The Clamp,block, cataloged under National Stock Number 5340-01-527-3498, 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 6 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.
| Parameter | Value |
|---|---|
| NSN | 5340-01-527-3498 |
| Primary Part Number | HRES-3S1-28-PP-UNC |
| Item Name | Clamp,block |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Hydac Corp |
| Status | ACTIVE |
| Style Designator | RECTANGULAR |
| Center to Center Distance Between First and Third Mounting Holes | 85.0 MILLIMETERS NOMINAL85.0 MILLIMETERS NOMINAL MM |
| Clamping Hole Diameter | 39.0 MILLIMETERS NOMINAL FIRST HOLE MM |
| Distance From Center of Mounting Hole to Edge Along the Width | 37.0 MILLIMETERS NOMINAL37.0 MILLIMETERS NOMINAL MM |
| Center to Center Distance Between First and Second Mounting Holes | 42.5 MILLIMETERS NOMINAL42.5 MILLIMETERS NOMINAL MM |
| Material | PLASTIC POLYPROPYLENE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| HRES-3S1-28-PP-UNC PRIMARY | Hydac Corp (USA) |
NSN 5340-01-527-3498 is a Clamp,block, manufactured by Hydac Corp, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-527-3498 has 1 manufacturer part number on file: HRES-3S1-28-PP-UNC (Hydac Corp).
Key specifications for HRES-3S1-28-PP-UNC: Overall Height: 74.0 MILLIMETERS NOMINAL74.0 MILLIMETERS NOMINAL MM; Style Designator: RECTANGULAR; Overall Length: 100.0 MILLIMETERS NOMINAL100.0 MILLIMETERS NOMINAL MM; Center to Center Distance Between First and Third Mounting Holes: 85.0 MILLIMETERS NOMINAL85.0 MILLIMETERS NOMINAL MM. 6 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.