General Characteristics Item Description: COPPER ALLOY; 3.220 IN. O/A LG; WRENCHING SURFACE ACROSS FLATS 0.875 IN. 1.000 IN. OD; CYLINDRICAL SURFACE HAS 4 0.250 IN. HOLES EQUALLY SPACED ON PERIPHERY IN
Identification
NSN: 4820-00-468-0163
NIIN: 004680163
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
General Description
The Plug,check Valve, cataloged under National Stock Number 4820-00-468-0163, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. Government technical data includes 1 specification, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government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
4820-00-468-0163
Item Name
Plug,check Valve
FSC / FSG
4820 / 48 — Valves, Nonpowered
Status
ACTIVE
General Characteristics Item Description
COPPER ALLOY; 3.220 IN. O/A LG; WRENCHING SURFACE ACROSS FLATS 0.875 IN. 1.000 IN. OD; CYLINDRICAL SURFACE HAS 4 0.250 IN. HOLES EQUALLY SPACED ON PERIPHERY IN
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 Items4
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
4720-00-494-938820543POSSIBLE MATCH
HOSE,PREFORMED
Possible match (shared part number)Gates Corporation
5365-01-229-550920543POSSIBLE MATCH
BUSHING,MACHINE THREAD
Possible match (shared part number)Real-Time Laboratories, Llc
5330-01-340-685332487 PIECE 9POSSIBLE MATCH
SEAL,PLAIN
Possible match (shared part number)Allied Systems Company Dba Allied Systems Co
5315-01-391-950620-543POSSIBLE MATCH
PIN,STRAIGHT,HEADLESS
Possible match (shared part number)Goodrich Corporation Div Collins Aerospace, Landing Systems (wheels & Brakes)
Cross-Reference Index
No manufacturer part numbers on file in the U.S. Government catalog.
Reference documents
Reference
Meaning
20-543
3/9Design control — primary reference
Hardie-Tynes Co., Inc.
Related Parts
4720-00-494-9388POSSIBLE MATCH
HOSE,PREFORMED
20543
5365-01-229-5509POSSIBLE MATCH
BUSHING,MACHINE THREAD
20543
5330-01-340-6853POSSIBLE MATCH
SEAL,PLAIN
32487 PIECE 9
5315-01-391-9506POSSIBLE MATCH
PIN,STRAIGHT,HEADLESS
20-543
Frequently Asked Questions
What is NSN 4820-00-468-0163?
NSN 4820-00-468-0163 is a Plug,check Valve, classified under FSC 4820, Valves, Nonpowered. Status: active.
What NSN replaces 4820-00-468-0163?
4 possible matches (shared part number, not a government interchangeability claim): 4720-00-494-9388, 5365-01-229-5509, 5330-01-340-6853. Verify interchangeability with system specifications before substitution.
What are the specifications of 4820-00-468-0163?
Key specifications for 4820-00-468-0163: General Characteristics Item Description: COPPER ALLOY; 3.220 IN. O/A LG; WRENCHING SURFACE ACROSS FLATS 0.875 IN. 1.000 IN. OD; CYLINDRICAL SURFACE HAS 4 0.250 IN. HOLES EQUALLY SPACED ON PERIPHERY IN. 1 specification is documented in the U.S. Government catalog.
Is NSN 4820-00-468-0163 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.