The Clip,spring Tension, cataloged under National Stock Number 5340-01-270-5506, 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 11 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. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-01-270-5506 |
| Primary Part Number | S568-1 |
| Item Name | Clip,spring Tension |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Umpco, Inc. Dba Umpco Inc |
| Status | ACTIVE |
| Length | 1.570 INCHES MINIMUM AND 1.690 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | MIL-P-20689,TYPE 1,CLASS 2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Mounting Method | UNTHREADED HOLE(S) |
| Material Document and Classification | ASTM A682 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Loop/holding Dimension | 1.410 INCHES NOMINAL IN |
| Material Thickness | 0.063 INCHES NOMINAL IN |
| Distance From Loop Center to End | 1.020 INCHES NOMINAL IN |
| Surface Treatment | PLASTIC OVERALL |
| Width | 0.625 INCHES NOMINAL IN |
| Material | STEEL COMP 1095 OVERALL |
| Hole Diameter | 0.204 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 |
|---|---|
| S568-1 PRIMARY | Umpco, Inc. Dba Umpco Inc (USA) |
NSN 5340-01-270-5506 is a Clip,spring Tension, manufactured by Umpco, Inc. Dba Umpco Inc, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-270-5506 has 1 manufacturer part number on file: S568-1 (Umpco, Inc. Dba Umpco Inc).
Key specifications for S568-1: Overall Height: 1.880 INCHES MAXIMUM IN; Length: 1.570 INCHES MINIMUM AND 1.690 INCHES MAXIMUM IN; Surface Treatment Document and Classification: MIL-P-20689,TYPE 1,CLASS 2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL; Mounting Method: UNTHREADED HOLE(S). 11 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.