The Screw,close Tolerance, cataloged under National Stock Number 5305-01-030-4902, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is The Boeing Company Div Defense. Government technical data includes 15 specifications, cited from the U.S. Government catalog. The record lists 8 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through both NSN and commercial part number lookups. 11 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5305-01-030-4902 |
| Primary Part Number | ST3M652C3-5D |
| Item Name | Screw,close Tolerance |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| Fastener Length | 0.703 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN |
| Thread Length | 0.381 INCHES MINIMUM AND 0.448 INCHES MAXIMUM IN |
| Nominal Thread Diameter | 0.190 INCHES IN |
| Head Style | OVAL COUNTERSUNK |
| Thread Direction | RIGHT-HAND |
| Grip Length | 0.302 INCHES MINIMUM AND 0.322 INCHES MAXIMUM IN |
| Grip Diameter | 0.1890 INCHES MINIMUM AND 0.1895 INCHES MAXIMUM IN |
| Surface Treatment | PASSIVATE OVERALL |
| Internal Drive Style | HIGH-TORQUE |
| Countersink Angle | 100.0 DEGREES NOMINAL |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 32 |
| Material | STEEL CORROSION RESISTING OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Head Diameter | 0.376 INCHES MINIMUM AND 0.381 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 |
|---|---|
| ST3M652C3-5D | Sps Technologies Ltd, Tj Brooks Division (GBR) |
| ST3M652C3-5D | West Coast Aerospace, Inc. (USA) |
| ST3M652C3-5D PRIMARY | The Boeing Company Div Defense (USA) |
| HT4020-3-5 | Howmet Global Fastening Systems Inc (USA) |
| ST3M652C3-5D | Huck International, Inc (USA) |
| ST3M652C3-5D | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| ST3M652C3-5D | Fastener Innovation Technology, Inc. Dba F I T (USA) |
| ST3M652C3-5D | Hi-Shear Corporation (USA) |
| Reference | Meaning |
|---|---|
| HT4020-3-5 | C/1 Advisory reference — outside the item-of-supply concept Huck International, Inc |
| ST3M652C3-5D | 5/2 Secondary reference U.S. Government activity |
| HT4020-3-5 | 5/9 Secondary reference U.S. Government activity |
| CHT4020-3-5 | 5/9 Secondary reference U.S. Government activity |
| HT4020-3-5 | 5/9 Secondary reference U.S. Government activity |
| CHT4020-3-5 | 5/9 Secondary reference U.S. Government activity |
| ST3M652C3-5D | 5/9 Secondary reference U.S. Government activity |
| ST3M652C3-5D | 5/9 Secondary reference Sps Technologies Inc |
| CHT4020-3-5 | 5/9 Secondary reference Deutsch Co the |
| HT4020-3-5 | 5/9 Secondary reference Sps Technologies, Llc Dba PB Fasteners |
| HT4020-3-5 | 5/9 Secondary reference Hi-Shear Corporation |
NSN 5305-01-030-4902 is a Screw,close Tolerance, manufactured by The Boeing Company Div Defense, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-030-4902 has 8 manufacturer part numbers on file: ST3M652C3-5D (Sps Technologies Ltd, Tj Brooks Division), ST3M652C3-5D (West Coast Aerospace, Inc.), ST3M652C3-5D (The Boeing Company Div Defense), HT4020-3-5 (Howmet Global Fastening Systems Inc), ST3M652C3-5D (Huck International, Inc) and 3 more.
Key specifications for ST3M652C3-5D: Fastener Length: 0.703 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN; Thread Length: 0.381 INCHES MINIMUM AND 0.448 INCHES MAXIMUM IN; Nominal Thread Diameter: 0.190 INCHES IN; Head Style: OVAL COUNTERSUNK. 15 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.