The Setscrew, cataloged under National Stock Number 5305-01-661-9864, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Elkhart Brass Manufacturing Company, Llc Div Elkhart Brass Manufacturing Company. Government technical data includes 11 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5305-01-661-9864 |
| Primary Part Number | 63677000 |
| Item Name | Setscrew |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Elkhart Brass Manufacturing Company, Llc Div Elkhart Brass Manufacturing Company |
| Status | ACTIVE |
| Width Across Flats | 0.125 INCHES NOMINAL IN |
| Fastener Length | 0.375 INCHES NOMINAL IN |
| Thread Length | 0.375 INCHES NOMINAL IN |
| Nominal Thread Diameter | 0.25 INCHES IN |
| Head Style | HEADLESS (SETSCREW) |
| Thread Direction | RIGHT-HAND |
| Internal Drive Style | HEXAGON |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 20 |
| Material | STEEL CORROSION RESISTING 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 |
|---|---|
| 63677000 PRIMARY | Elkhart Brass Manufacturing Company, Llc Div Elkhart Brass Manufacturing Company (USA) |
| Reference | Meaning |
|---|---|
| 4122396 | 7/2 Vendor item drawing reference Oshkosh Defense Llc |
NSN 5305-01-661-9864 is a Setscrew, manufactured by Elkhart Brass Manufacturing Company, Llc Div Elkhart Brass Manufacturing Company, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-661-9864 has 1 manufacturer part number on file: 63677000 (Elkhart Brass Manufacturing Company, Llc Div Elkhart Brass Manufacturing Company).
Key specifications for 63677000: Width Across Flats: 0.125 INCHES NOMINAL IN; Fastener Length: 0.375 INCHES NOMINAL IN; Thread Length: 0.375 INCHES NOMINAL IN; Nominal Thread Diameter: 0.25 INCHES IN. 11 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.