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NSN 4730-00-552-4892Government record, cited

Fitting, Seat Interlock4730-00-552-4892

NSN 4730-00-552-4892 · NIIN 005524892 · Part number 272S2000331-003
Lockheed Martin Corporation Div Rotary and Mission Systems · FSC 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings · FSG 47 — Pipe, Tubing, Hose, and Fittings · CAGE 38597
Government record, cited
NSN 4730-00-552-4892 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-552-4892. Manufacturer of record part number: 272S2000331-003.
Also searched as  4730-00-552-4892 · 4730005524892 · NIIN 005524892 · 00-552-4892 · FSC 4730 Hose, Pipe, Tube, Lubrication, and Railing Fittings · CAGE 38597 · 272S2000331-003
Nearby stock numbers  ·
Features
  • Fitting,seat Interlock — FSC 4730
  • General Characteristics Item Description: STEEL,QQ-S-763 303 CONDITION A,2.360 IN. O/A LG,0.750 IN. O/A DIA,2 EXTERNALLY THREADED ENDS PER MS33656E4 IN
  • 1 manufacturer part number on file
  • Manufacturer of record: Lockheed Martin Corporation Div Rotary and Mission Systems
Identification
  • NSN: 4730-00-552-4892
  • NIIN: 005524892
  • FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
  • FSG: 47 — Pipe, Tubing, Hose, and Fittings
  • Primary part number: 272S2000331-003
  • Manufacturer: Lockheed Martin Corporation Div Rotary and Mission Systems
General Description

The Fitting,seat Interlock, cataloged under National Stock Number 4730-00-552-4892, 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 Lockheed Martin Corporation Div Rotary and Mission Systems. Government technical data includes 1 specification, 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
NSN4730-00-552-4892
Primary Part Number272S2000331-003
Item NameFitting,seat Interlock
FSC / FSG4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
ManufacturerLockheed Martin Corporation Div Rotary and Mission Systems
StatusACTIVE
General Characteristics Item DescriptionSTEEL,QQ-S-763 303 CONDITION A,2.360 IN. O/A LG,0.750 IN. O/A DIA,2 EXTERNALLY THREADED ENDS PER MS33656E4 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
272S2000331-003 PRIMARY Lockheed Martin Corporation Div Rotary and Mission Systems (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 4730-00-552-4892?

NSN 4730-00-552-4892 is a Fitting,seat Interlock, manufactured by Lockheed Martin Corporation Div Rotary and Mission Systems, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.

What part numbers are listed for NSN 4730-00-552-4892?

NSN 4730-00-552-4892 has 1 manufacturer part number on file: 272S2000331-003 (Lockheed Martin Corporation Div Rotary and Mission Systems).

What are the specifications of 272S2000331-003?

Key specifications for 272S2000331-003: General Characteristics Item Description: STEEL,QQ-S-763 303 CONDITION A,2.360 IN. O/A LG,0.750 IN. O/A DIA,2 EXTERNALLY THREADED ENDS PER MS33656E4 IN; End Item Identification: AIRCRAFT MODEL B57. 1 specification is documented in the U.S. Government catalog.

Is NSN 4730-00-552-4892 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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