The Clamp,synchro, cataloged under National Stock Number 5340-00-133-1981, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier. Government technical data includes 8 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 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 | 5340-00-133-1981 |
| Primary Part Number | 2596118 |
| Item Name | Clamp,synchro |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier |
| Status | ACTIVE |
| Length | 0.250 INCHES NOMINAL IN |
| Material Document and Classification | QQ-S-766,COND A FED SPEC ALL MATERIAL RESPONSES OR QQ-B-613,ALLOY 268,260,OR 230,1/2 HARD FED SPEC ALL MATERIAL RESPONSES |
| Height | 0.122 INCHES NOMINAL IN |
| Surface Treatment | PASSIVATE |
| Width | 0.200 INCHES NOMINAL IN |
| Material | STEEL COMP 302 OR COPPER ALLOY 268 OR COPPER ALLOY 260 OR COPPER ALLOY 230 |
| Furnished Items | LOCKNUT |
| Hole Diameter | 0.113 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 |
|---|---|
| 2596118 PRIMARY | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA) |
NSN 5340-00-133-1981 is a Clamp,synchro, manufactured by Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-00-133-1981 has 1 manufacturer part number on file: 2596118 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier).
1 possible match (shared part number, not a government interchangeability claim): 5905-00-965-9280. Verify interchangeability with system specifications before substitution.
Key specifications for 2596118: Length: 0.250 INCHES NOMINAL IN; Material Document and Classification: QQ-S-766,COND A FED SPEC ALL MATERIAL RESPONSES OR QQ-B-613,ALLOY 268,260,OR 230,1/2 HARD FED SPEC ALL MATERIAL RESPONSES; Height: 0.122 INCHES NOMINAL IN; Surface Treatment: PASSIVATE. 8 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.