PartsTable TECHNICAL DATA SHEET

JULY 2026Technical Data Sheet

3A6115O-Ring

Name: 3A6115
SKU: 5331-01-375-5778

Link-Belt Cranes, L.p., Lllp · NSN 5331-01-375-5778 · FSC 5331 · O-Ring

Verified by PartsTable

NSN 5331-01-375-5778 — this item is cataloged by the U.S. Government under National Stock Number 5331-01-375-5778. Primary manufacturer part number: 3A6115.

5331-01-375-5778 — O-Ring illustration

Features

O-Ring — FSC 5331
2 verified cross-references
Primary manufacturer: Link-Belt Cranes, L.p., Lllp

Applications

Fluid containment and leak prevention
Pressure boundary maintenance
Environmental sealing

General Description

The O-Ring, cataloged under National Stock Number 5331-01-375-5778, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Link-Belt Cranes, L.p., Lllp. This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts

Item Name	O-Ring
FSC / FSG	5331 — O-Ring (FSG 53)
Manufacturers	Link-Belt Cranes, L.p., Lllp (CAGE 2Y614); Dana Commercial Vehicle Products, Llc (CAGE 52304)

Technical Specifications

Parameter	Value
NSN	5331-01-375-5778
Primary Part Number	3A6115
Item Name	O-Ring
FSC / FSG	5331 / 53 — O-Ring
Manufacturer	Link-Belt Cranes, L.p., Lllp
Status	ACTIVE

Lifecycle & Compliance

Acquisition Status	ACTIVE
HAZMAT	No

⇄ Verified Substitutes 8

5935-00-201-3984 INTERCHANGEABLE

Connector,receptacle,electrical

3110-00-289-67888740359 INTERCHANGEABLE

Bearing,roller,needle

U S Army Tank Automotive Command Amsta-Im-Mm

4820-00-574-654410109-3 INTERCHANGEABLE

Valve,instrumentation

Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok

4130-00-939-9422C-305-S INTERCHANGEABLE

Filter-Drier,refrigerant

Parker-Hannifin Corp Div Sporlan Division

3020-01-197-9000CB27044-001 INTERCHANGEABLE

Gear Rack

Moog Inc. Dba Ampac-Isp Corp

5305-01-263-783916660 INTERCHANGEABLE

Screw,tapping

Crane Pumps & Systems Pft Corp Div Crane Pumps & System Pft Corp.

4720-01-487-470416660 INTERCHANGEABLE

Hose Assembly,nonmetallic

Haldex Brake Products Corporation

6515-01-589-9611242.814 INTERCHANGEABLE

Bone Plate

Depuy Synthes Sales Inc Dba Depuy Synthes Trauma Div Depuy Synthes Sales, Inc., D/b/a Depuy Synthes Trauma

Cross-Reference Index

Part Number	Manufacturer
3A6115 PRIMARY	Link-Belt Cranes, L.p., Lllp (USA)
16660	Dana Commercial Vehicle Products, Llc (USA)

Related Parts

5935-00-201-3984INTERCHANGEABLE

CONNECTOR,RECEPTACLE,ELECTRICAL

3110-00-289-6788INTERCHANGEABLE

BEARING,ROLLER,NEEDLE

8740359

4820-00-574-6544INTERCHANGEABLE

VALVE,INSTRUMENTATION

10109-3

4130-00-939-9422INTERCHANGEABLE

FILTER-DRIER,REFRIGERANT

C-305-S

3020-01-197-9000INTERCHANGEABLE

GEAR RACK

CB27044-001

5305-01-263-7839INTERCHANGEABLE

SCREW,TAPPING

16660

4720-01-487-4704INTERCHANGEABLE

HOSE ASSEMBLY,NONMETALLIC

16660

6515-01-589-9611INTERCHANGEABLE

BONE PLATE

242.814

Frequently Asked Questions

What is NSN 5331-01-375-5778?

NSN 5331-01-375-5778 is a O-Ring, manufactured by Link-Belt Cranes, L.p., Lllp, classified under FSC 5331 (O-Ring). Status: active.

What are the part numbers for NSN 5331-01-375-5778?

NSN 5331-01-375-5778 has 2 cross-referenced part numbers: 3A6115 (Link-Belt Cranes, L.p., Lllp), 16660 (Dana Commercial Vehicle Products, Llc).

What NSN replaces 5331-01-375-5778?

There are 8 known substitutes for 5331-01-375-5778: 5935-00-201-3984, 3110-00-289-6788, 4820-00-574-6544 and 5 more. Verify interchangeability with system specifications before substitution.

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

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