The Sleeve and Slide,directional Con, cataloged under National Stock Number 4820-01-283-9677, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Ontic Engineering & Manufacturing, Inc Dba Ontic Us. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 7 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | Sleeve and Slide,directional Con |
| FSC / FSG | 4820 — Valves, Nonpowered (FSG 48) |
| Manufacturers | Asphalt Sealcoating Service Inc (CAGE 45937); Ontic Engineering & Manufacturing, Inc Dba Ontic Us (CAGE 45934) |
| Parameter | Value |
|---|---|
| NSN | 4820-01-283-9677 |
| Primary Part Number | 125165P |
| Item Name | Sleeve and Slide,directional Con |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Ontic Engineering & Manufacturing, Inc Dba Ontic Us |
| Status | ACTIVE |
| 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 |
|---|---|
| 40495K AND 40495L AND 40496L | Asphalt Sealcoating Service Inc (USA) |
| 125165P PRIMARY | Ontic Engineering & Manufacturing, Inc Dba Ontic Us (USA) |
| Reference | Meaning |
|---|---|
| 10351278 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
| 40495K AND 40495L AND 40496N | 5/9 Secondary reference Te Aero Corp |
| 40495K AND 40495L | 5/9 Secondary reference Ontic Engineering & Manufacturing, Inc Dba Ontic Us |
| 40495K AND 40495L | 5/9 Secondary reference Te Aero Corp |
| 40495K AND 40495L | 5/9 Secondary reference Itt Aerospace Controls Llc Dba Itt Aerospace Controls Unit S |
| 125165P | 5/9 Secondary reference Donallco Inc |
| 125165P | 5/9 Secondary reference Te Aero Corp |
NSN 4820-01-283-9677 is a Sleeve and Slide,directional Con, manufactured by Ontic Engineering & Manufacturing, Inc Dba Ontic Us, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-283-9677 has 2 manufacturer part numbers on file: 40495K AND 40495L AND 40496L (Asphalt Sealcoating Service Inc), 125165P (Ontic Engineering & Manufacturing, Inc Dba Ontic Us).
1 possible match (shared part number, not a government interchangeability claim): 4820-01-331-7538. 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.
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.