NSN 4820-01-182-9241 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-182-9241. Manufacturer of record part number: NK-979-1.
The Holder,valve, cataloged under National Stock Number 4820-01-182-9241, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Midwood Development Corp. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 5 items share a part number with this NSN in the catalog (possible match — not a government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
4820-01-182-9241
Primary Part Number
NK-979-1
Item Name
Holder,valve
FSC / FSG
4820 / 48 — Valves, Nonpowered
Manufacturer
Midwood Development Corp
Status
ACTIVE
General Characteristics Item Description
BRASS
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 Items5
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
4820-01-182-9242POSSIBLE MATCH
LINK,VALVE
Possible match (shared part number)
5342-01-182-9243POSSIBLE MATCH
CLEVIS,VALVE,TRIP
Possible match (shared part number)
3040-01-182-9496POSSIBLE MATCH
LEVER,REMOTE CONTROL
Possible match (shared part number)
5340-01-184-7858POSSIBLE MATCH
SEAT,HELICAL COMPRESSION SPRING
Possible match (shared part number)
4730-01-706-6198NP415POSSIBLE MATCH
REPAIR KIT,PIPE,EMERGENCY DAMAGE
Possible match (shared part number)Csc Operating Company Llc
NSN 4820-01-182-9241 is a Holder,valve, manufactured by Midwood Development Corp, classified under FSC 4820, Valves, Nonpowered. Status: active.
What part numbers are listed for NSN 4820-01-182-9241?
NSN 4820-01-182-9241 has 1 manufacturer part number on file: NK-979-1 (Midwood Development Corp).
What NSN replaces 4820-01-182-9241?
5 possible matches (shared part number, not a government interchangeability claim): 4820-01-182-9242, 5342-01-182-9243, 3040-01-182-9496. Verify interchangeability with system specifications before substitution.
What are the specifications of NK-979-1?
Key specifications for NK-979-1: General Characteristics Item Description: BRASS. 1 specification is documented in the U.S. Government catalog.
Is NSN 4820-01-182-9241 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.