The Gear and Sprocket a, cataloged under National Stock Number 5865-00-472-9383, is classified within Federal Supply Class 5865 (Electronic Countermeasures, Counter-countermeasures and Quick Reaction Capability Equipment) of the Communication, Detection, and Coherent Radiation Equipment group. The manufacturer of record is Mas Components & Coatings, Llc Dba Mas Components & Coatings Llc. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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.
| Item Name | Gear and Sprocket a |
| FSC / FSG | 5865 — Electronic Countermeasures, Counter-countermeasures and Quick Reaction Capability Equipment (FSG 58) |
| Manufacturers | Mas Components & Coatings, Llc Dba Mas Components & Coatings Llc (CAGE 48ZY0) |
| Parameter | Value |
|---|---|
| NSN | 5865-00-472-9383 |
| Primary Part Number | RB31175 |
| Item Name | Gear and Sprocket a |
| FSC / FSG | 5865 / 58 — Electronic Countermeasures, Counter-countermeasures and Quick Reaction Capability Equipment |
| Manufacturer | Mas Components & Coatings, Llc Dba Mas Components & Coatings Llc |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| RB31175 PRIMARY | Mas Components & Coatings, Llc Dba Mas Components & Coatings Llc (USA) |
| Reference | Meaning |
|---|---|
| RB1175 | 5/9 Secondary reference Mas Components & Coatings, Llc Dba Mas Components & Coatings Llc |
| RB31175 | 3/9 Design control — primary reference Kilgore Flares Company Llc |
| RB31175 | 5/9 Secondary reference U.S. Government activity |
NSN 5865-00-472-9383 is a Gear and Sprocket a, manufactured by Mas Components & Coatings, Llc Dba Mas Components & Coatings Llc, classified under FSC 5865, Electronic Countermeasures, Counter-countermeasures and Quick Reaction Capability Equipment. Status: active.
NSN 5865-00-472-9383 has 1 manufacturer part number on file: RB31175 (Mas Components & Coatings, Llc Dba Mas Components & Coatings Llc).
1 possible match (shared part number, not a government interchangeability claim): 5325-01-559-1800. Verify interchangeability with system specifications before substitution.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
NSN 5865-00-472-9383 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
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.