The Retainer,helical Compression Spr, cataloged under National Stock Number 5340-01-203-3428, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Meggitt Defense Systems, Inc. Dba Meggitt Defense Systems Inc. Government technical data includes 14 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5340-01-203-3428 |
| Primary Part Number | 007250-1 |
| Item Name | Retainer,helical Compression Spr |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Meggitt Defense Systems, Inc. Dba Meggitt Defense Systems Inc |
| Status | ACTIVE |
| Flange Diameter | 1.750 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | MIL-A-8625, TYPE 2, CLASS 2 MIL SPEC 1ST TREATMENT RESPONSE |
| Flange Thickness | 0.380 INCHES NOMINAL IN |
| Body Outside Diameter | 0.750 INCHES NOMINAL IN |
| Style Designator | PARALLEL |
| Material Document and Classification | QQ-A-225/8, ALLOY 6061, T651 FED SPEC SINGLE MATERIAL RESPONSE |
| Mounting Hole Diameter | 0.218 INCHES NOMINAL IN |
| Body Inside Diameter | 0.531 INCHES NOMINAL IN |
| Casehardening Indicator | NOT CASEHARDENED |
| Lip Thickness | 0.120 INCHES NOMINAL IN |
| Bolt Circle Diameter | 1.250 INCHES NOMINAL IN |
| Surface Treatment | ANODIZE AND PAINT |
| Material | ALUMINUM ALLOY 6061 |
| End Hole Diameter | 0.316 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 |
|---|---|
| 007250-1 PRIMARY | Meggitt Defense Systems, Inc. Dba Meggitt Defense Systems Inc (USA) |
| Reference | Meaning |
|---|---|
| 007250-1 | 3/9 Design control — primary reference Meggitt Defense Systems, Inc. Dba Meggitt Western Design |
NSN 5340-01-203-3428 is a Retainer,helical Compression Spr, manufactured by Meggitt Defense Systems, Inc. Dba Meggitt Defense Systems Inc, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-203-3428 has 1 manufacturer part number on file: 007250-1 (Meggitt Defense Systems, Inc. Dba Meggitt Defense Systems Inc).
Key specifications for 007250-1: Flange Diameter: 1.750 INCHES NOMINAL IN; Overall Height: 0.870 INCHES NOMINAL IN; Surface Treatment Document and Classification: MIL-A-8625, TYPE 2, CLASS 2 MIL SPEC 1ST TREATMENT RESPONSE; Flange Thickness: 0.380 INCHES NOMINAL IN. 14 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.