The Plunger,quick Release, cataloged under National Stock Number 5340-01-398-4011, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is General Dynamics Land Systems Canadacorp. Government technical data includes 9 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5340-01-398-4011 |
| Primary Part Number | 10638277 |
| Item Name | Plunger,quick Release |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | General Dynamics Land Systems Canadacorp |
| Status | ACTIVE |
| Mounting Facility Diameter | 9.2 MILLIMETERS NOMINAL MM |
| Overall Diameter | 6.4 MILLIMETERS NOMINAL MM |
| Thread Length | 7.0 MILLIMETERS NOMINAL MM |
| Shape | OVAL |
| Surface Treatment | PASSIVATE SPRING |
| Surface Treatment | CHROMATE ZINC SLEEVE |
| Material | STEEL CORROSION RESISTING SPRING |
| Material | STEEL SLEEVE |
| Material | STEEL COMP 1064 WASHER |
| 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 |
|---|---|
| 10638277 | General Dynamics Land Systems Canadacorp (CAN) |
| Reference | Meaning |
|---|---|
| 1390-0760 | 5/9 Secondary reference Hewlett-Packard Company Dba HP |
| 1390-0760 | 5/9 Secondary reference Keysight Technologies, Inc. |
| 56-99-197-20 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5340-01-398-4011 is a Plunger,quick Release, manufactured by General Dynamics Land Systems Canadacorp, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-398-4011 has 1 manufacturer part number on file: 10638277 (General Dynamics Land Systems Canadacorp).
Key specifications for 10638277: Mounting Facility Diameter: 9.2 MILLIMETERS NOMINAL MM; Overall Diameter: 6.4 MILLIMETERS NOMINAL MM; Thread Length: 7.0 MILLIMETERS NOMINAL MM; Shape: OVAL. 9 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.