NSN 4320-01-322-1217 · NIIN 013221217 · Part number 1977621
Northrop Grumman Systems Corporation · FSC 4320 — Power and Hand Pumps · FSG 43 — Pumps and Compressors · CAGE 03956
Government record, cited
NSN 4320-01-322-1217 — this item is cataloged by the U.S. Government under National Stock Number 4320-01-322-1217. Manufacturer of record part number: 1977621.
Also searched as4320-01-322-1217 ·
4320013221217 ·
NIIN 013221217 ·
01-322-1217 ·
FSC 4320 Power and Hand Pumps · CAGE 03956 · 1977621 · PE42092
General Characteristics Item Description: TANK CAPACITY-168 GAL,FULL LEVEL 135 GAL,LOW LEVEL 10 GAL
2 manufacturer part numbers on file
Manufacturer of record: Northrop Grumman Systems Corporation
Identification
NSN: 4320-01-322-1217
NIIN: 013221217
FSC: 4320 — Power and Hand Pumps
FSG: 43 — Pumps and Compressors
Primary part number: 1977621
Manufacturer: Northrop Grumman Systems Corporation
General Description
The Reservoir,hydraulic, cataloged under National Stock Number 4320-01-322-1217, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Northrop Grumman Systems Corporation. Government technical data includes 1 specification, 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. 3 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
4320-01-322-1217
Primary Part Number
1977621
Item Name
Reservoir,hydraulic
FSC / FSG
4320 / 43 — Power and Hand Pumps
Manufacturer
Northrop Grumman Systems Corporation
Status
ACTIVE
General Characteristics Item Description
TANK CAPACITY-168 GAL,FULL LEVEL 135 GAL,LOW LEVEL 10 GAL
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 Items3
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
4820-01-325-81511716C-1-5POSSIBLE MATCH
VALVE,CHECK
Possible match (shared part number)Kepner Products Co Div Kepner Products Company
4820-01-326-07961977621 ITEM 11POSSIBLE MATCH
VALVE,SAFETY RELIEF
Possible match (shared part number)Northrop Grumman Systems Corporation
4820-01-326-0840FXEALAN 11POSSIBLE MATCH
VALVE,CALIBRATED FLOW
Possible match (shared part number)Sun Hydraulics Corporation
NSN 4320-01-322-1217 is a Reservoir,hydraulic, manufactured by Northrop Grumman Systems Corporation, classified under FSC 4320, Power and Hand Pumps. Status: active.
What part numbers are listed for NSN 4320-01-322-1217?
NSN 4320-01-322-1217 has 2 manufacturer part numbers on file: PE42092 (Curtiss-Wright Flow Control Corporation Dba Enertech Div Curtiss-Wright Flow Control), 1977621 (Northrop Grumman Systems Corporation).
What NSN replaces 4320-01-322-1217?
3 possible matches (shared part number, not a government interchangeability claim): 4820-01-325-8151, 4820-01-326-0796, 4820-01-326-0840. Verify interchangeability with system specifications before substitution.
What are the specifications of 1977621?
Key specifications for 1977621: General Characteristics Item Description: TANK CAPACITY-168 GAL,FULL LEVEL 135 GAL,LOW LEVEL 10 GAL; End Item Identification: STEERING GEAR. 1 specification is documented in the U.S. Government catalog.
Is NSN 4320-01-322-1217 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.