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NSN 4730-01-201-8325Government record, cited

Tailpiece, Union4730-01-201-8325

NSN 4730-01-201-8325 · NIIN 012018325
FSC 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings · FSG 47 — Pipe, Tubing, Hose, and Fittings
Government record, cited
Also searched as  4730-01-201-8325 · 4730012018325 · NIIN 012018325 · 01-201-8325 · FSC 4730 Hose, Pipe, Tube, Lubrication, and Railing Fittings · 021-001-183-1 · 021-001-183
Nearby stock numbers  ·
Features
  • Tailpiece,union — FSC 4730
  • Flange Thickness: 0.188 INCHES NOMINAL IN
  • End Connection Type: THREADED
  • Seat Type: GASKET
  • Thread Direction: RIGHT-HAND
  • Thread Size: 7/16-20
  • Screw Thread Series Designator: UNF
  • Screw Thread Location: EXTERNAL
Identification
  • NSN: 4730-01-201-8325
  • NIIN: 012018325
  • FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
  • FSG: 47 — Pipe, Tubing, Hose, and Fittings
General Description

The Tailpiece,union, cataloged under National Stock Number 4730-01-201-8325, is classified within Federal Supply Class 4730 (Hose, Pipe, Tube, Lubrication, and Railing Fittings) of the Pipe, Tubing, Hose, and Fittings group. Government technical data includes 9 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government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.

Technical Specifications
ParameterValue
NSN4730-01-201-8325
Item NameTailpiece,union
FSC / FSG4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
StatusACTIVE
Flange Thickness0.188 INCHES NOMINAL IN
End Connection TypeTHREADED
Seat TypeGASKET
Thread DirectionRIGHT-HAND
Thread Size7/16-20
Screw Thread Series DesignatorUNF
Screw Thread LocationEXTERNAL
MaterialSTEEL COMP 304L
Flange Outside Diameter0.906 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
DEMIL CodeDEMIL A — No Demilitarization Required
HazardNo hazard code in the DLA record (HMIC N)
Criticality CodeX
⇄ Related Items 4
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
4730-01-201-8326021-001-183-2 POSSIBLE MATCH
TAILPIECE,UNION
Possible match (shared part number)Kahn and Company, Incorporated
4730-01-311-0243021-001-183-3 POSSIBLE MATCH
TAILPIECE,UNION
Possible match (shared part number)Kahn and Company, Incorporated
4730-01-311-0244021-001-183-4 POSSIBLE MATCH
TAILPIECE,UNION
Possible match (shared part number)Kahn and Company, Incorporated
4730-01-311-0247021-001-183-6 POSSIBLE MATCH
TAILPIECE,UNION
Possible match (shared part number)Kahn and Company, Incorporated
Cross-Reference Index
No manufacturer part numbers on file in the U.S. Government catalog.
Reference documents
ReferenceMeaning
021-001-183-1 3/2 Design control — primary reference
U.S. Government activity
021-001-183 D/9 Drawing number reference only
U.S. Government activity
Related Parts
4730-01-201-8326POSSIBLE MATCH
TAILPIECE,UNION
021-001-183-2
4730-01-311-0243POSSIBLE MATCH
TAILPIECE,UNION
021-001-183-3
4730-01-311-0244POSSIBLE MATCH
TAILPIECE,UNION
021-001-183-4
4730-01-311-0247POSSIBLE MATCH
TAILPIECE,UNION
021-001-183-6

Frequently Asked Questions

What is NSN 4730-01-201-8325?

NSN 4730-01-201-8325 is a Tailpiece,union, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.

What NSN replaces 4730-01-201-8325?

4 possible matches (shared part number, not a government interchangeability claim): 4730-01-201-8326, 4730-01-311-0243, 4730-01-311-0244. Verify interchangeability with system specifications before substitution.

What are the specifications of 4730-01-201-8325?

Key specifications for 4730-01-201-8325: Flange Thickness: 0.188 INCHES NOMINAL IN; End Connection Type: THREADED; Overall Length: 1.312 INCHES NOMINAL IN; Seat Type: GASKET. 9 specifications are documented in the U.S. Government catalog.

Is NSN 4730-01-201-8325 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.
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