4730-00-366-7277 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
Features
Insert,reducer — FSC 4730
General Characteristics Item Description: STEEL INSERT TO ADAPT 3 IN. UNTHD INTERNALPIPE CONNECTION TO 2 IN. UNTHD EXTERNAL PIPE CONNECTION,SOCKET WELD,3000 PSI IN
Identification
NSN: 4730-00-366-7277
NIIN: 003667277
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
FSG: 47 — Pipe, Tubing, Hose, and Fittings
General Description
The Insert,reducer, cataloged under National Stock Number 4730-00-366-7277, 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 1 specification, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government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.
STEEL INSERT TO ADAPT 3 IN. UNTHD INTERNALPIPE CONNECTION TO 2 IN. UNTHD EXTERNAL PIPE CONNECTION,SOCKET WELD,3000 PSI 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.
6635-01-075-5324B-510POSSIBLE MATCH
LIGHT,ULTRAVIOLET,METALS EXAMINI
Possible match (shared part number)Shannon Luminous Materials Inc
6105-01-293-2497POSSIBLE MATCH
MOTOR,ALTERNATING CURRENT
Possible match (shared part number)
5998-01-486-6087B510POSSIBLE MATCH
CIRCUIT CARD ASSEMBLY
Possible match (shared part number)Lockheed Martin Corp Dba Lockheed Martin Div Mst - Eagan
3445-01-671-7660SW-503POSSIBLE MATCH
PUNCHING AND SHEARING MACHINE,ME
Possible match (shared part number)Baileigh Industrial Holdings, Llc Div Jpw Industries Holding Corporation
Cross-Reference Index
No manufacturer part numbers on file in the U.S. Government catalog.
Reference documents
Reference
Meaning
SW503
3/1Design control — primary reference
Flowserve Inc
B510
5/9Secondary reference
Flowserve Inc
Related Parts
6635-01-075-5324POSSIBLE MATCH
LIGHT,ULTRAVIOLET,METALS EXAMINI
B-510
6105-01-293-2497POSSIBLE MATCH
MOTOR,ALTERNATING CURRENT
5998-01-486-6087POSSIBLE MATCH
CIRCUIT CARD ASSEMBLY
B510
3445-01-671-7660POSSIBLE MATCH
PUNCHING AND SHEARING MACHINE,ME
SW-503
Frequently Asked Questions
What is NSN 4730-00-366-7277?
NSN 4730-00-366-7277 is a Insert,reducer, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
What NSN replaces 4730-00-366-7277?
4 possible matches (shared part number, not a government interchangeability claim): 6635-01-075-5324, 6105-01-293-2497, 5998-01-486-6087. Verify interchangeability with system specifications before substitution.
What are the specifications of 4730-00-366-7277?
Key specifications for 4730-00-366-7277: General Characteristics Item Description: STEEL INSERT TO ADAPT 3 IN. UNTHD INTERNALPIPE CONNECTION TO 2 IN. UNTHD EXTERNAL PIPE CONNECTION,SOCKET WELD,3000 PSI IN. 1 specification is documented in the U.S. Government catalog.
Is NSN 4730-00-366-7277 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.