NSN 4730-00-577-9499 · NIIN 005779499 · Part number 90242-1
Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok · FSC 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings · FSG 47 — Pipe, Tubing, Hose, and Fittings · CAGE 28968
Government record, cited
NSN 4730-00-577-9499 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-577-9499. Manufacturer of record part number: 90242-1.
Also searched as4730-00-577-9499 ·
4730005779499 ·
NIIN 005779499 ·
00-577-9499 ·
FSC 4730 Hose, Pipe, Tube, Lubrication, and Railing Fittings · CAGE 28968 · 90242-1 · 10215896
Nearby stock numbers← 4730-00-577-8940
·
4730-00-577-9549 Tee, Pipe to Tube →
4730-00-577-9499 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
Features
Nut,union — FSC 4730
Thread Series: UNS
Thread Direction: RIGHT-HAND
Nut Diameter: 0.937 INCHES NOMINAL IN
Nut Height: 0.620 INCHES NOMINAL IN
Material: STEEL CORROSION RESISTING OVERALL
Smallest Inside Diameter: 0.580 INCHES NOMINAL IN
2 manufacturer part numbers on file
Identification
NSN: 4730-00-577-9499
NIIN: 005779499
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
FSG: 47 — Pipe, Tubing, Hose, and Fittings
Primary part number: 90242-1
Manufacturer: Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok
General Description
The Nut,union, cataloged under National Stock Number 4730-00-577-9499, 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 Instrumentation Technologies, Inc. Dba Hoke Gyrolok. Government technical data includes 6 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 4 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok (USA)
Related Parts
1630-00-780-6010POSSIBLE MATCH
RETAINER
9024-2-1
5365-01-601-8694POSSIBLE MATCH
SPACER,RING
902421
5985-01-647-2460POSSIBLE MATCH
WAVEGUIDE ASSEMBLY
5305-01-725-9053POSSIBLE MATCH
SCREW,MACHINE
90242-1
Frequently Asked Questions
What is NSN 4730-00-577-9499?
NSN 4730-00-577-9499 is a Nut,union, manufactured by Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
What part numbers are listed for NSN 4730-00-577-9499?
NSN 4730-00-577-9499 has 2 manufacturer part numbers on file: 10215896 (Us Army Aviation and Missile Command), 90242-1 (Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok).
What NSN replaces 4730-00-577-9499?
4 possible matches (shared part number, not a government interchangeability claim): 1630-00-780-6010, 5365-01-601-8694, 5985-01-647-2460. Verify interchangeability with system specifications before substitution.
What are the specifications of 90242-1?
Key specifications for 90242-1: Thread Series: UNS; Thread Direction: RIGHT-HAND; Nut Diameter: 0.937 INCHES NOMINAL IN; Nut Height: 0.620 INCHES NOMINAL IN. 6 specifications are documented in the U.S. Government catalog.
Is NSN 4730-00-577-9499 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.