The Sealing Compound, cataloged under National Stock Number 8030-01-121-0027, is classified within Federal Supply Class 8030 (Preservative and Sealing Compounds) of the Brushes, Paints, Sealers, and Adhesives group. The manufacturer of record is Schnee-Morehead Inc. Government technical data includes 7 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 5 items share a part number with this NSN in the catalog (possible match — not a government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 | 8030-01-121-0027 |
| Primary Part Number | ISOCRYL 5601 1643 |
| Item Name | Sealing Compound |
| FSC / FSG | 8030 / 80 — Preservative and Sealing Compounds |
| Manufacturer | Schnee-Morehead Inc |
| Status | ACTIVE |
| Supplementary Features | 30 FOOT ROLL FT |
| Quantity Within Each Unit Package | 30.000 FEET FT |
| Physical Form | TAPE |
| Color | BLACK |
| Specific Usage Design | FOR BONDING TO METALS, WOOD, GLASS AND PLASTICS |
| Environmental Attribute Code | LOW VOLATILE ORGANIC COMPOUND - HOUSEHOLD CONSUMER PRODUCTS |
| Material | RUBBER SYNTHETIC |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Hazardous per DLA record (HMIC Y) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 5601 BLACK 1/2 IN | Boeing Distribution Services Inc (AUS) |
| ISOCRYL 5601 1643 PRIMARY | Schnee-Morehead Inc (USA) |
| Reference | Meaning |
|---|---|
| 5601-3 | 5/9 Secondary reference Schnee-Morehead Inc |
| 8030PL1668000 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| 8030PL0843137 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| P6196-3 | 5/9 Secondary reference U.S. Government activity |
NSN 8030-01-121-0027 is a Sealing Compound, manufactured by Schnee-Morehead Inc, classified under FSC 8030, Preservative and Sealing Compounds. Status: active.
NSN 8030-01-121-0027 has 2 manufacturer part numbers on file: 5601 BLACK 1/2 IN (Boeing Distribution Services Inc), ISOCRYL 5601 1643 (Schnee-Morehead Inc).
5 possible matches (shared part number, not a government interchangeability claim): 3510-01-147-5515, 5950-01-196-2062, 6685-01-250-1948. Verify interchangeability with system specifications before substitution.
Key specifications for ISOCRYL 5601 1643: Supplementary Features: 30 FOOT ROLL FT; Quantity Within Each Unit Package: 30.000 FEET FT; Physical Form: TAPE; Color: BLACK. 7 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.