The Holder,spring, cataloged under National Stock Number 5340-00-576-5336, 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 5 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5340-00-576-5336 |
| Primary Part Number | 520925 |
| Item Name | Holder,spring |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Ontic Engineering & Manufacturing, Inc Dba Ontic Us |
| Status | ACTIVE |
| FSC Application Data | 1. CONTROL ASSEMBLY,HYDROMECHANICAL |
| Supporting Object/surface Attachment Method | FRICTION MTG OF MATING MACHINED PARTS BY SPRING COMPRESSION |
| Attachment to Item Supported Method | FRICTION MOUNTED BY SPRING COMPRESSION |
| Material | STEEL |
| Usage Design | CENTERS AND POSITIONS SPRING |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | F |
| Unit of Issue | EA |
| Part Number | Manufacturer |
|---|---|
| 520925 PRIMARY | Ontic Engineering & Manufacturing, Inc Dba Ontic Us (USA) |
| Reference | Meaning |
|---|---|
| 520925 | 5/9 Secondary reference Hamilton Sundstrand Corporation Dba Collins Aerospace |
NSN 5340-00-576-5336 is a Holder,spring, manufactured by Ontic Engineering & Manufacturing, Inc Dba Ontic Us, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-00-576-5336 has 1 manufacturer part number on file: 520925 (Ontic Engineering & Manufacturing, Inc Dba Ontic Us).
Key specifications for 520925: FSC Application Data: 1. CONTROL ASSEMBLY,HYDROMECHANICAL; Supporting Object/surface Attachment Method: FRICTION MTG OF MATING MACHINED PARTS BY SPRING COMPRESSION; Attachment to Item Supported Method: FRICTION MOUNTED BY SPRING COMPRESSION; Material: STEEL. 5 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.