The Screw,machine, cataloged under National Stock Number 5305-01-043-1344, 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 5 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 12 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-043-1344 |
| Primary Part Number | GB511DU REV A |
| Item Name | Screw,machine |
| 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 |
|---|---|
| GB511DU REV A PRIMARY | Northrop Grumman Systems Corporation (USA) |
| HT193LB06-4 | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| T151-06-4 PRIMARY | Huck International, Inc (USA) |
| HT193LB06-4 | Hi-Shear Corporation (USA) |
| BM21009-06-4 | Huck International, Inc (USA) |
| Reference | Meaning |
|---|---|
| GB511DU06V4 | 7/2 Vendor item drawing reference Northrop Grumman Systems Corporation |
| HT8099-06-4 | 5/9 Secondary reference U.S. Government activity |
| GB511DU06V4 | 5/9 Secondary reference Hi-Shear Corporation |
| GB511DU06V4 | 5/9 Secondary reference Abounding Security Inc Div of Maa Corp |
| GB511DU06V4 | 5/9 Secondary reference Sps Technologies Inc |
| 67077-06-4 | 5/9 Secondary reference U.S. Government activity |
| 67077-06-4 | 5/9 Secondary reference Sps Technologies, Llc Dba PB Fasteners |
| GB511DU06V4 | 5/9 Secondary reference U.S. Government activity |
| GB511DU06V4 | 5/9 Secondary reference Sps Technologies Llc Dba PB Fasteners Div PB Fasteners |
| BM21009-06-4 | 5/9 Secondary reference U.S. Government activity |
| GB511DU06V4 | 5/9 Secondary reference Berkshire Technologies, Inc. |
| T151-06-4 | 5/9 Secondary reference U.S. Government activity |
NSN 5305-01-043-1344 is a Screw,machine, manufactured by Northrop Grumman Systems Corporation, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-043-1344 has 5 manufacturer part numbers on file: GB511DU REV A (Northrop Grumman Systems Corporation), HT193LB06-4 (Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc), T151-06-4 (Huck International, Inc), HT193LB06-4 (Hi-Shear Corporation), BM21009-06-4 (Huck International, Inc).
Key specifications for GB511DU REV A: Part Name Assigned by Controlling Agency: NAVY SPECIAL PROJECT. 0 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.