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NSN 4730-01-268-2183Government record, cited

Inverted Nut, Tube Coupling4730-01-268-2183

NSN 4730-01-268-2183 · NIIN 012682183 · Part number 11603275
U S Army Tank Automotive Command Amsta-Im-Mm · FSC 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings · FSG 47 — Pipe, Tubing, Hose, and Fittings · CAGE 19207
Government record, cited
NSN 4730-01-268-2183 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-268-2183. Manufacturer of record part number: 11603275.
Also searched as  4730-01-268-2183 · 4730012682183 · NIIN 012682183 · 01-268-2183 · FSC 4730 Hose, Pipe, Tube, Lubrication, and Railing Fittings · CAGE 19207 · 11603275
Nearby stock numbers  ·
Features
  • Inverted Nut,tube Coupling — FSC 4730
  • Seat Angle in Deg: 33.0
  • Tube Outside Diameter for Which Designed: 0.625 INCHES NOMINAL IN
  • Style Designator: INVERTED NUT, TUBE, FLARE
  • Thread Direction: RIGHT-HAND
  • Casehardening Indicator: CASEHARDENED
  • Thread Size: 1.000-14
  • Screw Thread Series Designator: UNF
Identification
  • NSN: 4730-01-268-2183
  • NIIN: 012682183
  • FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
  • FSG: 47 — Pipe, Tubing, Hose, and Fittings
  • Primary part number: 11603275
  • Manufacturer: U S Army Tank Automotive Command Amsta-Im-Mm
General Description

The Inverted Nut,tube Coupling, cataloged under National Stock Number 4730-01-268-2183, 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 U S Army Tank Automotive Command Amsta-Im-Mm. Government technical data includes 10 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4730-01-268-2183
Primary Part Number11603275
Item NameInverted Nut,tube Coupling
FSC / FSG4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
ManufacturerU S Army Tank Automotive Command Amsta-Im-Mm
StatusACTIVE
Seat Angle in Deg33.0
Tube Outside Diameter for Which Designed0.625 INCHES NOMINAL IN
Style DesignatorINVERTED NUT, TUBE, FLARE
Thread DirectionRIGHT-HAND
Casehardening IndicatorCASEHARDENED
Thread Size1.000-14
Screw Thread Series DesignatorUNF
Thread Class2A A
MaterialSTEEL
Smallest Inside Diameter0.562 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
DEMIL CodeDEMIL A — No Demilitarization Required
HazardNo hazard code in the DLA record (HMIC N)
Criticality CodeX
Cross-Reference Index
Part NumberManufacturer
11603275 PRIMARY U S Army Tank Automotive Command Amsta-Im-Mm (USA)
No interchangeability data on file.
Other items in FSC 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4730-00-000-1895
4730-00-000-1895 · Item name not on file
4730-00-000-4289
4730-00-000-4289 · Item name not on file
4730-00-000-4445
4730-00-000-4445 · Item name not on file
4730-00-000-8373
4730-00-000-8373 · Item name not on file
4730-00-000-8897
4730-00-000-8897 · Item name not on file
4730-00-001-0007
4730-00-001-0007 · Item name not on file
4730-00-001-0008
COUPLING,TUBE
4730-00-001-0008
COUPLING,TUBE

Frequently Asked Questions

What is NSN 4730-01-268-2183?

NSN 4730-01-268-2183 is a Inverted Nut,tube Coupling, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.

What part numbers are listed for NSN 4730-01-268-2183?

NSN 4730-01-268-2183 has 1 manufacturer part number on file: 11603275 (U S Army Tank Automotive Command Amsta-Im-Mm).

What are the specifications of 11603275?

Key specifications for 11603275: Seat Angle in Deg: 33.0; Tube Outside Diameter for Which Designed: 0.625 INCHES NOMINAL IN; Style Designator: INVERTED NUT, TUBE, FLARE; Overall Length: 1.375 INCHES NOMINAL IN. 10 specifications are documented in the U.S. Government catalog.

Is NSN 4730-01-268-2183 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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