NSN 4720-01-354-5322 · NIIN 013545322 · Part number 1977747-1
Northrop Grumman Systems Corporation · FSC 4720 — Hose and Flexible Tubing · FSG 47 — Pipe, Tubing, Hose, and Fittings · CAGE 03956
Government record, cited
NSN 4720-01-354-5322 — this item is cataloged by the U.S. Government under National Stock Number 4720-01-354-5322. Manufacturer of record part number: 1977747-1.
Also searched as4720-01-354-5322 ·
4720013545322 ·
NIIN 013545322 ·
01-354-5322 ·
FSC 4720 Hose and Flexible Tubing · CAGE 03956 · 1977747-1 · PE42942-500 · 1977574 · 1977574 ITEM 45
Operating Pressure: 2500.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LOCATION NOT OTHERWISE SPECIFIED LBS
Inside Diameter: 1.500 INCHES NOMINAL IN
3 manufacturer part numbers on file
Manufacturer of record: Northrop Grumman Systems Corporation
Identification
NSN: 4720-01-354-5322
NIIN: 013545322
FSC: 4720 — Hose and Flexible Tubing
FSG: 47 — Pipe, Tubing, Hose, and Fittings
Primary part number: 1977747-1
Manufacturer: Northrop Grumman Systems Corporation
General Description
The Hose Assembly,nonmetallic, cataloged under National Stock Number 4720-01-354-5322, is classified within Federal Supply Class 4720 (Hose and Flexible Tubing) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is Northrop Grumman Systems Corporation. Government technical data includes 2 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 7 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
4720-01-354-5322
Primary Part Number
1977747-1
Item Name
Hose Assembly,nonmetallic
FSC / FSG
4720 / 47 — Hose and Flexible Tubing
Manufacturer
Northrop Grumman Systems Corporation
Status
ACTIVE
Operating Pressure
2500.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LOCATION NOT OTHERWISE SPECIFIED LBS
Inside Diameter
1.500 INCHES NOMINAL 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 Items7
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
4720-01-354-53231977747-2POSSIBLE MATCH
HOSE ASSEMBLY,NONMETALLIC
Possible match (shared part number)Northrop Grumman Systems Corporation
4720-01-354-90131977747-3POSSIBLE MATCH
HOSE ASSEMBLY,NONMETALLIC
Possible match (shared part number)Northrop Grumman Systems Corporation
4210-01-354-90141977747-8POSSIBLE MATCH
HOSE ASSEMBLY,NONMETALLIC,FIRE F
Possible match (shared part number)Northrop Grumman Systems Corporation
4820-01-498-84251858647 ITEM 27POSSIBLE MATCH
VALVE,BALL
Possible match (shared part number)Northrop Grumman Systems Corporation
4820-01-498-84421712C-1POSSIBLE MATCH
VALVE,CHECK
Possible match (shared part number)Kepner Products Co Div Kepner Products Company
4820-01-498-84591512C-1-65POSSIBLE MATCH
VALVE,CHECK
Possible match (shared part number)Kepner Products Co Div Kepner Products Company
4820-01-498-84811512C-1POSSIBLE MATCH
VALVE,CHECK
Possible match (shared part number)Kepner Products Co Div Kepner Products Company
NSN 4720-01-354-5322 is a Hose Assembly,nonmetallic, manufactured by Northrop Grumman Systems Corporation, classified under FSC 4720, Hose and Flexible Tubing. Status: active.
What part numbers are listed for NSN 4720-01-354-5322?
NSN 4720-01-354-5322 has 3 manufacturer part numbers on file: 1977747-1 (Northrop Grumman Systems Corporation), PE42942-500 (Northrop Grumman Systems Corporation), 1977574 ITEM 45 (Northrop Grumman Systems Corporation).
What NSN replaces 4720-01-354-5322?
7 possible matches (shared part number, not a government interchangeability claim): 4720-01-354-5323, 4720-01-354-9013, 4210-01-354-9014. Verify interchangeability with system specifications before substitution.
What are the specifications of 1977747-1?
Key specifications for 1977747-1: Operating Pressure: 2500.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LOCATION NOT OTHERWISE SPECIFIED LBS; Inside Diameter: 1.500 INCHES NOMINAL IN; End Item Identification: HPU ASSEMBLY,HYDRAULIC POWER UNIT-STEERING GEAR. 2 specifications are documented in the U.S. Government catalog.
Is NSN 4720-01-354-5322 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.