The Screw,cap,socket Head, cataloged under National Stock Number 5305-01-352-3306, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Ramsey Winch Co. Government technical data includes 9 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 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-352-3306 |
| Primary Part Number | 414871 |
| Item Name | Screw,cap,socket Head |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Ramsey Winch Co |
| Status | ACTIVE |
| Fastener Length | 1.250 INCHES NOMINAL IN |
| Thread Length | 1.139 INCHES MINIMUM AND 1.250 INCHES MAXIMUM IN |
| Nominal Thread Diameter | 0.312 INCHES IN |
| Thread Direction | RIGHT-HAND |
| Locking Feature | STRIP THREADS |
| Internal Drive Style | HEXAGON |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 18 |
| 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 |
|---|---|
| 414871 PRIMARY | Ramsey Winch Co (USA) |
NSN 5305-01-352-3306 is a Screw,cap,socket Head, manufactured by Ramsey Winch Co, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-352-3306 has 1 manufacturer part number on file: 414871 (Ramsey Winch Co).
1 possible match (shared part number, not a government interchangeability claim): 5365-01-482-1949. Verify interchangeability with system specifications before substitution.
Key specifications for 414871: Fastener Length: 1.250 INCHES NOMINAL IN; Thread Length: 1.139 INCHES MINIMUM AND 1.250 INCHES MAXIMUM IN; Nominal Thread Diameter: 0.312 INCHES IN; Thread Direction: RIGHT-HAND. 9 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.