The Plunger,detent, cataloged under National Stock Number 5340-00-974-0575, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Eaton Aerospace Llc Dba Sterer Engineering Div M.c.aerospace. Government technical data includes 2 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 | 5340-00-974-0575 |
| Primary Part Number | MC9580 |
| Item Name | Plunger,detent |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Eaton Aerospace Llc Dba Sterer Engineering Div M.c.aerospace |
| Status | ACTIVE |
| Material Document and Classification | QQ-A-225/4, T4 FED SPEC SINGLE MATERIAL RESPONSE |
| Material | ALUMINUM ALLOY 2014 OVERALL |
| 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 |
|---|---|
| MC9580 PRIMARY | Eaton Aerospace Llc Dba Sterer Engineering Div M.c.aerospace (USA) |
NSN 5340-00-974-0575 is a Plunger,detent, manufactured by Eaton Aerospace Llc Dba Sterer Engineering Div M.c.aerospace, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-00-974-0575 has 1 manufacturer part number on file: MC9580 (Eaton Aerospace Llc Dba Sterer Engineering Div M.c.aerospace).
Key specifications for MC9580: Material Document and Classification: QQ-A-225/4, T4 FED SPEC SINGLE MATERIAL RESPONSE; Special Features: OA LG 0.420 IN.; HEAD 0.063 IN. HGTH,0.168 TO 0.178 IN. DIA; SHOULDER HGTH 0.030 IN.,DIA 0.230 TO 0.240 IN.; SHAFT DIA 0.880 TO 0.091 IN.,SHAFT HGTH 0.327 IN. IN; Material: ALUMINUM ALLOY 2014 OVERALL. 2 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.