The Leak Test Compound, cataloged under National Stock Number 6850-00-621-1820, is classified within Federal Supply Class 6850 (No Item Name Available) of the Chemicals and Chemical Products group. The primary manufacturer of record is Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M. Government technical data includes 3 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 17 commercial cross-references from 9 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 6850-00-621-1820 |
| Primary Part Number | MIL-PRF-25567 |
| Item Name | Leak Test Compound |
| FSC / FSG | 6850 / 68 — No Item Name Available |
| Manufacturer | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| Status | CANCELLED |
| Physical Form | LIQUID |
| Nondefinitive Spec/std Data | I TYPE |
| Quantity Within Each Unit Package | 4.0 OUNCES OZ |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| MIL-PRF-25567 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| MIL-PRF-25567 TYPE 1 | Tecno Trade S.r.l. (ITA) |
| MILL25567DTYPE1X40Z | Leonardo Uk Ltd (GBR) |
| SHERLOCK 5 TYPE 1 4 OZ | Aviall Aust Pty Ltd (AUS) |
| 6850PL1814779 | Jednolity Indeks Materialowy - Uniform Material Index (POL) |
| V00000703 | I.f.i. S.r.l. (ITA) |
| MIL-PRF-25567 TYPE 1 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| MIL-PRF-25567 TYPE I | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| MIL-L-25567 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| 6850PL1666739 | Jednolity Indeks Materialowy - Uniform Material Index (POL) |
| 6850006211820 | E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales |
| MIL-PRF-25567E | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| SHERLOCK 5 TYPE 1 4 OZ | Winton Products Co Inc (USA) |
| TGMSNOOP63 | I.f.i. S.r.l. (ITA) |
| MIL-PRF-25567E | Aerochem Inc. (USA) |
| MIL-PRF-25567 TYPE 1 | Aerochem Inc. (USA) |
| MILPRF25567TYPEIX4OZ | Leonardo Uk Ltd (GBR) |
NSN 6850-00-621-1820 is a Leak Test Compound, manufactured by Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M, classified under FSC 6850 (No Item Name Available). Status: cancelled.
NSN 6850-00-621-1820 has 17 cross-referenced part numbers: MIL-PRF-25567 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MIL-PRF-25567 TYPE 1 (Tecno Trade S.r.l.), MILL25567DTYPE1X40Z (Leonardo Uk Ltd), SHERLOCK 5 TYPE 1 4 OZ (Aviall Aust Pty Ltd), 6850PL1814779 (Jednolity Indeks Materialowy - Uniform Material Index) and 12 more.
There are 7 known substitutes for 6850-00-621-1820: 6850-00-051-5052, 6850-00-185-0423, 6850-00-186-2963 and 4 more. Verify interchangeability with system specifications before substitution.
Key specifications for MIL-PRF-25567: Physical Form: LIQUID; Nondefinitive Spec/std Data: I TYPE; Quantity Within Each Unit Package: 4.0 OUNCES OZ. 3 total characteristics are documented in the Federal Logistics Information System.
NSN 6850-00-621-1820 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.