The Cap,hose, cataloged under National Stock Number 4730-01-109-8994, 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 Derbyshire Machine & Tool Co. Government technical data includes 6 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through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 5 items share a part number with this NSN in the catalog (possible match — not a government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 | 4730-01-109-8994 |
| Primary Part Number | 508-4674155 ITEM 5 |
| Item Name | Cap,hose |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Derbyshire Machine & Tool Co |
| Status | ACTIVE |
| Material Document and Classification | QQ-C-390,ALLOY D5,TYPE 3 FED SPEC SINGLE MATERIAL RESPONSE CAP |
| Thread Direction | RIGHT-HAND INTERNAL |
| Nominal Thread Size | 2.500 INCHES INTERNAL IN |
| Thread Quantity Per Inch | 7-1/2 INTERNAL |
| Material | COPPER ALLOY BODY |
| Material | PLASTIC POLYAMIDE NYLON CHAIN |
| 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 |
|---|---|
| 508-4674155 ITEM 5 PRIMARY | Derbyshire Machine & Tool Co (USA) |
| Reference | Meaning |
|---|---|
| 508-4674155 | D/9 Drawing number reference only U.S. Government activity |
| 2621-625-03 ASSEMBLY 21 | 5/2 Secondary reference U.S. Government activity |
| 508-4674155 ITEM 5 | 5/1 Secondary reference U.S. Government activity |
| 262162503-0021 | 5/2 Secondary reference U.S. Government activity |
| 2621-625-03 PIECE 21 | 5/9 Secondary reference U.S. Government activity |
| 2621-625-03 | D/9 Drawing number reference only U.S. Government activity |
NSN 4730-01-109-8994 is a Cap,hose, manufactured by Derbyshire Machine & Tool Co, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-109-8994 has 1 manufacturer part number on file: 508-4674155 ITEM 5 (Derbyshire Machine & Tool Co).
5 possible matches (shared part number, not a government interchangeability claim): 4820-01-130-1936, 4730-01-155-5771, 4820-01-356-4598. Verify interchangeability with system specifications before substitution.
Key specifications for 508-4674155 ITEM 5: Material Document and Classification: QQ-C-390,ALLOY D5,TYPE 3 FED SPEC SINGLE MATERIAL RESPONSE CAP; Thread Direction: RIGHT-HAND INTERNAL; Nominal Thread Size: 2.500 INCHES INTERNAL IN; Special Features: INCLUDES 1 GASKET,BUNA-N,1 CHAIN RING,PHOSPHOROUS BRONZE,2 CONNECTORS,BRONZE. 6 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.