The Plate,spacer, cataloged under National Stock Number 6615-00-028-2239, is classified within Federal Supply Class 6615 (Automatic Pilot Mechanisms and Airborne Gyro Components) of the Instruments and Laboratory Equipment group. The manufacturer of record is Lockheed Martin Corporation Div Rms - Mitchel Field. Government technical data includes 1 specification, 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. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6615-00-028-2239 |
| Primary Part Number | 312187 |
| Item Name | Plate,spacer |
| FSC / FSG | 6615 / 66 — Automatic Pilot Mechanisms and Airborne Gyro Components |
| Manufacturer | Lockheed Martin Corporation Div Rms - Mitchel Field |
| Status | ACTIVE |
| General Characteristics Item Description | STAINLESS STEEL,QQ-S-766,CL 1,COND A,FIN. 2; 1.062 IN. LG,0.406 IN. W; 0.025 IN. THK; 4 HOLES 0.102 TO 0.107 IN. DIA THRU IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 312187 PRIMARY | Lockheed Martin Corporation Div Rms - Mitchel Field (USA) |
NSN 6615-00-028-2239 is a Plate,spacer, manufactured by Lockheed Martin Corporation Div Rms - Mitchel Field, classified under FSC 6615, Automatic Pilot Mechanisms and Airborne Gyro Components. Status: active.
NSN 6615-00-028-2239 has 1 manufacturer part number on file: 312187 (Lockheed Martin Corporation Div Rms - Mitchel Field).
2 possible matches (shared part number, not a government interchangeability claim): 5920-00-280-5028, 2520-00-974-7280. Verify interchangeability with system specifications before substitution.
Key specifications for 312187: General Characteristics Item Description: STAINLESS STEEL,QQ-S-766,CL 1,COND A,FIN. 2; 1.062 IN. LG,0.406 IN. W; 0.025 IN. THK; 4 HOLES 0.102 TO 0.107 IN. DIA THRU IN. 1 specification is documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). 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.