The Sealing Compound, cataloged under National Stock Number 8030-01-252-7963, is classified within Federal Supply Class 8030 (Preservative and Sealing Compounds) of the Brushes, Paints, Sealers, and Adhesives group. Government technical data includes 9 specifications, cited from the U.S. Government catalog. 13 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 6 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 8030-01-252-7963 |
| Item Name | Sealing Compound |
| FSC / FSG | 8030 / 80 — Preservative and Sealing Compounds |
| Status | ACTIVE |
| Rated Drying Time | 30.000 HOURS NOMINAL |
| Supplementary Features | 2 OUNCE IN 2-1/2 OUNCE CARTRIDGE OZ |
| Specification/standard Data | 81343-AMS3276 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| Quantity Within Each Unit Package | 2.000 OUNCES OZ |
| Nondefinitive Spec/std Data | B-1/2 CLASS |
| Physical Form | PASTE |
| Color | GRAY/GREY |
| Specific Usage Design | FOR AIRCRAFT INTEGRAL FUEL TANKS AND FUEL CELL CAVITIES |
| Material | RUBBER SYNTHETIC |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Hazardous per DLA record (HMIC Y) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| AC-350 B-1/2 | 5/9 Secondary reference 3m Company Dba 3m |
| AMS3276 CLB-1/2 | 5/9 Secondary reference U.S. Government activity |
| AMS3276 | 3/1 Design control — primary reference Sae International Dba Sae International |
| STO 120-LB0006 | 5/1 Secondary reference The Boeing Company Div Legacy Am&m |
| CS5500 B-1/2 | 5/1 Secondary reference The Flamemaster Corporation |
| AMS3276 CLB-1/2 | 5/1 Secondary reference Sae International Dba Sae International |
| GM4107A B-1/2 | 5/1 Secondary reference Northrop Grumman Systems Corporation |
| PR-1750 B-1/2 | 5/1 Secondary reference U.S. Government activity |
| MIL-S-83430 CLB-1/2 | 5/9 Secondary reference U.S. Government activity |
| MIL-S-83430 | 5/9 Secondary reference U.S. Government activity |
| FMS1044 B-1/2 | 5/1 Secondary reference U.S. Government activity |
| AMS3276 | 3/9 Design control — primary reference U.S. Government activity |
| MMS332 B-1/2 | 5/1 Secondary reference The Boeing Company Div Defense |
NSN 8030-01-252-7963 is a Sealing Compound, classified under FSC 8030, Preservative and Sealing Compounds. Status: active.
6 possible matches (shared part number, not a government interchangeability claim): 8030-01-322-7275, 8030-01-381-5291, 8030-01-381-5302. Verify interchangeability with system specifications before substitution.
Key specifications for 8030-01-252-7963: Rated Drying Time: 30.000 HOURS NOMINAL; Supplementary Features: 2 OUNCE IN 2-1/2 OUNCE CARTRIDGE OZ; Specification/standard Data: 81343-AMS3276 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD; Quantity Within Each Unit Package: 2.000 OUNCES OZ. 9 specifications are documented in the U.S. Government catalog.
Hazardous per DLA record (HMIC Y). 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.