The EAR Pad Assembly, cataloged under National Stock Number 8415-00-143-8577, is classified within Federal Supply Class 8415 (Clothing, Special Purpose) of the Clothing, Individual Equipment, and Insignia group. Government technical data includes 2 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 8415-00-143-8577 |
| Item Name | EAR Pad Assembly |
| FSC / FSG | 8415 / 84 — Clothing, Special Purpose |
| Status | ACTIVE |
| General Characteristics Item Description | CONSISTING OF CONNECTOR; COVER AND HOLDING RING MADE OF VINYL; CUSHION AND BUTTON MADE OF POLYURETHANE; USED W/HELMET,FLYER'S SPH-4 AND HELMET,FLYER'S HGU-39/P |
| Departure From Cited Document | AS MOD BY GENERAL CHARACTERISTICS ITEM DESCRIPTION |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 8-2-513 | 3/2 Design control — primary reference U.S. Government activity |
| MIL-H-43925 | 4/1 Identification reference U.S. Government activity |
NSN 8415-00-143-8577 is a EAR Pad Assembly, classified under FSC 8415, Clothing, Special Purpose. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 1680-00-410-3266. Verify interchangeability with system specifications before substitution.
Key specifications for 8415-00-143-8577: General Characteristics Item Description: CONSISTING OF CONNECTOR; COVER AND HOLDING RING MADE OF VINYL; CUSHION AND BUTTON MADE OF POLYURETHANE; USED W/HELMET,FLYER'S SPH-4 AND HELMET,FLYER'S HGU-39/P; Departure From Cited Document: AS MOD BY GENERAL CHARACTERISTICS ITEM DESCRIPTION. 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.