The Cap,filler Opening, cataloged under National Stock Number 2935-00-471-4492, is classified within Federal Supply Class 2935 (Engine System Cooling Components, Aircraft Prime Moving) of the Engine Accessories group. Government technical data includes 9 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 2935-00-471-4492 |
| Item Name | Cap,filler Opening |
| FSC / FSG | 2935 / 29 — Engine System Cooling Components, Aircraft Prime Moving |
| Status | ACTIVE |
| Accommodation Type | HANDLE END GRIPPING |
| Retaining Device Type | CHAIN |
| Style Designator | LOCKING TYPE VENTED, ANTI-SURGE |
| Filler Neck Diameter for Which Designed | 2.000 INCHES NOMINAL IN |
| Outside Diameter | 5.230 INCHES NOMINAL IN |
| Locking Device Type | INTEGRAL SELF LOCK |
| System for Which Designed | NONPRESSURIZED |
| Color | YELLOW |
| Material | ALUMINUM ALLOY OVERALL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 436-77 | 3/2 Design control — primary reference U.S. Government activity |
| 212-061-531-1 | 1/2 Source control — Government-approved source U.S. Government activity |
NSN 2935-00-471-4492 is a Cap,filler Opening, classified under FSC 2935, Engine System Cooling Components, Aircraft Prime Moving. Status: active.
2 possible matches (shared part number, not a government interchangeability claim): 3455-00-982-5113, 6680-01-113-7691. Verify interchangeability with system specifications before substitution.
Key specifications for 2935-00-471-4492: Overall Height: 2.900 INCHES MINIMUM AND 2.910 INCHES MAXIMUM IN; Accommodation Type: HANDLE END GRIPPING; Retaining Device Type: CHAIN; Style Designator: LOCKING TYPE VENTED, ANTI-SURGE. 9 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.
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.