The Clamp,synchro, cataloged under National Stock Number 5340-00-129-9411, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Honeywell International Inc. Div Aerospace - Torrance. 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. 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 | 5340-00-129-9411 |
| Primary Part Number | 211-023-9003 |
| Item Name | Clamp,synchro |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Honeywell International Inc. Div Aerospace - Torrance |
| Status | ACTIVE |
| Length | 0.274 INCHES NOMINAL IN |
| Material Document and Classification | QQ-S-763 FED SPEC 1ST MATERIAL RESPONSE OR AISI ASSN STD 2ND 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 OR STEEL COMP 316 |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| 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 |
|---|---|
| 211-023-9003 PRIMARY | Honeywell International Inc. Div Aerospace - Torrance (USA) |
| 506042-325 | Timber Top Inc (USA) |
NSN 5340-00-129-9411 is a Clamp,synchro, manufactured by Honeywell International Inc. Div Aerospace - Torrance, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-00-129-9411 has 2 manufacturer part numbers on file: 211-023-9003 (Honeywell International Inc. Div Aerospace - Torrance), 506042-325 (Timber Top Inc).
1 possible match (shared part number, not a government interchangeability claim): 5340-01-358-3537. Verify interchangeability with system specifications before substitution.
Key specifications for 211-023-9003: Length: 0.274 INCHES NOMINAL IN; Material Document and Classification: QQ-S-763 FED SPEC 1ST MATERIAL RESPONSE OR AISI ASSN STD 2ND MATERIAL RESPONSE; Nominal Thread Size: 0.086 INCHES IN; Height: 0.093 INCHES NOMINAL 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.