The Setscrew, cataloged under National Stock Number 5305-00-998-8166, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Emcore Space & Navigation Corporation Div Space & Navigation. Government technical data includes 15 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-00-998-8166 |
| Primary Part Number | 1796748-15 |
| Item Name | Setscrew |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Emcore Space & Navigation Corporation Div Space & Navigation |
| Status | ACTIVE |
| Spline Minor Diameter | 0.063 INCHES MINIMUM AND 0.064 INCHES MAXIMUM IN |
| Fastener Length | 0.740 INCHES MINIMUM AND 0.760 INCHES MAXIMUM IN |
| Spline Width | 0.015 INCHES MINIMUM AND 0.016 INCHES MAXIMUM IN |
| Thread Length | 0.740 INCHES MINIMUM AND 0.760 INCHES MAXIMUM IN |
| Material Document and Classification | E-30509-1 FSCM 19315 MFR REF SINGLE MATERIAL RESPONSE OVERALL |
| Spline Major Diameter | 0.073 INCHES MINIMUM AND 0.074 INCHES MAXIMUM IN |
| Nominal Thread Diameter | 0.138 INCHES IN |
| Head Style | HEADLESS (SETSCREW) |
| Thread Direction | RIGHT-HAND |
| Point Style | FLAT |
| Internal Drive Style | SIX SPLINE |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 32 |
| Material | STEEL OVERALL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| 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 |
|---|---|
| 1796748-15 PRIMARY | Emcore Space & Navigation Corporation Div Space & Navigation (USA) |
| Reference | Meaning |
|---|---|
| 1796748-15 | 5/9 Secondary reference Honeywell Intl Inc Defense Avionics Systems Former Bendix Navigation and Control Systems |
| 1796748-15 | 5/9 Secondary reference Honeywell Intl Inc Defense Avionics Systems Former Guidance Systems Div |
NSN 5305-00-998-8166 is a Setscrew, manufactured by Emcore Space & Navigation Corporation Div Space & Navigation, classified under FSC 5305, Screws. Status: active.
NSN 5305-00-998-8166 has 1 manufacturer part number on file: 1796748-15 (Emcore Space & Navigation Corporation Div Space & Navigation).
Key specifications for 1796748-15: Spline Minor Diameter: 0.063 INCHES MINIMUM AND 0.064 INCHES MAXIMUM IN; Fastener Length: 0.740 INCHES MINIMUM AND 0.760 INCHES MAXIMUM IN; Spline Width: 0.015 INCHES MINIMUM AND 0.016 INCHES MAXIMUM IN; Thread Length: 0.740 INCHES MINIMUM AND 0.760 INCHES MAXIMUM 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.