The Screw,cap,socket Head, cataloged under National Stock Number 5305-01-641-1689, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Naval Inventory Control Point Mechanicsburg. The record lists 13 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 23 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Screw,cap,socket Head |
| FSC / FSG | 5305 — Screws (FSG 53) |
| Manufacturers | Naval Inventory Control Point Mechanicsburg (CAGE 03950) |
| Parameter | Value |
|---|---|
| NSN | 5305-01-641-1689 |
| Primary Part Number | 801-6408786 FIND 027L1 |
| Item Name | Screw,cap,socket Head |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Naval Inventory Control Point Mechanicsburg |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | S |
| Part Number | Manufacturer |
|---|---|
| 801-6408786 FIND 027L1 | Naval Inventory Control Point Mechanicsburg (USA) |
| CD-023-03-27L1 | Naval Inventory Control Point Mechanicsburg (USA) |
| DF330646 FIND 027L1 | Naval Inventory Control Point Mechanicsburg (USA) |
| CD-023-05-27L1 | Naval Inventory Control Point Mechanicsburg (USA) |
| 211060841L1 | Naval Inventory Control Point Mechanicsburg (USA) |
| 0.375-16UNRC-3AX1.000LGSTLL1 | Naval Inventory Control Point Mechanicsburg (USA) |
| CD-023-01-27L1 | Naval Inventory Control Point Mechanicsburg (USA) |
| DF330646 FIND 73L1 | Naval Inventory Control Point Mechanicsburg (USA) |
| 801-6408786 FIND 27L1 | Naval Inventory Control Point Mechanicsburg (USA) |
| 801-6408786 FIND 73L1 | Naval Inventory Control Point Mechanicsburg (USA) |
| CD-023-11-27L1 | Naval Inventory Control Point Mechanicsburg (USA) |
| CD-023-10-73L1 | Naval Inventory Control Point Mechanicsburg (USA) |
| DF330646 FIND 27L1 | Naval Inventory Control Point Mechanicsburg (USA) |
| Reference | Meaning |
|---|---|
| 3/8-16UNRC-3A X 1 INCHL1 | 5/1 Secondary reference Naval Inventory Control Point Mechanicsburg |
| CD-023-11-27 | 5/1 Secondary reference Naval Sea Systems Command |
| MIL-DTL-1222 TYPE II SELF-LOCKL1 | 5/1 Secondary reference Naval Inventory Control Point Mechanicsburg |
| ASTM-A574, GRADE A574L1 | 5/1 Secondary reference Naval Inventory Control Point Mechanicsburg |
| MILDTL1222TYII,3/8-16UNRC3AX1L1 | 5/9 Secondary reference Naval Inventory Control Point Mechanicsburg |
| CD-023-01-27 | 5/1 Secondary reference Naval Sea Systems Command |
| DF330646 FIND 027 | 5/1 Secondary reference Huntington Ingalls Inc Div Newport News Shipbuilding |
| MIL-DTL-1222 TYPE II SELF-LOCK | 5/1 Secondary reference U.S. Government activity |
| ASTM-A574, GRADE A574 | 5/1 Secondary reference U.S. Government activity |
| 211060841 | 5/1 Secondary reference Huntington Ingalls Inc Div Newport News Shipbuilding |
| 3/8-16UNRC-3A X 1 INCH | 5/1 Secondary reference U.S. Government activity |
| M1222TYII3/8-16UNRC-3AX1 A574 | 5/1 Secondary reference U.S. Government activity |
| 0.375-16UNRC-3AX1.000LGSTL | 4/1 Identification reference U.S. Government activity |
| 801-6408786 FIND 27 | 3/1 Design control — primary reference Naval Sea Systems Command |
| DF330646 FIND 73 | 5/1 Secondary reference Huntington Ingalls Inc Div Newport News Shipbuilding |
| 211060841 | 5/1 Secondary reference U.S. Government activity |
| 801-6408786 FIND 73 | 5/1 Secondary reference Naval Sea Systems Command |
| CD-023-03-27 | 5/1 Secondary reference Naval Sea Systems Command |
| MILDTL1222,TYII,3/8-16UNRC-3AX1 | 5/9 Secondary reference U.S. Government activity |
| CD-023-05-27 | 5/1 Secondary reference Naval Sea Systems Command |
NSN 5305-01-641-1689 is a Screw,cap,socket Head, manufactured by Naval Inventory Control Point Mechanicsburg, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-641-1689 has 13 manufacturer part numbers on file: 801-6408786 FIND 027L1 (Naval Inventory Control Point Mechanicsburg), CD-023-03-27L1 (Naval Inventory Control Point Mechanicsburg), DF330646 FIND 027L1 (Naval Inventory Control Point Mechanicsburg), CD-023-05-27L1 (Naval Inventory Control Point Mechanicsburg), 211060841L1 (Naval Inventory Control Point Mechanicsburg) and 8 more.
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.