The Flange,pipe, cataloged under National Stock Number 4730-01-537-9088, 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 Skyspares Parts Inc. Government technical data includes 13 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-537-9088 |
| Primary Part Number | 36-5655-802 |
| Item Name | Flange,pipe |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Skyspares Parts Inc |
| Status | ACTIVE |
| Flange Diameter | 2.190 INCHES NOMINAL IN |
| Face Seating Surface Condition | MACHINED |
| Nominal Pipe Size for Which Designed | 1.820 INCHES IN |
| Flange Section Style | RAISED FACE, WELDING NECK |
| Style Designator | ROUND, NO BOLT HOLES |
| Material Document and Classification | QQ-S-763 AISI 321 COND A CLASS 321 FED SPEC SINGLE MATERIAL RESPONSE |
| Nominal Thread Size | 1.437 INCHES IN |
| Raised Face Diameter | 1.820 INCHES NOMINAL IN |
| Raised Face Height | 0.250 INCHES NOMINAL IN |
| Thread Class | 2B |
| Thread Quantity Per Inch | 18 |
| Material | STEEL COMP 321 |
| Thickness | 0.550 INCHES NOMINAL IN |
| 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 |
|---|---|
| 36-5655-802 PRIMARY | Skyspares Parts Inc (USA) |
| Reference | Meaning |
|---|---|
| 36-5655 | D/9 Drawing number reference only U.S. Government activity |
NSN 4730-01-537-9088 is a Flange,pipe, manufactured by Skyspares Parts Inc, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-537-9088 has 1 manufacturer part number on file: 36-5655-802 (Skyspares Parts Inc).
Key specifications for 36-5655-802: Flange Diameter: 2.190 INCHES NOMINAL IN; Face Seating Surface Condition: MACHINED; Nominal Pipe Size for Which Designed: 1.820 INCHES IN; Flange Section Style: RAISED FACE, WELDING NECK. 13 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.