The Latch,thumb, cataloged under National Stock Number 5340-01-351-3340, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Southco Fasteners Pty Ltd 3 Aviation Place. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-01-351-3340 |
| Primary Part Number | 37-20-071-20 |
| Item Name | Latch,thumb |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Southco Fasteners Pty Ltd 3 Aviation Place |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Unit of Issue | EA |
| Part Number | Manufacturer |
|---|---|
| 37-20-071-20 | Southco Fasteners Pty Ltd 3 Aviation Place (AUS) |
| 193350 | Bla Distribution Aus Holdco Pty Ltd (AUS) |
| Reference | Meaning |
|---|---|
| 10300366 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
| 193350 | 5/9 Secondary reference Bob Littler Agencies Pty Ltd |
| 37-20-071-20 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5340-01-351-3340 is a Latch,thumb, manufactured by Southco Fasteners Pty Ltd 3 Aviation Place, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-351-3340 has 2 manufacturer part numbers on file: 37-20-071-20 (Southco Fasteners Pty Ltd 3 Aviation Place), 193350 (Bla Distribution Aus Holdco Pty Ltd).
Key specifications for 37-20-071-20: Special Features: DOOR/GATE MAX.THK.FOR WHICH DESIGNED:ANY ACCEPTABLE;GRIP HANDLE OVERALL LENGTH:1.875 IN.NOM;GRIP HANDLE PLATE:NOT PROVIDED;LATCH BAR OVERALL LENGTH:2.937 IN.NOM;MATERIAL:RUBBER AND STEEL CORROSION RESISTING;SURFACE TREATMENT:PASSIVATED OR DACROTIZED; IN. 0 specifications are documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). 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.