The Clamp,block, cataloged under National Stock Number 5340-01-726-2640, 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 14 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5340-01-726-2640 |
| Primary Part Number | 325.4/16-PA |
| Item Name | Clamp,block |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Stauff Corp |
| Status | ACTIVE |
| Mounting Hole Quantity | 11 |
| Clamping Hole Quantity | 22 |
| Distance From End to First Clamping Hole Center | 15.5 MILLIMETERS NOMINAL MM |
| Block Height | 18.5 MILLIMETERS NOMINAL18.5 MILLIMETERS NOMINAL MM |
| Style Designator | RECTANGULAR |
| Material Document and Classification | ISO 527 INTERNATIONAL STD/SPEC SINGLE MATERIAL RESPONSE |
| Mounting Hole Diameter | 8.5 MILLIMETERS NOMINAL8.5 MILLIMETERS NOMINAL MM |
| Clamping Hole Diameter | 16.0 MILLIMETERS NOMINAL SECOND HOLE MM |
| Clamping Hole Diameter | 25.6 MILLIMETERS NOMINAL FIRST HOLE MM |
| Distance From Center of Mounting Hole to Edge Along the Width | 15.0 MILLIMETERS NOMINAL15.0 MILLIMETERS NOMINAL MM |
| Distance From End to First Mounting Hole Center | 36.0 MILLIMETERS NOMINAL MM |
| Mounting Facility | UNTHREADED HOLE(S)UNTHREADED HOLE(S) |
| Center to Center Distance Between First and Second Mounting Holes | 36.0 MILLIMETERS NOMINAL36.0 MILLIMETERS NOMINAL MM |
| Material | PLASTIC |
| 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 |
|---|---|
| 325.4/16-PA PRIMARY | Stauff Corp (USA) |
| Reference | Meaning |
|---|---|
| 12645633 | 7/2 Vendor item drawing reference U S Army Tank Automotive Command Amsta-Im-Mm |
| 12645633 | C/1 Advisory reference — outside the item-of-supply concept Oshkosh Defense Llc |
NSN 5340-01-726-2640 is a Clamp,block, manufactured by Stauff Corp, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-726-2640 has 1 manufacturer part number on file: 325.4/16-PA (Stauff Corp).
Key specifications for 325.4/16-PA: Mounting Hole Quantity: 11; Overall Height: 37.0 MILLIMETERS NOMINAL37.0 MILLIMETERS NOMINAL MM; Clamping Hole Quantity: 22; Distance From End to First Clamping Hole Center: 15.5 MILLIMETERS NOMINAL MM. 14 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.