The Flange,pipe, cataloged under National Stock Number 4730-01-172-0627, 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 Air Armament Center/ En. 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. 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 | 4730-01-172-0627 |
| Primary Part Number | 757194 |
| Item Name | Flange,pipe |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Air Armament Center/ En |
| Status | ACTIVE |
| Flange Diameter | 2.870 INCHES NOMINAL IN |
| Face Seating Surface Condition | MACHINED |
| Nominal Pipe Size for Which Designed | 2.500 INCHES IN |
| Surface Treatment Document and Classification | MIL-A-8625,TYPE 2,CLASS 2,BLACK MIL SPEC SINGLE TREATMENT RESPONSE |
| Flange Section Style | PLAIN FACE, LONG NECK |
| Style Designator | ROUND, NO BOLT HOLES |
| Neck Height | 0.140 INCHES NOMINAL IN |
| Material Document and Classification | QQ-A-225/8,T6 FED SPEC SINGLE MATERIAL RESPONSE |
| Surface Treatment | ANODIZE |
| Material | ALUMINUM ALLOY 6061 |
| Neck Diameter | 2.580 INCHES NOMINAL IN |
| Thickness | 0.060 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 |
|---|---|
| 757194 PRIMARY | Air Armament Center/ En (USA) |
NSN 4730-01-172-0627 is a Flange,pipe, manufactured by Air Armament Center/ En, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-172-0627 has 1 manufacturer part number on file: 757194 (Air Armament Center/ En).
1 possible match (shared part number, not a government interchangeability claim): 5331-01-432-1382. Verify interchangeability with system specifications before substitution.
Key specifications for 757194: Flange Diameter: 2.870 INCHES NOMINAL IN; Face Seating Surface Condition: MACHINED; Nominal Pipe Size for Which Designed: 2.500 INCHES IN; Surface Treatment Document and Classification: MIL-A-8625,TYPE 2,CLASS 2,BLACK MIL SPEC SINGLE TREATMENT RESPONSE. 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.