The Screw,cap,socket Head, cataloged under National Stock Number 5305-00-898-6903, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Triumph Engine Control Systems Llc. Government technical data includes 17 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-00-898-6903 |
| Primary Part Number | 74168 |
| Item Name | Screw,cap,socket Head |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Triumph Engine Control Systems Llc |
| Status | ACTIVE |
| Head Height | 0.081 INCHES MINIMUM AND 0.088 INCHES MAXIMUM IN |
| Fastener Length | 0.219 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN |
| Thread Length | 0.219 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN |
| Hole Configuration Style | ROUND |
| Material Document and Classification | 66 FED STD ALL MATERIAL RESPONSES OVERALL |
| Nominal Thread Diameter | 0.125 INCHES IN |
| Head Style | FILLISTER |
| Thread Direction | RIGHT-HAND |
| Locking Feature | PELLET THREADS |
| Surface Treatment | PASSIVATE OVERALL |
| Internal Drive Style | SLOT |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 40 |
| Material | STEEL COMP 302 OR STEEL COMP 303SE OR STEEL COMP 304 OR STEEL COMP 316 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Hole Diameter | 0.046 INCHES NOMINAL IN |
| Head Diameter | 0.187 INCHES MINIMUM AND 0.205 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 |
|---|---|
| 74168 PRIMARY | Triumph Engine Control Systems Llc (USA) |
| 74168 | Goodrich Control Systems Gmbh (DEU) |
| NK500AD5-4 | Nylok Llc (USA) |
NSN 5305-00-898-6903 is a Screw,cap,socket Head, manufactured by Triumph Engine Control Systems Llc, classified under FSC 5305, Screws. Status: active.
NSN 5305-00-898-6903 has 3 manufacturer part numbers on file: 74168 (Triumph Engine Control Systems Llc), 74168 (Goodrich Control Systems Gmbh), NK500AD5-4 (Nylok Llc).
Key specifications for 74168: Head Height: 0.081 INCHES MINIMUM AND 0.088 INCHES MAXIMUM IN; Fastener Length: 0.219 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN; Thread Length: 0.219 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN; Hole Configuration Style: ROUND. 17 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.