The Clamp,synchro, cataloged under National Stock Number 5340-01-399-5467, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Timber Top Inc. Government technical data includes 10 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5340-01-399-5467 |
| Primary Part Number | 212052-431 |
| Item Name | Clamp,synchro |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Timber Top Inc |
| Status | ACTIVE |
| Supplementary Features | SCREW HEAD STYLE, SOCKET CAP; SCREW LG 0.31 IN. IN |
| Style Designator | CLEAT |
| Outside Diameter | 0.260 INCHES MINIMUM AND 0.265 INCHES MAXIMUM IN |
| Nominal Thread Size | 0.086 INCHES IN |
| Effective Height | 0.125 INCHES NOMINAL IN |
| Height | 0.165 INCHES NOMINAL IN |
| Distance From Hole Center to End | 0.091 INCHES NOMINAL IN |
| Material | STEEL COMP 1012 OR PLASTIC POLYHEXAMETHYLENE AMIDE |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Furnished Items | SCREW |
| 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 |
|---|---|
| 212052-431 PRIMARY | Timber Top Inc (USA) |
| Reference | Meaning |
|---|---|
| 365-134-0035-31 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5340-01-399-5467 is a Clamp,synchro, manufactured by Timber Top Inc, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-399-5467 has 1 manufacturer part number on file: 212052-431 (Timber Top Inc).
Key specifications for 212052-431: Supplementary Features: SCREW HEAD STYLE, SOCKET CAP; SCREW LG 0.31 IN. IN; Style Designator: CLEAT; Outside Diameter: 0.260 INCHES MINIMUM AND 0.265 INCHES MAXIMUM IN; Nominal Thread Size: 0.086 INCHES IN. 10 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.