The Clamp,synchro, cataloged under National Stock Number 5340-01-018-7815, 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 6 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-01-018-7815 |
| Primary Part Number | 506042-318 |
| Item Name | Clamp,synchro |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Timber Top Inc |
| Status | ACTIVE |
| Length | 0.231 INCHES MINIMUM AND 0.239 INCHES MAXIMUM IN |
| Material Document and Classification | AISI ASSN STD SINGLE MATERIAL RESPONSE |
| Height | 0.093 INCHES NOMINAL IN |
| Width | 0.169 INCHES MINIMUM AND 0.174 INCHES MAXIMUM IN |
| Material | STEEL COMP 316 |
| Furnished Items | SCREW AND LOCKNUT |
| 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 |
|---|---|
| 506042-318 PRIMARY | Timber Top Inc (USA) |
| Reference | Meaning |
|---|---|
| 04862-004 | 1/2 Source control — Government-approved source U.S. Government activity |
NSN 5340-01-018-7815 is a Clamp,synchro, manufactured by Timber Top Inc, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-018-7815 has 1 manufacturer part number on file: 506042-318 (Timber Top Inc).
1 possible match (shared part number, not a government interchangeability claim): 5340-01-172-6985. Verify interchangeability with system specifications before substitution.
Key specifications for 506042-318: Length: 0.231 INCHES MINIMUM AND 0.239 INCHES MAXIMUM IN; Material Document and Classification: AISI ASSN STD SINGLE MATERIAL RESPONSE; Height: 0.093 INCHES NOMINAL IN; Special Features: WITH NYLON LOCKING INSERT IN THD. 6 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.