The Liner,relief Valve, cataloged under National Stock Number 2995-01-143-7325, is classified within Federal Supply Class 2995 (Miscellaneous Engine Accessories, Aircraft) of the Engine Accessories group. The manufacturer of record is Ontic Engineering & Manufacturing, Inc Dba Ontic Us. Government technical data includes 2 specifications, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2995-01-143-7325 |
| Primary Part Number | 2493758 |
| Item Name | Liner,relief Valve |
| FSC / FSG | 2995 / 29 — Miscellaneous Engine Accessories, Aircraft |
| Manufacturer | Ontic Engineering & Manufacturing, Inc Dba Ontic Us |
| Status | ACTIVE |
| FSC Application Data | POWER UNIT ASSEMBLY |
| General Characteristics Item Description | STEEL BAR AMS 5639,1.065 IN. MIN1.075 IN.MAX O/A LG; PASSIVATE PER ASTM A380-57 IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 2493758 PRIMARY | Ontic Engineering & Manufacturing, Inc Dba Ontic Us (USA) |
| Reference | Meaning |
|---|---|
| 2493758 | 3/9 Design control — primary reference U.S. Government activity |
NSN 2995-01-143-7325 is a Liner,relief Valve, manufactured by Ontic Engineering & Manufacturing, Inc Dba Ontic Us, classified under FSC 2995, Miscellaneous Engine Accessories, Aircraft. Status: active.
NSN 2995-01-143-7325 has 1 manufacturer part number on file: 2493758 (Ontic Engineering & Manufacturing, Inc Dba Ontic Us).
Key specifications for 2493758: FSC Application Data: POWER UNIT ASSEMBLY; General Characteristics Item Description: STEEL BAR AMS 5639,1.065 IN. MIN1.075 IN.MAX O/A LG; PASSIVATE PER ASTM A380-57 IN; End Item Identification: AIRCRAFT MODEL A-18,F-18. 2 specifications are 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.
NSN 2995-01-143-7325 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.