The Cap,tube, cataloged under National Stock Number 4730-00-697-4505, is classified within Federal Supply Class 4730 (Hose, Pipe, Tube, Lubrication, and Railing Fittings) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer. Government technical data includes 10 specifications, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-00-697-4505 |
| Primary Part Number | QZ52C |
| Item Name | Cap,tube |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer |
| Status | ACTIVE |
| Connection Style | GASKET SEAL |
| Tube Outside Diameter for Which Designed | 0.312 INCHES NOMINAL IN |
| Style Designator | CAP |
| Thread Direction | RIGHT-HAND INTERNAL |
| Nominal Thread Size | 0.500 INCHES INTERNAL IN |
| Seat Angle | 45.0 DEGREES |
| Thread Class | 2B INTERNAL |
| Thread Quantity Per Inch | 20 INTERNAL |
| Material | COPPER ALLOY OVERALL |
| Thread Series Designator | UNF INTERNAL |
| 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 |
|---|---|
| 2299868 | General Motors Corp (USA) |
| QZ52C PRIMARY | Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer (USA) |
| 411452 | Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer (USA) |
| 8327842 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| Reference | Meaning |
|---|---|
| 4730006974505 | 5/9 Secondary reference E.c.a Etablissement Centrald'approvisionnement Des Forces Armee |
| 956436 | 5/9 Secondary reference Sasco Inc Canadian Div |
| E2322 | 5/9 Secondary reference Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer |
| 560E17 | 5/9 Secondary reference Diamond Reo Truck Co |
| 2299868 | 5/9 Secondary reference Military Vehicles Opn General Motors Truck and Bus Group Ms 2603-02 |
| 2299868 | C/1 Advisory reference — outside the item-of-supply concept General Motors Llc Dba General Motors Llc |
NSN 4730-00-697-4505 is a Cap,tube, manufactured by Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-00-697-4505 has 4 manufacturer part numbers on file: 2299868 (General Motors Corp), QZ52C (Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer), 411452 (Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer), 8327842 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for QZ52C: Connection Style: GASKET SEAL; Tube Outside Diameter for Which Designed: 0.312 INCHES NOMINAL IN; Style Designator: CAP; Thread Direction: RIGHT-HAND INTERNAL. 10 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.