The Clamp,synchro, cataloged under National Stock Number 5340-00-008-2786, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 5340-00-008-2786 |
| Primary Part Number | 506042-318 |
| Item Name | Clamp,synchro |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Timber Top Inc |
| Status | ACTIVE |
| Length | 0.169 INCHES MINIMUM AND 0.174 INCHES MAXIMUM IN |
| Material Document and Classification | AISI ASSN STD SINGLE MATERIAL RESPONSE |
| Nominal Thread Size | 0.086 INCHES IN |
| Height | 0.093 INCHES NOMINAL IN |
| Width | 0.169 INCHES MINIMUM AND 0.174 INCHES MAXIMUM IN |
| Thread Class | 2A A |
| Material | STEEL COMP 316 |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Furnished Items | LOCKNUT |
| Hole Diameter | 0.086 INCHES NOMINAL IN |
| 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 |
|---|---|
| 1010040001 | 5/9 Secondary reference Aar Brooks and Perkins Corp Aeronetics Div |
NSN 5340-00-008-2786 is a Clamp,synchro, manufactured by Timber Top Inc, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-00-008-2786 has 1 manufacturer part number on file: 506042-318 (Timber Top Inc).
2 possible matches (shared part number, not a government interchangeability claim): 5340-01-018-7815, 5340-01-172-6985. Verify interchangeability with system specifications before substitution.
Key specifications for 506042-318: Length: 0.169 INCHES MINIMUM AND 0.174 INCHES MAXIMUM IN; Material Document and Classification: AISI ASSN STD SINGLE MATERIAL RESPONSE; Nominal Thread Size: 0.086 INCHES IN; Height: 0.093 INCHES NOMINAL 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.