The Clip,spring Tension, cataloged under National Stock Number 5340-00-342-1389, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Northrop Grumman Systems Corporation. Government technical data includes 10 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5340-00-342-1389 |
| Primary Part Number | 45C310-3 |
| Item Name | Clip,spring Tension |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Northrop Grumman Systems Corporation |
| Status | ACTIVE |
| Length | 0.500 INCHES NOMINAL IN |
| Material Document and Classification | MIL-S-8559,COND C MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Loop/holding Dimension | 0.500 INCHES NOMINAL IN |
| Features Provided | CUSHION |
| Material Thickness | 0.028 INCHES NOMINAL IN |
| Distance From Loop Center to End | 0.430 INCHES NOMINAL IN |
| Surface Treatment | RUBBER CHLOROPRENE CLASS CR OVERALL |
| Width | 0.500 INCHES NOMINAL IN |
| Material | STEEL COMP 1095 OVERALL |
| Hole Diameter | 0.197 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 |
|---|---|
| 45C310-3 PRIMARY | Northrop Grumman Systems Corporation (USA) |
| Reference | Meaning |
|---|---|
| 45C310-3 | 5/9 Secondary reference Northrop Grumman Technical Services, Inc. Dba Defense Systems Sector |
| 45C310-3 | 3/9 Design control — primary reference Northrop Grumman Systems Corporation Dba Northrop Grumman Is Div Northrop Grumman Aeronautics Systems |
NSN 5340-00-342-1389 is a Clip,spring Tension, manufactured by Northrop Grumman Systems Corporation, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-00-342-1389 has 1 manufacturer part number on file: 45C310-3 (Northrop Grumman Systems Corporation).
Key specifications for 45C310-3: Overall Height: 0.796 INCHES NOMINAL IN; Length: 0.500 INCHES NOMINAL IN; Material Document and Classification: MIL-S-8559,COND C MIL SPEC SINGLE MATERIAL RESPONSE OVERALL; Loop/holding Dimension: 0.500 INCHES NOMINAL IN. 10 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.