The Screw,close Tolerance, cataloged under National Stock Number 5305-01-414-5402, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Northrop Grumman Systems Corporation Dba Northrop Grumman Is Div Northrop Grumman Aeronautics Systems. Government technical data includes 15 specifications, cited from the U.S. Government catalog. The record lists 9 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-414-5402 |
| Primary Part Number | 03A225-3-4A |
| Item Name | Screw,close Tolerance |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Northrop Grumman Systems Corporation Dba Northrop Grumman Is Div Northrop Grumman Aeronautics Systems |
| Status | ACTIVE |
| Fastener Length | 0.613 INCHES NOMINAL IN |
| Thread Length | 0.363 INCHES NOMINAL IN |
| Material Document and Classification | AMS4928 ASSN STD ALL MATERIAL RESPONSES OVERALL |
| Nominal Thread Diameter | 0.190 INCHES IN |
| Head Style | FLAT COUNTERSUNK |
| Thread Direction | RIGHT-HAND |
| Grip Length | 0.250 INCHES NOMINAL IN |
| Grip Diameter | 0.1890 INCHES MINIMUM AND 0.1895 INCHES MAXIMUM IN |
| Internal Drive Style | OFFSET CRUCIFORM (TORQUE SET) |
| Countersink Angle | 129.0 DEGREES MINIMUM AND 131.0 DEGREES MAXIMUM |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 32 |
| Material | TITANIUM ALLOY UNS R56400 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Head Diameter | 0.3825 INCHES MINIMUM AND 0.3911 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 |
|---|---|
| SLB212-3-4A | Space-Lok, Inc. Dba Space-Lok Inc Div Space-Lok (USA) |
| HR246-3-4A | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| SC5027-3-4A | Howmet Global Fastening Systems Inc (USA) |
| 03A225-3-4A PRIMARY | Northrop Grumman Systems Corporation Dba Northrop Grumman Is Div Northrop Grumman Aeronautics Systems (USA) |
| PBF1484-3-4A | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| 03A225-3-4A | Northrop Grumman Systems Corp Dba Northrop Grumman Computing Systems (USA) |
| DF33001VA-3T-4 | Huck International, Inc. Div Huck Products Division (USA) |
| HR246-3-4A | Hi-Shear Corporation (USA) |
| AIC1700-3-4A | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| Reference | Meaning |
|---|---|
| 123992-3-4A | 5/2 Secondary reference U.S. Government activity |
| 123992-3-4A | 5/9 Secondary reference Sps Technologies Inc |
| DF33001VA-3T-4 | 5/9 Secondary reference U.S. Government activity |
NSN 5305-01-414-5402 is a Screw,close Tolerance, manufactured by Northrop Grumman Systems Corporation Dba Northrop Grumman Is Div Northrop Grumman Aeronautics Systems, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-414-5402 has 9 manufacturer part numbers on file: SLB212-3-4A (Space-Lok, Inc. Dba Space-Lok Inc Div Space-Lok), HR246-3-4A (Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc), SC5027-3-4A (Howmet Global Fastening Systems Inc), 03A225-3-4A (Northrop Grumman Systems Corporation Dba Northrop Grumman Is Div Northrop Grumman Aeronautics Systems), PBF1484-3-4A (Sps Technologies Llc Dba PB Fasteners Div PB Fasteners) and 4 more.
Key specifications for 03A225-3-4A: Fastener Length: 0.613 INCHES NOMINAL IN; Thread Length: 0.363 INCHES NOMINAL IN; Material Document and Classification: AMS4928 ASSN STD ALL MATERIAL RESPONSES OVERALL; Nominal Thread Diameter: 0.190 INCHES IN. 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.