The Screw,cap,socket Head, cataloged under National Stock Number 5305-01-641-4003, 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 6 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5305-01-641-4003 |
| Primary Part Number | 2643-405-01 ITEM 88L1 |
| 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 |
|---|---|
| 2643-405-01 ITEM 88L1 | Naval Inventory Control Point Mechanicsburg (USA) |
| 264340501-88L1 | Naval Inventory Control Point Mechanicsburg (USA) |
| G547-0002-264340501-88L1 | Naval Inventory Control Point Mechanicsburg (USA) |
| 7550478-264340501-88L1 | Naval Inventory Control Point Mechanicsburg (USA) |
| 845-7285244 ITEM 88L1 | Naval Inventory Control Point Mechanicsburg (USA) |
| 0.625-11UNC-3AX1.375LG NICUALL1 | Naval Inventory Control Point Mechanicsburg (USA) |
| Reference | Meaning |
|---|---|
| 845-7285244 ITEM 88 | 5/1 Secondary reference Naval Sea Systems Command |
| 0.625-11UNC-3AX1.375LG NICUAL | 5/1 Secondary reference U.S. Government activity |
| G547-0002-264340501-88 | 5/1 Secondary reference U.S. Government activity |
| 2643-405-01 ITEM 88 | 5/1 Secondary reference U.S. Government activity |
| 264340501-88 | 5/1 Secondary reference U.S. Government activity |
| 7550478-264340501-88 | 3/1 Design control — primary reference Naval Sea Systems Command |
NSN 5305-01-641-4003 is a Screw,cap,socket Head, manufactured by Naval Inventory Control Point Mechanicsburg, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-641-4003 has 6 manufacturer part numbers on file: 2643-405-01 ITEM 88L1 (Naval Inventory Control Point Mechanicsburg), 264340501-88L1 (Naval Inventory Control Point Mechanicsburg), G547-0002-264340501-88L1 (Naval Inventory Control Point Mechanicsburg), 7550478-264340501-88L1 (Naval Inventory Control Point Mechanicsburg), 845-7285244 ITEM 88L1 (Naval Inventory Control Point Mechanicsburg) and 1 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.