The Clamp,block, cataloged under National Stock Number 5340-01-377-3664, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Amz Alabama Inc.. Government technical data includes 3 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5340-01-377-3664 |
| Primary Part Number | 12412397-02 |
| Item Name | Clamp,block |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Amz Alabama Inc. |
| Status | ACTIVE |
| Clamping Hole Quantity | 11 |
| Clamping Hole Diameter | 0.540 INCHES NOMINAL ALL HOLES IN |
| Mounting Facility | CLAMPCLAMP |
| 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 |
|---|---|
| 12412397-02 | Amz Alabama Inc. (USA) |
| 12412397-02 | Bae Systems Tactical Vehicle Systems Lp Dba Data Systems International Inc (USA) |
| Reference | Meaning |
|---|---|
| 2050-SP-COP-STW | 5/9 Secondary reference U.S. Government activity |
| 405814-03 | C/1 Advisory reference — outside the item-of-supply concept Bae Systems Controls Inc. |
| 12412397-02 | 7/2 Vendor item drawing reference U S Army Tank Automotive Command Amsta-Im-Mm |
| S2050-SP | 3/9 Design control — primary reference U.S. Government activity |
| PL40552-01 FN 62 | C/1 Advisory reference — outside the item-of-supply concept Bae Systems Controls Inc. |
| PL405550-01-01FN 159 | C/1 Advisory reference — outside the item-of-supply concept Bae Systems Controls Inc. |
NSN 5340-01-377-3664 is a Clamp,block, manufactured by Amz Alabama Inc., classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-377-3664 has 2 manufacturer part numbers on file: 12412397-02 (Amz Alabama Inc.), 12412397-02 (Bae Systems Tactical Vehicle Systems Lp Dba Data Systems International Inc).
Key specifications for 12412397-02: Overall Height: 1.375 INCHES NOMINAL1.375 INCHES NOMINAL IN; Clamping Hole Quantity: 11; Overall Length: 1.625 INCHES NOMINAL1.625 INCHES NOMINAL IN; Overall Width: 1.250 INCHES NOMINAL1.250 INCHES NOMINAL IN. 3 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.