NSN 4730-01-437-5998 · NIIN 014375998 · Part number 981 PCA .125IN
Armstrong International Inc Dba Armstrong Machine Works · FSC 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings · FSG 47 — Pipe, Tubing, Hose, and Fittings · CAGE 03933
Government record, cited
NSN 4730-01-437-5998 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-437-5998. Manufacturer of record part number: 981 PCA .125IN.
Also searched as4730-01-437-5998 ·
4730014375998 ·
NIIN 014375998 ·
01-437-5998 ·
FSC 4730 Hose, Pipe, Tube, Lubrication, and Railing Fittings · CAGE 03933 · 981 PCA .125IN · 1007
4730-01-437-5998 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
Features
Pressure Change Assembly — FSC 4730
1 manufacturer part number on file
Manufacturer of record: Armstrong International Inc Dba Armstrong Machine Works
Identification
NSN: 4730-01-437-5998
NIIN: 014375998
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
FSG: 47 — Pipe, Tubing, Hose, and Fittings
Primary part number: 981 PCA .125IN
Manufacturer: Armstrong International Inc Dba Armstrong Machine Works
General Description
The Pressure Change Assembly, cataloged under National Stock Number 4730-01-437-5998, 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 Armstrong International Inc Dba Armstrong Machine Works. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
Armstrong International Inc Dba Armstrong Machine Works (USA)
Reference documents
Reference
Meaning
1007
D/9Drawing number reference only
Armstrong International Inc Dba Armstrong Machine Works
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 4730-01-437-5998?
NSN 4730-01-437-5998 is a Pressure Change Assembly, manufactured by Armstrong International Inc Dba Armstrong Machine Works, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
What part numbers are listed for NSN 4730-01-437-5998?
NSN 4730-01-437-5998 has 1 manufacturer part number on file: 981 PCA .125IN (Armstrong International Inc Dba Armstrong Machine Works).
What are the specifications of 981 PCA .125IN?
Key specifications for 981 PCA .125IN: Special Features: INCLUDES VALVE SEAT, VALVE, VALVE RETAINER, LEVER, GUIDE PIN ASSEMBLY AND 2 SCREWS; End Item Identification: STRATEGIC SEALIFT CONVERSION SHIPS CLASS. 0 specifications are documented in the U.S. Government catalog.
Is NSN 4730-01-437-5998 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.