The Clamp,block, cataloged under National Stock Number 5340-01-680-3168, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Stauff Corp. 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. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-01-680-3168 |
| Primary Part Number | 212.7/12.7-PP-GD-AS-U-W3 |
| Item Name | Clamp,block |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Stauff Corp |
| Status | ACTIVE |
| Mounting Hole Quantity | 11 |
| Clamping Hole Quantity | 22 |
| Block Height | 13.5 MILLIMETERS NOMINAL13.5 MILLIMETERS NOMINAL MM |
| Style Designator | RECTANGULAR |
| Clamping Hole Diameter | 12.7 MILLIMETERS NOMINAL SECOND HOLE MM |
| Clamping Hole Diameter | 212.7 MILLIMETERS NOMINAL FIRST HOLE MM |
| Features Provided | W/BOLTW/BOLT |
| Mounting Facility | UNTHREADED HOLE(S)UNTHREADED HOLE(S) |
| Material | PLASTIC |
| Center to Center Distance Between First and Second Clamping Holes | 29.0 MILLIMETERS NOMINAL MM |
| 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 |
|---|---|
| 212.7/12.7-PP-GD-AS-U-W3 PRIMARY | Stauff Corp (USA) |
NSN 5340-01-680-3168 is a Clamp,block, manufactured by Stauff Corp, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-680-3168 has 1 manufacturer part number on file: 212.7/12.7-PP-GD-AS-U-W3 (Stauff Corp).
Key specifications for 212.7/12.7-PP-GD-AS-U-W3: Mounting Hole Quantity: 11; Clamping Hole Quantity: 22; Block Height: 13.5 MILLIMETERS NOMINAL13.5 MILLIMETERS NOMINAL MM; Style Designator: RECTANGULAR. 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.