The Catch,clamping, cataloged under National Stock Number 5340-00-220-3877, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Nielsen Hardware 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5340-00-220-3877 |
| Primary Part Number | HC255A |
| Item Name | Catch,clamping |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Nielsen Hardware Corporation |
| Status | ACTIVE |
| Design Type | LOOP ENGAGING |
| Engaging Surface Width | 0.750 INCHES NOMINAL IN |
| Style Designator | LEVER |
| Engaging Surface Thickness | 0.075 INCHES NOMINAL IN |
| Material | ALUMINUM ALLOY BASE |
| Material | ALUMINUM ALLOY LEVER |
| Material | STEEL CORROSION RESISTING LOOP |
| Hole Quantity | 2 |
| Operation Method | LEVER |
| Hole Diameter | 0.144 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 |
|---|---|
| HC255A PRIMARY | Nielsen Hardware Corporation (USA) |
| Reference | Meaning |
|---|---|
| HC255A | 3/9 Design control — primary reference U.S. Government activity |
| C5-15-5513 | 7/2 Vendor item drawing reference U.S. Government activity |
NSN 5340-00-220-3877 is a Catch,clamping, manufactured by Nielsen Hardware Corporation, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-00-220-3877 has 1 manufacturer part number on file: HC255A (Nielsen Hardware Corporation).
Key specifications for HC255A: Overall Height: 0.500 INCHES NOMINAL IN; Design Type: LOOP ENGAGING; Engaging Surface Width: 0.750 INCHES NOMINAL IN; Style Designator: LEVER. 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.