The Clip,spring Tension, cataloged under National Stock Number 5340-00-808-4042, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Umpco, Inc. Dba Umpco Inc. Government technical data includes 8 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5340-00-808-4042 |
| Primary Part Number | S189-9 |
| Item Name | Clip,spring Tension |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Umpco, Inc. Dba Umpco Inc |
| Status | ACTIVE |
| Length | 0.380 INCHES NOMINAL IN |
| Loop/holding Dimension | 0.320 INCHES NOMINAL IN |
| Material Thickness | 0.0250 INCHES NOMINAL IN |
| Distance From Loop Center to End | 0.310 INCHES NOMINAL IN |
| Surface Treatment | CADMIUM OVERALL |
| Width | 0.380 INCHES NOMINAL IN |
| Material | STEEL OVERALL |
| Hole Diameter | 0.140 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 |
NSN 5340-00-808-4042 is a Clip,spring Tension, manufactured by Umpco, Inc. Dba Umpco Inc, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-00-808-4042 has 2 manufacturer part numbers on file: S189-9 (Umpco, Inc. Dba Umpco Inc), RCS0014-9 (Renton Coil Spring Company).
1 possible match (shared part number, not a government interchangeability claim): 5915-00-930-4442. Verify interchangeability with system specifications before substitution.
Key specifications for S189-9: Overall Height: 0.500 INCHES NOMINAL IN; Length: 0.380 INCHES NOMINAL IN; Loop/holding Dimension: 0.320 INCHES NOMINAL IN; Material Thickness: 0.0250 INCHES NOMINAL IN. 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.