The Doorstop, cataloged under National Stock Number 5340-01-133-0631, is classified within Federal Supply Class 5340 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Ellison Bronze Inc. Government technical data includes 4 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: AY.
| Parameter | Value |
|---|---|
| NSN | 5340-01-133-0631 |
| Primary Part Number | 139B-3 |
| Item Name | Doorstop |
| FSC / FSG | 5340 / 53 — No Item Name Available |
| Manufacturer | Ellison Bronze Inc |
| Status | ACTIVE |
| Material | COPPER ALLOY HOUSING |
| Material | STEEL ROD |
| Special Test Features | STOP IS FILLED WITH MIL-H-17572 HYDRAULIC FLUID AND IS USED TO CONTROL THE CLOSING SPEED OF THE DOOR |
| Supplementary Features | CAST SILICONE BRONZE HOUSING, STEEL PISTON WITH HARDENED ROD |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Unit of Issue | AY |
| Part Number | Manufacturer |
|---|---|
| 139B-3 PRIMARY | Ellison Bronze Inc (USA) |
| 139B ITEM3 | Ellison Bronze Inc (USA) |
| 139B-45-172 | Zf Industrieantriebe Witten Gmbh (DEU) |
| 139B-45-172L/R | Ellison Bronze Inc (USA) |
| 5184129 PIECE 8 | Naval Sea Systems Command (USA) |
| 139-3 PRIMARY | Ellison Bronze Inc (USA) |
| 139G-45-172 | Zf Industrieantriebe Witten Gmbh (DEU) |
NSN 5340-01-133-0631 is a Doorstop, manufactured by Ellison Bronze Inc, classified under FSC 5340 (No Item Name Available). Status: active.
NSN 5340-01-133-0631 has 7 cross-referenced part numbers: 139B-3 (Ellison Bronze Inc), 139B ITEM3 (Ellison Bronze Inc), 139B-45-172 (Zf Industrieantriebe Witten Gmbh), 139B-45-172L/R (Ellison Bronze Inc), 5184129 PIECE 8 (Naval Sea Systems Command) and 2 more.
There are 12 known substitutes for 5340-01-133-0631: 5950-00-250-1708, 5915-00-376-9009, 5815-00-602-7073 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for 139B-3: Material: COPPER ALLOY HOUSING; Part Name Assigned by Controlling Agency: DOOR CHECK; Special Features: NON-HANDED ITEM; Material: STEEL ROD. 6 total characteristics are documented in the Federal Logistics Information System.