The Clamp,block, cataloged under National Stock Number 5340-01-668-7577, 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 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-01-668-7577 |
| Primary Part Number | 3254/127 PA |
| Item Name | Clamp,block |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Stauff Corp |
| Status | ACTIVE |
| Clamping Hole Quantity | 22 |
| Block Height | 1.46 INCHES NOMINAL1.46 INCHES NOMINAL IN |
| Style Designator | RECTANGULAR |
| Clamping Hole Diameter | 0.50 INCHES NOMINAL FIFTH HOLE IN |
| Clamping Hole Diameter | 1.00 INCHES NOMINAL SECOND HOLE IN |
| Center to Center Distance Between First and Second Clamping Holes | 1.42 INCHES NOMINAL IN |
| 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 |
|---|---|
| 3254/127 PA PRIMARY | Stauff Corp (USA) |
| Reference | Meaning |
|---|---|
| 4196004 | 7/2 Vendor item drawing reference Oshkosh Defense Llc |
NSN 5340-01-668-7577 is a Clamp,block, manufactured by Stauff Corp, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-668-7577 has 1 manufacturer part number on file: 3254/127 PA (Stauff Corp).
Key specifications for 3254/127 PA: Clamping Hole Quantity: 22; Block Height: 1.46 INCHES NOMINAL1.46 INCHES NOMINAL IN; Style Designator: RECTANGULAR; Overall Length: 2.64 INCHES NOMINAL2.64 INCHES NOMINAL IN. 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.