The Spacer Assembly, cataloged under National Stock Number 5975-00-821-5137, is classified within Federal Supply Class 5975 (Electrical Hardware and Supplies) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Aero Engineering & Manufacturing Company of California, Llc Dba Aeroengineering & Manufacturing Co. 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. 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 | 5975-00-821-5137 |
| Primary Part Number | LS7882-400 |
| Item Name | Spacer Assembly |
| FSC / FSG | 5975 / 59 — Electrical Hardware and Supplies |
| Manufacturer | Aero Engineering & Manufacturing Company of California, Llc Dba Aeroengineering & Manufacturing Co |
| Status | ACTIVE |
| General Characteristics Item Description | ALUMINUM ALLOY,4.000 IN. LG,0.375 IN. ACROSS HEX FLATS,ONE 10-32 UNF-2B THREADED HOLE IN EACH END,TWO CORROSION RESISTANT STEEL INSERTS INCLUDED IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| LS7882-400 PRIMARY | Aero Engineering & Manufacturing Company of California, Llc Dba Aeroengineering & Manufacturing Co (USA) |
NSN 5975-00-821-5137 is a Spacer Assembly, manufactured by Aero Engineering & Manufacturing Company of California, Llc Dba Aeroengineering & Manufacturing Co, classified under FSC 5975, Electrical Hardware and Supplies. Status: active.
NSN 5975-00-821-5137 has 1 manufacturer part number on file: LS7882-400 (Aero Engineering & Manufacturing Company of California, Llc Dba Aeroengineering & Manufacturing Co).
1 possible match (shared part number, not a government interchangeability claim): 5975-01-535-4533. Verify interchangeability with system specifications before substitution.
Key specifications for LS7882-400: General Characteristics Item Description: ALUMINUM ALLOY,4.000 IN. LG,0.375 IN. ACROSS HEX FLATS,ONE 10-32 UNF-2B THREADED HOLE IN EACH END,TWO CORROSION RESISTANT STEEL INSERTS INCLUDED IN. 1 specification is 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.