The Clamp,synchro, cataloged under National Stock Number 5340-00-943-2118, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Bae Systems Information and Electronic Systems Integration Inc. Div Bae Systems Information & Electronic Systems Integration 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 5340-00-943-2118 |
| Primary Part Number | 559997-225 |
| Item Name | Clamp,synchro |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Bae Systems Information and Electronic Systems Integration Inc. Div Bae Systems Information & Electronic Systems Integration Inc |
| Status | ACTIVE |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE |
| Height | 0.281 INCHES NOMINAL IN |
| Surface Treatment | PASSIVATE |
| Width | 0.410 INCHES MINIMUM AND 0.470 INCHES MAXIMUM IN |
| Furnished Items | LOCKNUT |
| Hole Diameter | 0.182 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 |
|---|---|
| 559997-225 | Bae Systems Information and Electronic Systems Integration Inc. Div Bae Systems Information & Electronic Systems Integration Inc (USA) |
| Reference | Meaning |
|---|---|
| 1862-1 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
| 1862-1 | 3/2 Design control — primary reference U.S. Government activity |
| 109365-2 | 7/2 Vendor item drawing reference Raytheon Company |
NSN 5340-00-943-2118 is a Clamp,synchro, manufactured by Bae Systems Information and Electronic Systems Integration Inc. Div Bae Systems Information & Electronic Systems Integration Inc, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-00-943-2118 has 1 manufacturer part number on file: 559997-225 (Bae Systems Information and Electronic Systems Integration Inc. Div Bae Systems Information & Electronic Systems Integration Inc).
2 possible matches (shared part number, not a government interchangeability claim): 5330-01-076-9857, 6125-01-096-7467. Verify interchangeability with system specifications before substitution.
Key specifications for 559997-225: Surface Treatment Document and Classification: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE; Height: 0.281 INCHES NOMINAL IN; Special Features: TWO MTG HOLES SPACED 0.562 IN. APART ON CENTERLINE; MATERIAL 0.125 IN. THK STOCK; LOCK LEG ARC SHAPED; HEAT TREAT TO 125000 PSI,MIL-H-6875; USED AS CHASSIS HOLD DOWN IN; Surface Treatment: PASSIVATE. 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.