The Flange,exhaust Pipe, cataloged under National Stock Number 2990-00-356-1740, is classified within Federal Supply Class 2990 (No Item Name Available) of the Engine Accessories group. The primary manufacturer of record is Arnold a Semler Inc. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 2990-00-356-1740 |
| Primary Part Number | 121368 |
| Item Name | Flange,exhaust Pipe |
| FSC / FSG | 2990 / 29 — No Item Name Available |
| Manufacturer | Arnold a Semler Inc |
| Status | CANCELLED |
| Material | STEEL |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
NSN 2990-00-356-1740 is a Flange,exhaust Pipe, manufactured by Arnold a Semler Inc, classified under FSC 2990 (No Item Name Available). Status: cancelled.
NSN 2990-00-356-1740 has 4 cross-referenced part numbers: 121368 (Arnold a Semler Inc), 8332240 (U S Army Tank Automotive Command Amsta-Im-Mm), M11437 (Mancraft Industries Inc), H11437 (Mancraft Industries Inc).
There are 2 known substitutes for 2990-00-356-1740: 5310-00-982-4938, 4820-01-517-8976. Verify interchangeability with system specifications before substitution.
Key specifications for 121368: Material: STEEL; Special Features: PAINTED BLACK;2.063 IN. O/A LG;ONE END:1.906 IN. OD,1.688 IN. ID;OTHER END THD INTERNAL 1.625-12 UN THD,0.375 THD LGTH;TWO HOLES 0.218 IN. DIA SPACED 180 DEG APART,LOCATED 0.750 IN. FROM UNTHD END TO CTR,W/CHAIN AND COTTER PIN;10.500 IN. O/A LG;6.500 IN. LGTH OF CHAIN;4.000 IN. LG COTTER PIN IN. 2 total characteristics are documented in the Federal Logistics Information System.
NSN 2990-00-356-1740 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.