The Clamp,synchro, cataloged under National Stock Number 5340-01-218-6159, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is The Boeing Company Div Defense. Government technical data includes 2 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-01-218-6159 |
| Primary Part Number | 75A603557-2001 |
| Item Name | Clamp,synchro |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| Material Document and Classification | QQ-S-763, CLASS 321 FED SPEC SINGLE MATERIAL RESPONSE |
| Material | STEEL |
| 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 |
|---|---|
| 75A603557-2001 PRIMARY | The Boeing Company Div Defense (USA) |
| Reference | Meaning |
|---|---|
| 75A603557-2001 | C/1 Advisory reference — outside the item-of-supply concept Perfection Machine and Tool Works a California Corporation Dba Perfection Machine & Tool Works |
| 75A603557-2001 | C/1 Advisory reference — outside the item-of-supply concept Pioneer Machine Products Inc. |
NSN 5340-01-218-6159 is a Clamp,synchro, manufactured by The Boeing Company Div Defense, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-218-6159 has 1 manufacturer part number on file: 75A603557-2001 (The Boeing Company Div Defense).
Key specifications for 75A603557-2001: Material Document and Classification: QQ-S-763, CLASS 321 FED SPEC SINGLE MATERIAL RESPONSE; Special Features: OVERALL HEIGHT: 0.120 IN. MINIMUM AND 0.131 IN. MAXIMUM; MOUNTING HOLE DIAMETER: 0.1120 IN. MINIMUM AND 0.1130 IN. MAXIMUM IN; Material: STEEL. 2 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.