The Screw,externally Relieved Body, cataloged under National Stock Number 5305-01-433-0595, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Ofer Motor Co. Ltd. Government technical data includes 18 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-433-0595 |
| Primary Part Number | 40161089 |
| Item Name | Screw,externally Relieved Body |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Ofer Motor Co. Ltd |
| Status | ACTIVE |
| Head Height | 4.0 MILLIMETERS NOMINAL MM |
| Fastener Length | 20.0 MILLIMETERS NOMINAL MM |
| Surface Treatment Document and Classification | MIL-C-13924B,CL III FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Length | 6.0 MILLIMETERS NOMINAL MM |
| Material Document and Classification | FED STD 66 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| First Diameter From Head | 3.0 MILLIMETERS NOMINAL MM |
| Nominal Thread Diameter | 0.164 INCHES IN |
| Head Style | FLAT FILLISTER |
| Thread Direction | RIGHT-HAND |
| Distance From Largest Bearing Surface of Head to End of First Diameter | 14.0 MILLIMETERS NOMINAL MM |
| Color | BLACK OVERALL |
| Surface Treatment | OXIDE OVERALL |
| Internal Drive Style | HEXAGON |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 32 |
| Material | STEEL OVERALL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Head Diameter | 7.0 MILLIMETERS NOMINAL MM |
| 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 |
|---|---|
| 40161089 PRIMARY | Ofer Motor Co. Ltd (ISR) |
| Reference | Meaning |
|---|---|
| 40161089 | 3/9 Design control — primary reference Israel Aircraft Industries Ltdtamam Precision Instruments Dba Tamam Div Tamam Division |
NSN 5305-01-433-0595 is a Screw,externally Relieved Body, manufactured by Ofer Motor Co. Ltd, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-433-0595 has 1 manufacturer part number on file: 40161089 (Ofer Motor Co. Ltd).
Key specifications for 40161089: Head Height: 4.0 MILLIMETERS NOMINAL MM; Fastener Length: 20.0 MILLIMETERS NOMINAL MM; Surface Treatment Document and Classification: MIL-C-13924B,CL III FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Thread Length: 6.0 MILLIMETERS NOMINAL MM. 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.