The Flange,seal Support, cataloged under National Stock Number 2590-00-503-1690, is classified within Federal Supply Class 2590 (Miscellaneous Vehicular Components) of the Vehicular Equipment Components group. The manufacturer of record is U S Army Tank Automotive Command Amsta-Im-Mm. Government technical data includes 1 specification, 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 | 2590-00-503-1690 |
| Primary Part Number | 10946786-1 |
| Item Name | Flange,seal Support |
| FSC / FSG | 2590 / 25 — Miscellaneous Vehicular Components |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| General Characteristics Item Description | STEEL 1008 TO 1020 SPEC QQ-S-698,34.250 IN. MIN,34.313 IN. MAX LG,1.500 IN. W,0.1943 IN. THK FLANGE,ONE END CUT AT 30.0 DEG. ANGLE,0.625 IN. DEEP BY 1.500 IN. LG,TWO SLOTS LOCATED ON FLANGE,THREE TABS 1.000 IN. SQUARE WELDED TO FLANGE,0.438 IN. MIN,0.469 IN. MAX DIA MTG HOLE ONE INCH TAB 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 |
|---|---|
| 10946786-1 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
NSN 2590-00-503-1690 is a Flange,seal Support, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 2590, Miscellaneous Vehicular Components. Status: active.
NSN 2590-00-503-1690 has 1 manufacturer part number on file: 10946786-1 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 10946786-1: General Characteristics Item Description: STEEL 1008 TO 1020 SPEC QQ-S-698,34.250 IN. MIN,34.313 IN. MAX LG,1.500 IN. W,0.1943 IN. THK FLANGE,ONE END CUT AT 30.0 DEG. ANGLE,0.625 IN. DEEP BY 1.500 IN. LG,TWO SLOTS LOCATED ON FLANGE,THREE TABS 1.000 IN. SQUARE WELDED TO FLANGE,0.438 IN. MIN,0.469 IN. MAX DIA MTG HOLE ONE INCH TAB IN. 1 specification is 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.