The Clamp,block, cataloged under National Stock Number 5340-01-271-0385, 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. Government technical data includes 25 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. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-01-271-0385 |
| Primary Part Number | 10943662 |
| Item Name | Clamp,block |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Mounting Hole Quantity | 22 |
| Clamping Hole Quantity | 1111 |
| Center to Center Distance Between First and Fourth Clamping Holes | 2.380 INCHES NOMINAL IN |
| Distance From End to First Clamping Hole Center | 1.000 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | MIL-V-173 MIL SPEC SINGLE TREATMENT RESPONSE |
| Block Height | 0.735 INCHES MINIMUM AND 0.735 INCHES MINIMUM AND 0.765 INCHES MAXIMUM0.765 INCHES MAXIMUM IN |
| Style Designator | RECTANGULAR |
| Material Document and Classification | MIL-P-15035,TY FBM MIL SPEC SINGLE MATERIAL RESPONSE OR MIL-P-15035,TY FBI MIL SPEC SINGLE MATERIAL RESPONSE |
| Mounting Hole Diameter | 0.280 INCHES MINIMUM AND 0.280 INCHES MINIMUM AND 0.286 INCHES MAXIMUM0.286 INCHES MAXIMUM IN |
| Clamping Hole Diameter | 0.250 INCHES MINIMUM AND 0.256 INCHES MAXIMUM FIFTH HOLE IN |
| Clamping Hole Diameter | 0.250 INCHES MINIMUM AND 0.256 INCHES MAXIMUM FOURTH HOLE IN |
| Clamping Hole Diameter | 0.250 INCHES MINIMUM AND 0.256 INCHES MAXIMUM SIXTH HOLE IN |
| Clamping Hole Diameter | 0.250 INCHES MINIMUM AND 0.256 INCHES MAXIMUM THIRD HOLE IN |
| Clamping Hole Diameter | 0.500 INCHES MINIMUM AND 0.506 INCHES MAXIMUM FIRST HOLE IN |
| Clamping Hole Diameter | 0.500 INCHES MINIMUM AND 0.506 INCHES MAXIMUM SECOND HOLE IN |
| Center to Center Distance Between First and Sixth Clamping Holes | 3.880 INCHES NOMINAL IN |
| Center to Center Distance Between First and Third Clamping Holes | 1.750 INCHES NOMINAL IN |
| Distance From Center of Mounting Hole to Edge Along the Width | 0.235 INCHES MINIMUM AND 0.235 INCHES MINIMUM AND 0.265 INCHES MAXIMUM0.265 INCHES MAXIMUM IN |
| Distance From End to First Mounting Hole Center | 0.370 INCHES NOMINAL IN |
| Mounting Facility | UNTHREADED HOLE(S)UNTHREADED HOLE(S) |
| Center to Center Distance Between First and Fifth Clamping Holes | 3.130 INCHES NOMINAL IN |
| Center to Center Distance Between First and Second Mounting Holes | 6.240 INCHES MINIMUM AND 6.240 INCHES MINIMUM AND 6.260 INCHES MAXIMUM6.260 INCHES MAXIMUM IN |
| Surface Treatment | VARNISH |
| Material | PLASTIC |
| Center to Center Distance Between First and Second Clamping Holes | 0.500 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 |
|---|---|
| 10943662 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
NSN 5340-01-271-0385 is a Clamp,block, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-271-0385 has 1 manufacturer part number on file: 10943662 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 10943662: Mounting Hole Quantity: 22; Overall Height: 3.000 INCHES NOMINAL3.000 INCHES NOMINAL IN; Clamping Hole Quantity: 1111; Center to Center Distance Between First and Fourth Clamping Holes: 2.380 INCHES NOMINAL IN. 25 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.