The Safety Head Assy, cataloged under National Stock Number 4820-01-159-9757, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Bs&b Safety Systems Llc. Government technical data includes 3 verified specifications, 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. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-159-9757 |
| Primary Part Number | FA-7 10IN 150PSI CS |
| Item Name | Safety Head Assy |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Bs&b Safety Systems Llc |
| Status | ACTIVE |
| General Characteristics Item Description | ASSY FA-7,10 INCH,150 PSI,CARBON STEEL IN |
| Criticality Code Justification | ZZZY |
| Reference Number Differentiating Characteristics | MATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| FA-7 10IN 150PSI CS | Bs&b Safety Systems Llc (USA) |
| FA-7 | Bs&b Safety Systems Llc (USA) |
NSN 4820-01-159-9757 is a Safety Head Assy, manufactured by Bs&b Safety Systems Llc, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-01-159-9757 has 2 cross-referenced part numbers: FA-7 10IN 150PSI CS (Bs&b Safety Systems Llc), FA-7 (Bs&b Safety Systems Llc).
There is 1 known substitute for 4820-01-159-9757: 2940-00-904-8880. Verify interchangeability with system specifications before substitution.
Key specifications for FA-7 10IN 150PSI CS: General Characteristics Item Description: ASSY FA-7,10 INCH,150 PSI,CARBON STEEL IN; Criticality Code Justification: ZZZY; Reference Number Differentiating Characteristics: MATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS. 3 total characteristics are documented in the Federal Logistics Information System.