The Clamp,block, cataloged under National Stock Number 5340-01-178-2176, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is U S Army Tank Automotive Command Amsta-Im-Mm. 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 | 5340-01-178-2176 |
| Primary Part Number | 12325763 |
| Item Name | Clamp,block |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| 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 |
|---|---|
| 12325763 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
NSN 5340-01-178-2176 is a Clamp,block, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-178-2176 has 1 manufacturer part number on file: 12325763 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 12325763: Special Features: ALUMINUM ALLOY 5083, TEMPER H111 QQ-A-200/4 OR ALUMINUM ALLOY 5083, TEMPER H111 ASTM B221 OR ALUMINUM ALLOY 5086, TEMPER H1LL ASTM B221 OR ALUMINUM ALLOY 5456, TEMPER H111 QQ-A-200/7 OR ALUMINUM ALLOY 5456, TEMPER H111 ASTM B221 OR ALUMINUM ALLOY 6061, TEMPER T6 QQ-A-200/8 OR ALUMINUM ALLOY 6061, TEMPER T6 QQ-A-225/8 OR ALUMINUM ALLOY 6061, TEMPER T6 ASTM B221 OR ALUMINUM ALLOY 6061, TEMPER T6 ASTM B221; EPOXY-POLYAMIDE CLASS OPTL TYPE 1; 1.560 IN. LG; 1.000 IN. W; 0.530 IN. H; 1 MOUNTING HOLE 0.310IN. DIA; 1 TUBE OPENING 0.792 IN. MIN. 0.832 IN. MAX DIA; COLOR WHITE IN. 0 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.