The Seal Lip,hatch, cataloged under National Stock Number 1680-01-679-6099, is classified within Federal Supply Class 1680 (Miscellaneous Aircraft Accessories and Components) of the Aircraft Components and Accessories group. The manufacturer of record is Volumatic Inc Dba Volumatic Inc. The record lists 8 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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.
| Item Name | Seal Lip,hatch |
| FSC / FSG | 1680 — Miscellaneous Aircraft Accessories and Components (FSG 16) |
| Manufacturers | Volumatic Inc Dba Volumatic Inc (CAGE 1P642); D-J Engineering Inc Dba D-J Engineering Inc (CAGE 0C7H8); Aero Components, Llc (CAGE 59213); Fmw, Inc. (CAGE 1QJK4); Infinity Fabrication, Inc. (CAGE 06DM5) |
| Parameter | Value |
|---|---|
| NSN | 1680-01-679-6099 |
| Primary Part Number | 4-3929-521 |
| Item Name | Seal Lip,hatch |
| FSC / FSG | 1680 / 16 — Miscellaneous Aircraft Accessories and Components |
| Manufacturer | Volumatic Inc Dba Volumatic Inc |
| Status | ACTIVE |
| 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 |
|---|---|
| 4-3929-521 | Volumatic Inc Dba Volumatic Inc (USA) |
| 4-3929-521 | D-J Engineering Inc Dba D-J Engineering Inc (USA) |
| 4-3929-521 | Aero Components, Llc (USA) |
| 4-3929-521 | Fmw, Inc. (USA) |
| 4-3929-521 | Infinity Fabrication, Inc. (USA) |
| 4-3929-521 | Camnetics Manufacturing Corporation (USA) |
| 4-3929-521 | Malones Cnc Machining Inc (USA) |
| 4-3929-521 | Nordam Group Llc, the Div Nordam (USA) |
| Reference | Meaning |
|---|---|
| 4-3929-521 | 3/2 Design control — primary reference U.S. Government activity |
NSN 1680-01-679-6099 is a Seal Lip,hatch, manufactured by Volumatic Inc Dba Volumatic Inc, classified under FSC 1680, Miscellaneous Aircraft Accessories and Components. Status: active.
NSN 1680-01-679-6099 has 8 manufacturer part numbers on file: 4-3929-521 (Volumatic Inc Dba Volumatic Inc), 4-3929-521 (D-J Engineering Inc Dba D-J Engineering Inc), 4-3929-521 (Aero Components, Llc), 4-3929-521 (Fmw, Inc.), 4-3929-521 (Infinity Fabrication, Inc.) and 3 more.
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 1680-01-679-6099 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.