The Setscrew, cataloged under National Stock Number 5305-00-405-5489, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Product Components Corporation. Government technical data includes 12 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 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 | 5305-00-405-5489 |
| Primary Part Number | 4-40 X 1-8 |
| Item Name | Setscrew |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Product Components Corporation |
| Status | ACTIVE |
| Fastener Length | 0.120 INCHES MINIMUM AND 0.130 INCHES MAXIMUM IN |
| Thread Length | 0.120 INCHES MINIMUM AND 0.130 INCHES MAXIMUM IN |
| Material Document and Classification | MIL-M-20693,COMP A,TY 1 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.112 INCHES IN |
| Head Style | HEADLESS (SETSCREW) |
| Thread Direction | RIGHT-HAND |
| Point Style | OVAL |
| Internal Drive Style | SLOT |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 40 |
| Material | PLASTIC POLYHEXAMETHYLENE AMIDE 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 |
|---|---|
| 4-40 X 1-8 PRIMARY | Product Components Corporation (USA) |
NSN 5305-00-405-5489 is a Setscrew, manufactured by Product Components Corporation, classified under FSC 5305, Screws. Status: active.
NSN 5305-00-405-5489 has 1 manufacturer part number on file: 4-40 X 1-8 (Product Components Corporation).
2 possible matches (shared part number, not a government interchangeability claim): 5305-00-835-4725, 5305-01-234-5219. Verify interchangeability with system specifications before substitution.
Key specifications for 4-40 X 1-8: Fastener Length: 0.120 INCHES MINIMUM AND 0.130 INCHES MAXIMUM IN; Thread Length: 0.120 INCHES MINIMUM AND 0.130 INCHES MAXIMUM IN; Material Document and Classification: MIL-M-20693,COMP A,TY 1 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL; Nominal Thread Diameter: 0.112 INCHES IN. 12 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.