The Flange,pipe, cataloged under National Stock Number 4730-00-916-0299, 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 Rohr, Inc. Dba Rohr Industries Inc Div Rohr Inc., a Part of Collins Aerospace. Government technical data includes 15 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4730-00-916-0299 |
| Primary Part Number | 3P33550-101 |
| Item Name | Flange,pipe |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Rohr, Inc. Dba Rohr Industries Inc Div Rohr Inc., a Part of Collins Aerospace |
| Status | ACTIVE |
| Flange Diameter | 4.260 INCHES NOMINAL IN |
| Tube Outside Diameter for Which Designed | 0.250 INCHES NOMINAL IN |
| Flange Section Style | PLAIN FACE, LONG NECK |
| Style Designator | ROUND, ONE BOLT HOLE CIRCLE |
| Bolt Hole Diameter | 0.365 INCHES MINIMUM AND 0.385 INCHES MAXIMUM IN |
| Neck Height | 0.550 INCHES NOMINAL IN |
| Material Document and Classification | AMS5355 ASSN STD SINGLE MATERIAL RESPONSE |
| Nominal Thread Size | 0.438 INCHES IN |
| Bolt Hole Quantity | 6 |
| Bolt Circle Diameter | 3.500 INCHES NOMINAL IN |
| Screw Thread Series Designator | UNF |
| Thread Class | 3A A |
| Material | STEEL |
| Neck Diameter | 0.438 INCHES NOMINAL IN |
| Thickness | 0.170 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 3P33550-101 PRIMARY | Rohr, Inc. Dba Rohr Industries Inc Div Rohr Inc., a Part of Collins Aerospace (USA) |
| Reference | Meaning |
|---|---|
| 3P33550-101 | 5/9 Secondary reference U.S. Government activity |
NSN 4730-00-916-0299 is a Flange,pipe, manufactured by Rohr, Inc. Dba Rohr Industries Inc Div Rohr Inc., a Part of Collins Aerospace, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-00-916-0299 has 1 manufacturer part number on file: 3P33550-101 (Rohr, Inc. Dba Rohr Industries Inc Div Rohr Inc., a Part of Collins Aerospace).
Key specifications for 3P33550-101: Flange Diameter: 4.260 INCHES NOMINAL IN; Tube Outside Diameter for Which Designed: 0.250 INCHES NOMINAL IN; Flange Section Style: PLAIN FACE, LONG NECK; Style Designator: ROUND, ONE BOLT HOLE CIRCLE. 15 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.
NSN 4730-00-916-0299 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
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.