PartsTable TECHNICAL DATA SHEET

JULY 2026Technical Data Sheet

56511Seal,plain Encased

Name: 56511
SKU: 5330-00-055-3437

Parker Hannifin Corporation Div Hydraulic Systems Division · NSN 5330-00-055-3437 · FSC 5330 · No Item Name Available

Verified by PartsTable

NSN 5330-00-055-3437 — this item is cataloged by the U.S. Government under National Stock Number 5330-00-055-3437. Primary manufacturer part number: 56511.

5330-00-055-3437 — No Item Name Available illustration

Features

Seal,plain Encased — FSC 5330
3 verified cross-references
Primary manufacturer: Parker Hannifin Corporation Div Hydraulic Systems Division

Applications

Fluid containment and leak prevention
Pressure boundary maintenance
Environmental sealing

General Description

The Seal,plain Encased, cataloged under National Stock Number 5330-00-055-3437, is classified within Federal Supply Class 5330 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Parker Hannifin Corporation Div Hydraulic Systems Division. This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications

Parameter	Value
NSN	5330-00-055-3437
Primary Part Number	56511
Item Name	Seal,plain Encased
FSC / FSG	5330 / 53 — No Item Name Available
Manufacturer	Parker Hannifin Corporation Div Hydraulic Systems Division
Status	CANCELLED

Lifecycle & Compliance

Acquisition Status	CANCELLED
HAZMAT	No

⇄ Verified Substitutes 4

5815-00-125-5110 INTERCHANGEABLE

Plug,platen

3110-00-144-85470209896 INTERCHANGEABLE

Bearing,ball,annular

Agco Corp Parts Opn

5330-00-587-621664638 INTERCHANGEABLE

Seal,plain

Dana Automotive Systems Group, Llc Dba Dana Sealing Products

5950-00-836-6979 INTERCHANGEABLE

Transformer,audio Frequency

Cross-Reference Index

Part Number	Manufacturer
1-1160-3	Rexnord Industries, Llc Div Aerospace Solutions Downers Grove (USA)
95-106-931-000	Eaton Corporation Dba Eaton Inoac Div Eaton (USA)
56511 PRIMARY	Parker Hannifin Corporation Div Hydraulic Systems Division (USA)

Related Parts

5815-00-125-5110INTERCHANGEABLE

PLUG,PLATEN

3110-00-144-8547INTERCHANGEABLE

BEARING,BALL,ANNULAR

0209896

5330-00-587-6216INTERCHANGEABLE

SEAL,PLAIN

64638

5950-00-836-6979INTERCHANGEABLE

TRANSFORMER,AUDIO FREQUENCY

Frequently Asked Questions

What is NSN 5330-00-055-3437?

NSN 5330-00-055-3437 is a Seal,plain Encased, manufactured by Parker Hannifin Corporation Div Hydraulic Systems Division, classified under FSC 5330 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5330-00-055-3437?

NSN 5330-00-055-3437 has 3 cross-referenced part numbers: 1-1160-3 (Rexnord Industries, Llc Div Aerospace Solutions Downers Grove), 95-106-931-000 (Eaton Corporation Dba Eaton Inoac Div Eaton), 56511 (Parker Hannifin Corporation Div Hydraulic Systems Division).

What NSN replaces 5330-00-055-3437?

There are 4 known substitutes for 5330-00-055-3437: 5815-00-125-5110, 3110-00-144-8547, 5330-00-587-6216 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 56511?

Key specifications for 56511: End Item Identification: C-5 ACFT. 1 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5330-00-055-3437 still in active supply?

NSN 5330-00-055-3437 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.

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