The Seat,helical Compression Spring, cataloged under National Stock Number 5340-01-178-2215, 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 9 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5340-01-178-2215 |
| Primary Part Number | 13214E2065 |
| Item Name | Seat,helical Compression Spring |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| First Step Diameter | 3.1200 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | MIL-A-8625, TYPE 2, CLASS 1 MIL SPEC SINGLE TREATMENT RESPONSE |
| Second End Diameter | 2.7500 INCHES NOMINAL IN |
| Design Type | SOLID |
| Material Document and Classification | QQ-A-601, T6 FED SPEC 1ST MATERIAL RESPONSE OR QQ-A-596, ALLOY 356, T6 FED SPEC 2ND MATERIAL RESPONSE |
| First Step Length | 0.1250 INCHES NOMINAL IN |
| Surface Treatment | ANODIZE |
| Bore Diameter | 0.5000 INCHES MINIMUM AND 0.5050 INCHES MAXIMUM IN |
| Material | ALUMINUM ALLOY 208.0 OR ALUMINUM ALLOY 242.0 OR ALUMINUM ALLOY 295.0 OR ALUMINUM ALLOY 328.0 OR ALUMINUM ALLOY 707.0 OR ALUMINUM ALLOY A712.0 OR ALUMINUM ALLOY 356.0 |
| 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 |
|---|---|
| 13214E2065 | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| Reference | Meaning |
|---|---|
| 13214E2065 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5340-01-178-2215 is a Seat,helical Compression Spring, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-178-2215 has 1 manufacturer part number on file: 13214E2065 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 13214E2065: Overall Height: 2.1900 INCHES NOMINAL IN; First Step Diameter: 3.1200 INCHES NOMINAL IN; Surface Treatment Document and Classification: MIL-A-8625, TYPE 2, CLASS 1 MIL SPEC SINGLE TREATMENT RESPONSE; Second End Diameter: 2.7500 INCHES NOMINAL IN. 9 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.