NSN 4730-01-173-4163 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-173-4163. Manufacturer of record part number: 999D0594 PIECE 31.
The Cup,grease, cataloged under National Stock Number 4730-01-173-4163, is classified within Federal Supply Class 4730 (Hose, Pipe, Tube, Lubrication, and Railing Fittings) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is Circor Naval Solutions Llc Dba Warren Pumps. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
C/1Advisory reference — outside the item-of-supply concept
Gits Mfg Co Inc
999D0594
D/9Drawing number reference only
Circor Naval Solutions Llc Dba Warren Pumps
Related Parts
4320-01-173-4193POSSIBLE MATCH
HEAD,THRUST BEARING
706B0135C040A
4320-01-173-4194POSSIBLE MATCH
CAP,BEARING PUMP
653B0006C040A
4320-01-173-4195POSSIBLE MATCH
HEAD,HYDRAULIC MOTOR-PUMP
704B0090C040A
4730-01-173-8366POSSIBLE MATCH
PLUG,PIPE
937Z0051
Frequently Asked Questions
What is NSN 4730-01-173-4163?
NSN 4730-01-173-4163 is a Cup,grease, manufactured by Circor Naval Solutions Llc Dba Warren Pumps, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
What part numbers are listed for NSN 4730-01-173-4163?
NSN 4730-01-173-4163 has 1 manufacturer part number on file: 999D0594 PIECE 31 (Circor Naval Solutions Llc Dba Warren Pumps).
What NSN replaces 4730-01-173-4163?
4 possible matches (shared part number, not a government interchangeability claim): 4320-01-173-4193, 4320-01-173-4194, 4320-01-173-4195. Verify interchangeability with system specifications before substitution.
Is NSN 4730-01-173-4163 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.