The Propellant Pressurizing Agent,ar, cataloged under National Stock Number 9135-01-665-8718, is classified within Federal Supply Class 9135 (Liquid Propellant Fuels and Oxidizers, Chemical Base) of the Fuels, Lubricants, Oils, and Waxes group. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 9135-01-665-8718 |
| Item Name | Propellant Pressurizing Agent,ar |
| FSC / FSG | 9135 / 91 — Liquid Propellant Fuels and Oxidizers, Chemical Base |
| Status | CANCELLED |
| Acquisition Status | CANCELLED |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Hazardous per DLA record (HMIC D) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| MIL-PRF-27415 | 4/1 Identification reference U.S. Government activity |
| M27415-2B | 2/2 Government specification standardization U.S. Government activity |
NSN 9135-01-665-8718 is a Propellant Pressurizing Agent,ar, classified under FSC 9135, Liquid Propellant Fuels and Oxidizers, Chemical Base. Status: cancelled.
2 possible matches (shared part number, not a government interchangeability claim): 9135-01-665-8775, 6830-01-723-9239. Verify interchangeability with system specifications before substitution.
Key specifications for 9135-01-665-8718: Special Features: PROPELLANT PRESSURIZING AGENT, ARGON 99.998 PERCENT MINIMUM LIQUID ARGON, 3.5 PPM MAXIMUM MOISTURE, 2 PPM MAXIMUM HYDROGEN, 5 PPM MAXIMUM OXYGEN, 15 PPM MAXIMUM NITROGEN, MINUS 90 DEG F, DEWPOINT TOTAL HYDROCARBONS AS METHANE 1 PPM BY VOLUME MAX, TYPE 2, GRADE B, BULK QTY; DEGF. 0 specifications are documented in the U.S. Government catalog.
Hazardous per DLA record (HMIC D). Hazard information on this page is shown exactly as it appears in the DLA record.
NSN 9135-01-665-8718 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.
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.