The Cap,filler Opening, cataloged under National Stock Number 2930-01-588-7500, is classified within Federal Supply Class 2930 (Engine Cooling System Components, Nonaircraft) of the Engine Accessories group. The manufacturer of record is Perko Inc. Government technical data includes 4 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2930-01-588-7500 |
| Primary Part Number | 0577D00CHR |
| Item Name | Cap,filler Opening |
| FSC / FSG | 2930 / 29 — Engine Cooling System Components, Nonaircraft |
| Manufacturer | Perko Inc |
| Status | ACTIVE |
| Style Designator | VENTED, ANTI-SURGE TYPE |
| Filler Neck Diameter for Which Designed | 2.000 INCHES NOMINAL IN |
| System for Which Designed | NONPRESSURIZED |
| 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 |
| Part Number | Manufacturer |
|---|---|
| 0577D00CHR PRIMARY | Perko Inc (USA) |
NSN 2930-01-588-7500 is a Cap,filler Opening, manufactured by Perko Inc, classified under FSC 2930, Engine Cooling System Components, Nonaircraft. Status: active.
NSN 2930-01-588-7500 has 1 manufacturer part number on file: 0577D00CHR (Perko Inc).
Key specifications for 0577D00CHR: Style Designator: VENTED, ANTI-SURGE TYPE; Filler Neck Diameter for Which Designed: 2.000 INCHES NOMINAL IN; System for Which Designed: NONPRESSURIZED; Special Features: MAT; MARINIUM ALLOY, INTERGRAL TANK VENT W/FLAME ARRESTOR; DECK PLATE KEY, O-RING AND INTEGRAL RETAINER ON CAP INCLUDED; GROUND REQUIRED; FOR FUEL HOSE 2 INCH; FOR VENT HOSE; 5/8INCH; SCREW SIZE NUMBER 8 IN. 4 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.