Systems Inc. Government technical data includes 18 specifications, cited from the U.S. Government catalog. The record lists 5 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-014-2587 |
| Primary Part Number | S5008-3-3 |
| Item Name | Screw,close Tolerance |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Howmet Global Fastening Systems Inc |
| Status | ACTIVE |
| Surface Finish | 32.0 MICROINCHES THREADS |
| Surface Finish | 32.0 MICROINCHES GRIP |
| Head Height | 0.013 INCHES MAXIMUM IN |
| Fastener Length | 0.565 INCHES MINIMUM AND 0.595 INCHES MAXIMUM IN |
| Thread Length | 0.381 INCHES MINIMUM AND 0.431 INCHES MAXIMUM IN |
| Material Document and Classification | AMS 5629 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.190 INCHES IN |
| Head Style | FILLISTER COUNTERSUNK |
| Thread Direction | RIGHT-HAND |
| Grip Length | 0.164 INCHES MINIMUM AND 0.184 INCHES MAXIMUM IN |
| Grip Diameter | 0.1885 INCHES MINIMUM AND 0.1895 INCHES MAXIMUM IN |
| Internal Drive Style | HIGH-TORQUE |
| Countersink Angle | 100.0 DEGREES NOMINAL |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 32 |
| Material | STEEL COMP XM-13 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Head Diameter | 0.2966 INCHES MINIMUM AND 0.3016 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 |
|---|---|
| S5008-3-3 | Howmet Global Fastening Systems Inc (USA) |
| S5008-3-3 | Huck International, Inc (USA) |
| S5008-3-3 | Hi-Shear Corporation (USA) |
| S5008-3-3 | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| S5008-3-3 | Howmet Global Fastening Systems Inc Div City of Industry Operations (USA) |
| Reference | Meaning |
|---|---|
| S5008-3-3 | 5/9 Secondary reference U.S. Government activity |
| S5008-3-3 | C/1 Advisory reference — outside the item-of-supply concept Northrop Grumman Systems Corporation |
| S5008-3-3 | 5/9 Secondary reference U.S. Government activity |
| S5008-3-3 | 3/9 Design control — primary reference Northrop Grumman Systems Corporation |
NSN 5305-01-014-2587 is a Screw,close Tolerance, manufactured by Howmet Global Fastening Systems Inc, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-014-2587 has 5 manufacturer part numbers on file: S5008-3-3 (Howmet Global Fastening Systems Inc), S5008-3-3 (Huck International, Inc), S5008-3-3 (Hi-Shear Corporation), S5008-3-3 (Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc), S5008-3-3 (Howmet Global Fastening Systems Inc Div City of Industry Operations).
Key specifications for S5008-3-3: Surface Finish: 32.0 MICROINCHES THREADS; Surface Finish: 32.0 MICROINCHES GRIP; Head Height: 0.013 INCHES MAXIMUM IN; Fastener Length: 0.565 INCHES MINIMUM AND 0.595 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.