The Stay,locking, cataloged under National Stock Number 5340-00-680-4376, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Electro Freeto Manufacturing Company Inc. Government technical data includes 8 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-00-680-4376 |
| Primary Part Number | 231MS025P8 |
| Item Name | Stay,locking |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Electro Freeto Manufacturing Company Inc |
| Status | ACTIVE |
| Operational Direction | LEFT-HAND |
| Style Designator | FRICTION TYPE |
| Mounting Hole Diameter | 0.312 INCHES MINIMUM AND 0.316 INCHES MAXIMUM IN |
| Offset Quantity | 1 |
| Features Provided | RETAINING LUG |
| Material Thickness | 0.115 INCHES MINIMUM AND 0.135 INCHES MAXIMUM IN |
| Surface Treatment | PASSIVATE |
| Material | STEEL CORROSION RESISTING |
| 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 |
|---|---|
| 231MS025P8 PRIMARY | Electro Freeto Manufacturing Company Inc (USA) |
| Reference | Meaning |
|---|---|
| 9167242 | 7/2 Vendor item drawing reference Us Army Aviation and Missile Command |
NSN 5340-00-680-4376 is a Stay,locking, manufactured by Electro Freeto Manufacturing Company Inc, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-00-680-4376 has 1 manufacturer part number on file: 231MS025P8 (Electro Freeto Manufacturing Company Inc).
Key specifications for 231MS025P8: Operational Direction: LEFT-HAND; Style Designator: FRICTION TYPE; Mounting Hole Diameter: 0.312 INCHES MINIMUM AND 0.316 INCHES MAXIMUM IN; Overall Length: 16.000 INCHES NOMINAL IN. 8 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.