The Flange,tank,assembl, cataloged under National Stock Number 4310-01-448-3141, is classified within Federal Supply Class 4310 (Compressors and Vacuum Pumps) of the Pumps and Compressors group. The manufacturer of record is Hydraulics International, Inc. Dba Hydraulics International Inc. Government technical data includes 2 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4310-01-448-3141 |
| Primary Part Number | 90229-256 |
| Item Name | Flange,tank,assembl |
| FSC / FSG | 4310 / 43 — Compressors and Vacuum Pumps |
| Manufacturer | Hydraulics International, Inc. Dba Hydraulics International Inc |
| Status | ACTIVE |
| Overall Diameter | 9.000 INCHES NOMINAL IN |
| General Characteristics Item Description | 6 THRU HOLES EQUALLY SPACED; 3,0 .190-24-2B HOLES ON 5.750 IN. BOLT CIRCLE;1,0.750-16UNF-3B HOLE CENTERED. 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 |
|---|---|
| 90229-256 PRIMARY | Hydraulics International, Inc. Dba Hydraulics International Inc (USA) |
NSN 4310-01-448-3141 is a Flange,tank,assembl, manufactured by Hydraulics International, Inc. Dba Hydraulics International Inc, classified under FSC 4310, Compressors and Vacuum Pumps. Status: active.
NSN 4310-01-448-3141 has 1 manufacturer part number on file: 90229-256 (Hydraulics International, Inc. Dba Hydraulics International Inc).
Key specifications for 90229-256: Overall Diameter: 9.000 INCHES NOMINAL IN; General Characteristics Item Description: 6 THRU HOLES EQUALLY SPACED; 3,0 .190-24-2B HOLES ON 5.750 IN. BOLT CIRCLE;1,0.750-16UNF-3B HOLE CENTERED. IN; Special Features: USED ON 4920-01-347-1666 EGW DEAERATION CART. PARTS ENCLUDED IN ASSEMBLY:WASHER MS35335-32,SCREW MS35206-265 PLATE 90229-254-1,SPACER 90229-257-1,FLANGE 90229-246-1;PACER SPECIAL; End Item Identification: SUPPORT EQUIPMENT, B-2 BOMBER. 2 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.