The Screw,externally Relieved Body, cataloged under National Stock Number 5305-01-491-2100, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Naval Sea Systems Command. This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.
| Item Name | Screw,externally Relieved Body |
| FSC / FSG | 5305 — No Item Name Available (FSG 53) |
| Manufacturers | Unimasco Inc (CAGE 90699); Naval Sea Systems Command (CAGE 53711) |
| Parameter | Value |
|---|---|
| NSN | 5305-01-491-2100 |
| Primary Part Number | 845-4687407 PC 243 |
| Item Name | Screw,externally Relieved Body |
| FSC / FSG | 5305 / 53 — No Item Name Available |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 2641-792-03 PC 243 | Unimasco Inc (USA) |
| 845-4687407 PC 243 PRIMARY | Naval Sea Systems Command (USA) |
NSN 5305-01-491-2100 is a Screw,externally Relieved Body, manufactured by Naval Sea Systems Command, classified under FSC 5305 (No Item Name Available). Status: active.
NSN 5305-01-491-2100 has 2 cross-referenced part numbers: 2641-792-03 PC 243 (Unimasco Inc), 845-4687407 PC 243 (Naval Sea Systems Command).
There is 1 known substitute for 5305-01-491-2100: 5305-01-671-4578. Verify interchangeability with system specifications before substitution.