The Retainer,bonnet, cataloged under National Stock Number 4820-01-091-8125, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Naval Ship Systems Command. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-091-8125 |
| Primary Part Number | 803-2177142-5XX-9A |
| Item Name | Retainer,bonnet |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Naval Ship Systems Command |
| Status | ACTIVE |
| General Characteristics Item Description | CARBON STEEL PER ASTM-A-515,GRADE 70; RAISED FACE FLANGE TYPE,7.375 IN,5.371 IN. RAISED FACE OD; INTERNALLY THD BORE,4.375 IN.-8,RH,ACME THD SIZE 2G; 6 QTY OFHOLES 4 INTERNALLY THD HOLES 0.62S 0.625 IN.-11,UNC,RH THD SIZE SPACED ON 6.125 IN. BC DIA,2 INTERNALLY THD HOLES 0.750 IN. DEEP,0.625 IN.-11,UNC RH THD SIZE SPACED 6.125 IN. BC DIA; FLAT SEATING SURFACE; PART OF 5 IN. SIZE VALVE G |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 803-2177142-5XX-9A PRIMARY | Naval Ship Systems Command (USA) |
| 803-2177142 | Naval Ship Systems Command (USA) |
NSN 4820-01-091-8125 is a Retainer,bonnet, manufactured by Naval Ship Systems Command, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-01-091-8125 has 2 cross-referenced part numbers: 803-2177142-5XX-9A (Naval Ship Systems Command), 803-2177142 (Naval Ship Systems Command).
There are 10 known substitutes for 4820-01-091-8125: 4820-01-067-9924, 4820-01-091-2955, 4820-01-091-8124 and 7 more. Verify interchangeability with system specifications before substitution.
Key specifications for 803-2177142-5XX-9A: General Characteristics Item Description: CARBON STEEL PER ASTM-A-515,GRADE 70; RAISED FACE FLANGE TYPE,7.375 IN,5.371 IN. RAISED FACE OD; INTERNALLY THD BORE,4.375 IN.-8,RH,ACME THD SIZE 2G; 6 QTY OFHOLES 4 INTERNALLY THD HOLES 0.62S 0.625 IN.-11,UNC,RH THD SIZE SPACED ON 6.125 IN. BC DIA,2 INTERNALLY THD HOLES 0.750 IN. DEEP,0.625 IN.-11,UNC RH THD SIZE SPACED 6.125 IN. BC DIA; FLAT SEATING SURFACE; PART OF 5 IN. SIZE VALVE G. 1 total characteristics are documented in the Federal Logistics Information System.