The Flange,pipe, cataloged under National Stock Number 4730-00-835-4575, 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 Us Army Aviation and Missile Command. 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 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-00-835-4575 |
| Primary Part Number | 10106977 |
| Item Name | Flange,pipe |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Us Army Aviation and Missile Command |
| Status | ACTIVE |
| Face Seating Surface Condition | MACHINED |
| Nominal Pipe Size for Which Designed | 1.250 INCHES IN |
| Flange Section Style | PLAIN FACE, LONG NECK |
| Style Designator | SQUARE, ONE BOLT HOLE CIRCLE |
| Bolt Hole Diameter | 0.170 INCHES MINIMUM AND 0.177 INCHES MAXIMUM IN |
| Neck Height | 1.812 INCHES NOMINAL IN |
| Material Document and Classification | QQ-S-763,CLASS 304,COND A FED SPEC SINGLE MATERIAL RESPONSE |
| Bolt Hole Quantity | 4 |
| Bolt Circle Diameter | 1.000 INCHES NOMINAL IN |
| Flange Width | 1.875 INCHES NOMINAL IN |
| Material | STEEL CORROSION RESISTING |
| Neck Diameter | 1.240 INCHES MINIMUM AND 1.260 INCHES MAXIMUM IN |
| Thickness | 0.188 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 |
|---|---|
| 10106977 PRIMARY | Us Army Aviation and Missile Command (USA) |
NSN 4730-00-835-4575 is a Flange,pipe, manufactured by Us Army Aviation and Missile Command, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-00-835-4575 has 1 manufacturer part number on file: 10106977 (Us Army Aviation and Missile Command).
1 possible match (shared part number, not a government interchangeability claim): 3040-01-206-9200. Verify interchangeability with system specifications before substitution.
Key specifications for 10106977: Face Seating Surface Condition: MACHINED; Nominal Pipe Size for Which Designed: 1.250 INCHES IN; Flange Section Style: PLAIN FACE, LONG NECK; Style Designator: SQUARE, ONE BOLT HOLE CIRCLE. 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.