NSN 4820-01-422-5166 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-422-5166. Manufacturer of record part number: 15-3509 VALVE PRIMING.
Manufacturer of record: Gardner Denver Nash Llc Dba Gardner Denver Engineered Products Group Div Gardner Denver Nash
Identification
NSN: 4820-01-422-5166
NIIN: 014225166
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 15-3509 VALVE PRIMING
Manufacturer: Gardner Denver Nash Llc Dba Gardner Denver Engineered Products Group Div Gardner Denver Nash
General Description
The Valve,float, cataloged under National Stock Number 4820-01-422-5166, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Gardner Denver Nash Llc Dba Gardner Denver Engineered Products Group Div Gardner Denver Nash. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 9 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
4820-01-422-5166
Primary Part Number
15-3509 VALVE PRIMING
Item Name
Valve,float
FSC / FSG
4820 / 48 — Valves, Nonpowered
Manufacturer
Gardner Denver Nash Llc Dba Gardner Denver Engineered Products Group Div Gardner Denver Nash
Status
ACTIVE
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL A — No Demilitarization Required
Hazard
No hazard code in the DLA record (HMIC N)
Criticality Code
X
⇄Related Items9
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
4730-01-424-090851990POSSIBLE MATCH
STRAINER,SEDIMENT
Possible match (shared part number)Spirax Sarco Inc Dba Spirax Sarco
4310-01-424-221145200SC57D000POSSIBLE MATCH
VACUUM PUMP,ROTARY
Possible match (shared part number)Gardner Denver Nash Llc Dba Gardner Denver Engineered Products Group Div Gardner Denver Nash
4320-01-424-2212U24-0107-RRPOSSIBLE MATCH
ROTOR,PUMP
Possible match (shared part number)Gardner Denver Nash Llc Dba Gardner Denver Engineered Products Group Div Gardner Denver Nash
4730-01-424-22391IN-TYPE BTPOSSIBLE MATCH
STRAINER,SEDIMENT
Possible match (shared part number)Spirax Sarco Inc Dba Spirax Sarco
4320-01-424-311315-2100-RGPOSSIBLE MATCH
CONE,PUMP
Possible match (shared part number)Gardner Denver Nash Llc Dba Gardner Denver Engineered Products Group Div Gardner Denver Nash
4820-01-424-6163UPF-7370POSSIBLE MATCH
VALVE,FLOAT
Possible match (shared part number)Gardner Denver Nash Llc Dba Gardner Denver Engineered Products Group Div Gardner Denver Nash
3040-01-424-6166POSSIBLE MATCH
SHAFT,SHOULDERED
Possible match (shared part number)
4730-01-424-7352UK-1525-UNPOSSIBLE MATCH
BUSHING,PIPE
Possible match (shared part number)Gardner Denver Nash Llc Dba Gardner Denver Engineered Products Group Div Gardner Denver Nash
6680-01-424-8033UGL-0017POSSIBLE MATCH
GLASS,LIQUID SIGHT INDICATOR,FLA
Possible match (shared part number)Gardner Denver Nash Llc Dba Gardner Denver Engineered Products Group Div Gardner Denver Nash
Gardner Denver Nash Llc Dba Gardner Denver Engineered Products Group Div Gardner Denver Nash (USA)
Reference documents
Reference
Meaning
U02S00SC5000 IT82
5/9Secondary reference
Gardner Denver Nash Llc Dba Gardner Denver Engineered Products Group Div Gardner Denver Nash
15-3509
5/1Secondary reference
Gardner Denver Nash Llc Dba Gardner Denver Engineered Products Group Div Gardner Denver Nash
Related Parts
4730-01-424-0908POSSIBLE MATCH
STRAINER,SEDIMENT
51990
4310-01-424-2211POSSIBLE MATCH
VACUUM PUMP,ROTARY
45200SC57D000
4320-01-424-2212POSSIBLE MATCH
ROTOR,PUMP
U24-0107-RR
4730-01-424-2239POSSIBLE MATCH
STRAINER,SEDIMENT
1IN-TYPE BT
4320-01-424-3113POSSIBLE MATCH
CONE,PUMP
15-2100-RG
4820-01-424-6163POSSIBLE MATCH
VALVE,FLOAT
UPF-7370
3040-01-424-6166POSSIBLE MATCH
SHAFT,SHOULDERED
4730-01-424-7352POSSIBLE MATCH
BUSHING,PIPE
UK-1525-UN
6680-01-424-8033POSSIBLE MATCH
GLASS,LIQUID SIGHT INDICATOR,FLA
UGL-0017
Frequently Asked Questions
What is NSN 4820-01-422-5166?
NSN 4820-01-422-5166 is a Valve,float, manufactured by Gardner Denver Nash Llc Dba Gardner Denver Engineered Products Group Div Gardner Denver Nash, classified under FSC 4820, Valves, Nonpowered. Status: active.
What part numbers are listed for NSN 4820-01-422-5166?
NSN 4820-01-422-5166 has 2 manufacturer part numbers on file: B520130010000 (Gardner Denver Nash Llc Dba Gardner Denver Engineered Products Group Div Gardner Denver Nash), 15-3509 VALVE PRIMING (Gardner Denver Nash Llc Dba Gardner Denver Engineered Products Group Div Gardner Denver Nash).
What NSN replaces 4820-01-422-5166?
9 possible matches (shared part number, not a government interchangeability claim): 4730-01-424-0908, 4310-01-424-2211, 4320-01-424-2212. Verify interchangeability with system specifications before substitution.
What are the specifications of 15-3509 VALVE PRIMING?
Key specifications for 15-3509 VALVE PRIMING: End Item Identification: 1.250 IPS, PRIMING VALVE. 0 specifications are documented in the U.S. Government catalog.
Is NSN 4820-01-422-5166 hazardous material?
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
Sources
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.