The Screw,close Tolerance, cataloged under National Stock Number 5305-01-536-0393, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Northrop Grumman Systems Corporation. The record lists 6 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Screw,close Tolerance |
| FSC / FSG | 5305 — Screws (FSG 53) |
| Manufacturers | Howmet Global Fastening Systems Inc (CAGE 06950); Northrop Grumman Systems Corporation (CAGE 26512); Mra Systems, Llc (CAGE 1B6R3); Hi-Shear Corporation (CAGE 73197); Ge Engine Services Distribution, L.l.c. (CAGE 062W0) |
| Parameter | Value |
|---|---|
| NSN | 5305-01-536-0393 |
| Primary Part Number | GB511DU3C22D |
| Item Name | Screw,close Tolerance |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Northrop Grumman Systems Corporation |
| Status | ACTIVE |
| 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 |
|---|---|
| GB511DU3C22D | Howmet Global Fastening Systems Inc (USA) |
| GB511DU3C22D PRIMARY | Northrop Grumman Systems Corporation (USA) |
| GB511DU3C22D PRIMARY | Mra Systems, Llc (USA) |
| GB511DU3C22D | Hi-Shear Corporation (USA) |
| GB511DU3C22D | Ge Engine Services Distribution, L.l.c. (USA) |
| GB511DU3C22D | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| Reference | Meaning |
|---|---|
| GB511DU3C22D | 5/2 Secondary reference U.S. Government activity |
| GB511DU3C22D | 5/9 Secondary reference General Electric Company |
NSN 5305-01-536-0393 is a Screw,close Tolerance, manufactured by Northrop Grumman Systems Corporation, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-536-0393 has 6 manufacturer part numbers on file: GB511DU3C22D (Howmet Global Fastening Systems Inc), GB511DU3C22D (Northrop Grumman Systems Corporation), GB511DU3C22D (Mra Systems, Llc), GB511DU3C22D (Hi-Shear Corporation), GB511DU3C22D (Ge Engine Services Distribution, L.l.c.) 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.