The Screw,externally Relieved Body, cataloged under National Stock Number 5305-00-003-4353, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Northrop Grumman Corp Electronic Systems Defensive System Div. Government technical data includes 19 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-00-003-4353 |
| Primary Part Number | 301614 |
| Item Name | Screw,externally Relieved Body |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Northrop Grumman Corp Electronic Systems Defensive System Div |
| Status | ACTIVE |
| Head Height | 0.105 INCHES NOMINAL IN |
| Fastener Length | 0.375 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | QQ-P-416 TY 2 CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Length | 0.100 INCHES MINIMUM AND 0.105 INCHES MAXIMUM IN |
| Material Document and Classification | MIL-S-5626 COND C4 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| First Diameter From Head | 0.078 INCHES MINIMUM AND 0.080 INCHES MAXIMUM IN |
| Nominal Thread Diameter | 0.112 INCHES IN |
| Head Style | FLAT CHAMFER |
| Thread Direction | RIGHT-HAND |
| Distance From Largest Bearing Surface of Head to End of First Diameter | 0.270 INCHES MINIMUM AND 0.275 INCHES MAXIMUM IN |
| Externally Relieved Body Diameter Quantity | 1 |
| Surface Treatment | CADMIUM OVERALL |
| Minimum Tensile Strength | 160000 POUNDS PER SQUARE INCH LBS |
| Internal Drive Style | SLOT |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 40 |
| Material | STEEL COMP 4140 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Head Diameter | 0.187 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 |
|---|---|
| 301614 PRIMARY | Northrop Grumman Corp Electronic Systems Defensive System Div (USA) |
| Reference | Meaning |
|---|---|
| 301614 | 5/9 Secondary reference First American Sales Co Inc |
NSN 5305-00-003-4353 is a Screw,externally Relieved Body, manufactured by Northrop Grumman Corp Electronic Systems Defensive System Div, classified under FSC 5305, Screws. Status: active.
NSN 5305-00-003-4353 has 1 manufacturer part number on file: 301614 (Northrop Grumman Corp Electronic Systems Defensive System Div).
2 possible matches (shared part number, not a government interchangeability claim): 5330-01-181-2512, 3040-01-353-4381. Verify interchangeability with system specifications before substitution.
Key specifications for 301614: Head Height: 0.105 INCHES NOMINAL IN; Fastener Length: 0.375 INCHES NOMINAL IN; Surface Treatment Document and Classification: QQ-P-416 TY 2 CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Thread Length: 0.100 INCHES MINIMUM AND 0.105 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.