The Cap,filler Opening, cataloged under National Stock Number 2935-00-421-4534, is classified within Federal Supply Class 2935 (Engine System Cooling Components, Aircraft Prime Moving) of the Engine Accessories group. The manufacturer of record is Northrop Grumman Systems Corporation. Government technical data includes 2 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2935-00-421-4534 |
| Primary Part Number | 1128HM40086-11 |
| Item Name | Cap,filler Opening |
| FSC / FSG | 2935 / 29 — Engine System Cooling Components, Aircraft Prime Moving |
| Manufacturer | Northrop Grumman Systems Corporation |
| Status | ACTIVE |
| System for Which Designed | NONPRESSURIZED |
| Material | ALUMINUM ALLOY OVERALL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 1128HM40086-11 PRIMARY | Northrop Grumman Systems Corporation (USA) |
| Reference | Meaning |
|---|---|
| 1128HM40086-11 | 5/9 Secondary reference Northrop Grumman Systems Corporation |
| 1128HM40086 | D/9 Drawing number reference only Northrop Grumman Systems Corporation |
NSN 2935-00-421-4534 is a Cap,filler Opening, manufactured by Northrop Grumman Systems Corporation, classified under FSC 2935, Engine System Cooling Components, Aircraft Prime Moving. Status: active.
NSN 2935-00-421-4534 has 1 manufacturer part number on file: 1128HM40086-11 (Northrop Grumman Systems Corporation).
Key specifications for 1128HM40086-11: System for Which Designed: NONPRESSURIZED; Material: ALUMINUM ALLOY OVERALL. 2 specifications are documented in the U.S. Government catalog.
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 2935-00-421-4534 has DEMIL Code B. 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.