The Clip,spring Tension, cataloged under National Stock Number 5340-00-879-6844, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Lockheed Martin Corporation Dba Lockheed Martin Aerostructures Div Advanced Technology Laboratories. Government technical data includes 10 specifications, cited from the U.S. Government catalog. The record lists 3 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-00-879-6844 |
| Primary Part Number | 8990256-123REVB |
| Item Name | Clip,spring Tension |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Lockheed Martin Corporation Dba Lockheed Martin Aerostructures Div Advanced Technology Laboratories |
| Status | ACTIVE |
| Length | 0.593 INCHES NOMINAL IN |
| Material Document and Classification | SAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Loop/holding Dimension | 0.562 INCHES NOMINAL IN |
| Material Thickness | 0.012 INCHES NOMINAL IN |
| Specification/standard Data | 26512-GC842E29 MANUFACTURERS SPECIFICATION |
| Distance From Loop Center to End | 0.296 INCHES NOMINAL IN |
| Surface Treatment | CADMIUM OVERALL |
| Width | 0.687 INCHES NOMINAL IN |
| Material | STEEL COMP 1065 OVERALL |
| Hole Diameter | 0.128 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 |
|---|---|
| 8990256-123REVB | Lockheed Martin Corporation Div Rms (USA) |
| 8990256-123REVB PRIMARY | Lockheed Martin Corporation Dba Lockheed Martin Aerostructures Div Advanced Technology Laboratories (USA) |
| 6012-11A PRIMARY | Te Connectivity Corporation (USA) |
| Reference | Meaning |
|---|---|
| 6012-11A | 5/9 Secondary reference U.S. Government activity |
| 8990256-123REVB | 5/9 Secondary reference Lockheed Martin Corporation Dba Lockheed Martin Div Lockheed Martin |
| GC842E29 | 7/2 Vendor item drawing reference Northrop Grumman Systems Corporation |
NSN 5340-00-879-6844 is a Clip,spring Tension, manufactured by Lockheed Martin Corporation Dba Lockheed Martin Aerostructures Div Advanced Technology Laboratories, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-00-879-6844 has 3 manufacturer part numbers on file: 8990256-123REVB (Lockheed Martin Corporation Div Rms), 8990256-123REVB (Lockheed Martin Corporation Dba Lockheed Martin Aerostructures Div Advanced Technology Laboratories), 6012-11A (Te Connectivity Corporation).
Key specifications for 8990256-123REVB: Overall Height: 0.680 INCHES NOMINAL IN; Length: 0.593 INCHES NOMINAL IN; Material Document and Classification: SAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Loop/holding Dimension: 0.562 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.