The Retainer,helical Compression Spr, cataloged under National Stock Number 5340-00-007-0573, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Ontic Engineering & Manufacturing, Inc Dba Ontic Us. Government technical data includes 8 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5340-00-007-0573 |
| Primary Part Number | 2483565 |
| Item Name | Retainer,helical Compression Spr |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Ontic Engineering & Manufacturing, Inc Dba Ontic Us |
| Status | ACTIVE |
| Flange Diameter | 0.773 INCHES NOMINAL IN |
| Flange Thickness | 0.125 INCHES MAXIMUM IN |
| Style Designator | PARALLEL |
| Body Inside Diameter | 0.550 INCHES MAXIMUM IN |
| Casehardening Indicator | NOT CASEHARDENED |
| Lip Thickness | 0.095 INCHES MAXIMUM IN |
| Surface Treatment | NICKEL |
| Material | COPPER ALLOY |
| 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 |
|---|---|
| 2483565 | Ontic Engineering & Manufacturing, Inc Dba Ontic Us (USA) |
| Reference | Meaning |
|---|---|
| 2483565 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5340-00-007-0573 is a Retainer,helical Compression Spr, manufactured by Ontic Engineering & Manufacturing, Inc Dba Ontic Us, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-00-007-0573 has 1 manufacturer part number on file: 2483565 (Ontic Engineering & Manufacturing, Inc Dba Ontic Us).
Key specifications for 2483565: Flange Diameter: 0.773 INCHES NOMINAL IN; Overall Height: 0.389 INCHES MAXIMUM IN; Flange Thickness: 0.125 INCHES MAXIMUM IN; Style Designator: PARALLEL. 8 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.