The Screw,compression, cataloged under National Stock Number 5305-00-391-8403, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Ashcroft Inc Dba Heise. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-00-391-8403 |
| Primary Part Number | 81820 |
| Item Name | Screw,compression |
| FSC / FSG | 5305 / 53 — No Item Name Available |
| Manufacturer | Ashcroft Inc Dba Heise |
| Status | ACTIVE |
| General Characteristics Item Description | STEEL+ 0.562 IN. ID HOLE,1.125 IN. W ACROSS FLATS,1-1/8-12 UNF THD MALE,2.375 IN. THD LG,3 IN. O/A LG,HEX HEAD 0.328 IN. H IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 5305-00-391-8403 is a Screw,compression, manufactured by Ashcroft Inc Dba Heise, classified under FSC 5305 (No Item Name Available). Status: active.
NSN 5305-00-391-8403 has 3 cross-referenced part numbers: 81820 (Ashcroft Inc Dba Heise), 81820 (Wilt Precision Products), 89334 (Dresser, Inc. Dba Dresser Equipment Group Div Industrial Valve Operations, Dresse).
There are 4 known substitutes for 5305-00-391-8403: 5133-00-838-5300, 3740-01-371-6770, 5999-01-432-0880 and 1 more. Verify interchangeability with system specifications before substitution.
Key specifications for 81820: General Characteristics Item Description: STEEL+ 0.562 IN. ID HOLE,1.125 IN. W ACROSS FLATS,1-1/8-12 UNF THD MALE,2.375 IN. THD LG,3 IN. O/A LG,HEX HEAD 0.328 IN. H IN. 1 total characteristics are documented in the Federal Logistics Information System.