The Reducer,tube, cataloged under National Stock Number 4730-00-808-7875, 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 Federal Commercial Item Description Promulgated by General Services Administration Washington DC. Government technical data includes 12 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government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 | 4730-00-808-7875 |
| Primary Part Number | AA59444-14 |
| Item Name | Reducer,tube |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Federal Commercial Item Description Promulgated by General Services Administration Washington DC |
| Status | ACTIVE |
| Connection Style | PLAIN (TUBE) SECOND END |
| Connection Style | SOCKET (TUBE) FIRST END |
| Tubing Wall Nominal Thickness for Which Designed | 0.045 INCHES SECOND END IN |
| Tubing Wall Nominal Thickness for Which Designed | 0.050 INCHES FIRST END IN |
| Nominal Overall Length | 2.156 INCHES IN |
| Connection Type | UNTHREADED INTERNAL TUBE FIRST END |
| Connection Type | UNTHREADED EXTERNAL TUBE SECOND END |
| Material Document and Classification | WW-7-799,TYK OR L,CL 2 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Outside Diameter Tube Accommodated | 1.125 INCHES FIRST END IN |
| Nominal Outside Diameter Tube Accommodated | 0.875 INCHES SECOND END IN |
| Material | COPPER ALLOY OVERALL |
| Reducer Type | CONCENTRIC |
| 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 |
|---|---|
| AA59444-14 | Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA) |
| Reference | Meaning |
|---|---|
| MS35920-14 | 5/9 Secondary reference Mindeco Corp |
| PD15-410 | 5/9 Secondary reference Phelps Dodge Industries Inc Phelps Dodge Copper Products Co Div |
| A-A-59444 | 4/1 Identification reference Federal Commercial Item Description Promulgated by General Services Administration Washington DC |
| MS35920-14 | 5/9 Secondary reference U.S. Government activity |
| W1337 | 5/1 Secondary reference Mueller Brass Co. |
NSN 4730-00-808-7875 is a Reducer,tube, manufactured by Federal Commercial Item Description Promulgated by General Services Administration Washington DC, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-00-808-7875 has 1 manufacturer part number on file: AA59444-14 (Federal Commercial Item Description Promulgated by General Services Administration Washington DC).
4 possible matches (shared part number, not a government interchangeability claim): 4730-00-808-7878, 4730-00-808-7879, 4730-00-932-0969. Verify interchangeability with system specifications before substitution.
Key specifications for AA59444-14: Connection Style: PLAIN (TUBE) SECOND END; Connection Style: SOCKET (TUBE) FIRST END; Tubing Wall Nominal Thickness for Which Designed: 0.045 INCHES SECOND END IN; Tubing Wall Nominal Thickness for Which Designed: 0.050 INCHES FIRST END IN. 12 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.