The Clamp,block, cataloged under National Stock Number 5340-01-516-6621, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division. 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5340-01-516-6621 |
| Primary Part Number | 3213PP |
| Item Name | Clamp,block |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division |
| Status | ACTIVE |
| Mounting Hole Quantity | 22 |
| Clamping Hole Quantity | 11 |
| Distance From End to First Clamping Hole Center | 0.980 INCHES NOMINAL IN |
| Block Height | 0.800 INCHES NOMINAL0.800 INCHES NOMINAL IN |
| Style Designator | RECTANGULAR |
| Center to Center Distance Between First and Third Mounting Holes | 1.410 INCHES NOMINAL1.410 INCHES NOMINAL IN |
| Clamping Hole Diameter | 0.840 INCHES NOMINAL SINGLE HOLE IN |
| Distance From End to First Mounting Hole Center | 0.165 INCHES NOMINAL IN |
| Mounting Facility | UNTHREADED HOLE(S)UNTHREADED HOLE(S) |
| 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 |
|---|---|
| 3213PP PRIMARY | Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division (USA) |
| Reference | Meaning |
|---|---|
| 161K0000 ITEM 82 | 5/9 Secondary reference U.S. Government activity |
| 161K0191-1 | 7/9 Vendor item drawing reference U.S. Government activity |
| 161K0191 PN 3213PP | 5/9 Secondary reference U.S. Government activity |
NSN 5340-01-516-6621 is a Clamp,block, manufactured by Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-516-6621 has 1 manufacturer part number on file: 3213PP (Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division).
Key specifications for 3213PP: Mounting Hole Quantity: 22; Overall Height: 1.770 INCHES NOMINAL1.770 INCHES NOMINAL IN; Clamping Hole Quantity: 11; Distance From End to First Clamping Hole Center: 0.980 INCHES NOMINAL IN. 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.