The Clamp,block, cataloged under National Stock Number 5340-01-665-3225, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Hydac Corp. Government technical data includes 3 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 | 5340-01-665-3225 |
| Primary Part Number | HRL1A19.5ALUNC |
| Item Name | Clamp,block |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Hydac Corp |
| Status | ACTIVE |
| Style Designator | RECTANGULAR |
| Clamping Hole Diameter | 0.375 INCHES NOMINAL ALL HOLES IN |
| Material | ALUMINUM |
| 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 |
|---|---|
| HRL1A19.5ALUNC PRIMARY | Hydac Corp (USA) |
NSN 5340-01-665-3225 is a Clamp,block, manufactured by Hydac Corp, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-665-3225 has 1 manufacturer part number on file: HRL1A19.5ALUNC (Hydac Corp).
Key specifications for HRL1A19.5ALUNC: Overall Height: 1.26 INCHES NOMINAL1.26 INCHES NOMINAL IN; Style Designator: RECTANGULAR; Overall Length: 1.34 INCHES NOMINAL1.34 INCHES NOMINAL IN; Overall Width: 1.18 INCHES NOMINAL1.18 INCHES NOMINAL IN. 3 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.