The Clamp,instrument Mounting, cataloged under National Stock Number 5340-00-955-9665, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution. Government technical data includes 4 specifications, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5340-00-955-9665 |
| Primary Part Number | 54621 |
| Item Name | Clamp,instrument Mounting |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution |
| Status | ACTIVE |
| Surface Treatment Document and Classification | MIL-A-8625,TYPE 1 MIL SPEC SINGLE TREATMENT RESPONSE |
| Surface Treatment | ANODIZE |
| Width | 3.175 INCHES NOMINAL IN |
| Material | ALUMINUM ALLOY |
| 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 |
|---|---|
| 2513-708-98233 | Thales Las France SAS (FRA) |
| 6499-057 | Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution (USA) |
| 150-5600-002 | Safran Electrical & Power Chatou SAS (FRA) |
| 54621 PRIMARY | Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution (USA) |
| Reference | Meaning |
|---|---|
| 369A4569 | 5/9 Secondary reference Mcdonnell Douglas Helicopter Co Inc |
| 54621 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| 369A4569 | 7/2 Vendor item drawing reference The Boeing Company |
NSN 5340-00-955-9665 is a Clamp,instrument Mounting, manufactured by Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-00-955-9665 has 4 manufacturer part numbers on file: 2513-708-98233 (Thales Las France SAS), 6499-057 (Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution), 150-5600-002 (Safran Electrical & Power Chatou SAS), 54621 (Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution).
1 possible match (shared part number, not a government interchangeability claim): 4730-01-297-0182. Verify interchangeability with system specifications before substitution.
Key specifications for 54621: Surface Treatment Document and Classification: MIL-A-8625,TYPE 1 MIL SPEC SINGLE TREATMENT RESPONSE; Surface Treatment: ANODIZE; Width: 3.175 INCHES NOMINAL IN; Material: ALUMINUM ALLOY. 4 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.