The Fastener,cylinder,spring Loaded, cataloged under National Stock Number 5340-01-055-6718, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Eastern Co Div Eberhard Manufacturing. Government technical data includes 9 specifications, cited from the U.S. Government catalog. The record lists 2 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-01-055-6718 |
| Primary Part Number | 3-9674A-50 |
| Item Name | Fastener,cylinder,spring Loaded |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Eastern Co Div Eberhard Manufacturing |
| Status | ACTIVE |
| Handle Type | RING |
| Mounting Hole Quantity | 3 |
| Mounting End Type | PLATE |
| Length | 4.594 INCHES NOMINAL EFFECTIVE FREE LENGTH IN |
| Mounting Position for Which Designed | VERTICAL |
| Diameter | 0.219 INCHES NOMINAL MOUNTING HOLE IN |
| Engaging End Type | CAM |
| Antirattle Device Type | SPRING |
| Mounting Configuration | TRIANGULAR SHAPED UNEQUALLY SPACED |
| 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 |
|---|---|
| 4SK890 | Oshkosh Defense Llc (USA) |
| 3-9674A-50 PRIMARY | Eastern Co Div Eberhard Manufacturing (USA) |
| Reference | Meaning |
|---|---|
| 50307AX | 5/9 Secondary reference Oshkosh Corp |
| 4SK890 | 5/9 Secondary reference Oshkosh Corp |
NSN 5340-01-055-6718 is a Fastener,cylinder,spring Loaded, manufactured by Eastern Co Div Eberhard Manufacturing, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-055-6718 has 2 manufacturer part numbers on file: 4SK890 (Oshkosh Defense Llc), 3-9674A-50 (Eastern Co Div Eberhard Manufacturing).
Key specifications for 3-9674A-50: Handle Type: RING; Mounting Hole Quantity: 3; Mounting End Type: PLATE; Length: 4.594 INCHES NOMINAL EFFECTIVE FREE LENGTH IN. 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.