PartsTable TECHNICAL DATA SHEET

NSN 3110-01-320-9377Government record, cited

Bearing, Roller, Cylindrical3110-01-320-9377

NSN 3110-01-320-9377 · NIIN 013209377 · Part number 21681

Parker-Hannifin Corporation Dba Service and Support Operation Div Services and Support Operations · FSC 3110 — Bearings, Antifriction, Unmounted · FSG 31 — Bearings · CAGE 59211

Government record, cited

NSN 3110-01-320-9377 — this item is cataloged by the U.S. Government under National Stock Number 3110-01-320-9377. Manufacturer of record part number: 21681.

Also searched as 3110-01-320-9377 · 3110013209377 · NIIN 013209377 · 01-320-9377 · FSC 3110 Bearings, Antifriction, Unmounted · CAGE 59211 · 21681 · 61681

Nearby stock numbers ← 3110-01-320-9376 Bearing, Roller, Cylindrical · 3110-01-320-9378 Bearing, Ball, Rod End →

3110-01-320-9377 — Bearings, Antifriction, Unmounted

Features

Bearing,roller,cylindrical — FSC 3110
1 manufacturer part number on file
Manufacturer of record: Parker-Hannifin Corporation Dba Service and Support Operation Div Services and Support Operations

Identification

NSN: 3110-01-320-9377
NIIN: 013209377
FSC: 3110 — Bearings, Antifriction, Unmounted
FSG: 31 — Bearings
Primary part number: 21681
Manufacturer: Parker-Hannifin Corporation Dba Service and Support Operation Div Services and Support Operations

General Description

The Bearing,roller,cylindrical, cataloged under National Stock Number 3110-01-320-9377, is classified within Federal Supply Class 3110 (Bearings, Antifriction, Unmounted) of the Bearings group. The manufacturer of record is Parker-Hannifin Corporation Dba Service and Support Operation Div Services and Support Operations. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 5 items share a part number with this NSN in the catalog (possible match — not a government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	3110-01-320-9377
Primary Part Number	21681
Item Name	Bearing,roller,cylindrical
FSC / FSG	3110 / 31 — Bearings, Antifriction, Unmounted
Manufacturer	Parker-Hannifin Corporation Dba Service and Support Operation Div Services and Support Operations
Status	ACTIVE

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 Items 5

Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.

3010-01-371-1467OKC 292.1/21681 POSSIBLE MATCH

COUPLING,SHAFT,RIGID

Possible match (shared part number)Skf Usa Inc Dba Skf Usa Inc

6685-01-527-944721681 POSSIBLE MATCH

TRANSMITTER,TEMPERATURE,ELECTRIC

Possible match (shared part number)Rdf Corporation

5930-01-553-543721681 POSSIBLE MATCH

SWITCH,TOGGLE

Possible match (shared part number)Sensata Technologies, Inc. Div Sensata Attleboro

6515-01-592-87822530-02823 POSSIBLE MATCH

BAG,MEDICAL EQUIPMENT

Possible match (shared part number)Bound Tree Medical Llc Div Bound Tree Medical

5365-01-678-276121681 POSSIBLE MATCH

SPACER,SLEEVE

Possible match (shared part number)Stanley Black & Decker, Inc. Dba Stanley Hydraulic Tools Div Stanley Hydraulic Tools

Cross-Reference Index

Part Number	Manufacturer
21681 PRIMARY	Parker-Hannifin Corporation Dba Service and Support Operation Div Services and Support Operations (USA)

Reference documents

Reference	Meaning
21681	5/9 Secondary reference Regal Beloit America, Inc. Dba Rollway Bearing
21681	5/9 Secondary reference Kaydon Corporation Dba Kaydon Corp
21681	5/9 Secondary reference Mpb Corporation Dba Mpb Corp
61681	5/2 Secondary reference U.S. Government activity
21681	1/2 Source control — Government-approved source U.S. Government activity

Related Parts

3010-01-371-1467POSSIBLE MATCH

COUPLING,SHAFT,RIGID

OKC 292.1/21681

6685-01-527-9447POSSIBLE MATCH

TRANSMITTER,TEMPERATURE,ELECTRIC

21681

5930-01-553-5437POSSIBLE MATCH

SWITCH,TOGGLE

21681

6515-01-592-8782POSSIBLE MATCH

BAG,MEDICAL EQUIPMENT

2530-02823

5365-01-678-2761POSSIBLE MATCH

SPACER,SLEEVE

21681

Frequently Asked Questions

What is NSN 3110-01-320-9377?

NSN 3110-01-320-9377 is a Bearing,roller,cylindrical, manufactured by Parker-Hannifin Corporation Dba Service and Support Operation Div Services and Support Operations, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.

What part numbers are listed for NSN 3110-01-320-9377?

NSN 3110-01-320-9377 has 1 manufacturer part number on file: 21681 (Parker-Hannifin Corporation Dba Service and Support Operation Div Services and Support Operations).

What NSN replaces 3110-01-320-9377?

5 possible matches (shared part number, not a government interchangeability claim): 3010-01-371-1467, 6685-01-527-9447, 5930-01-553-5437. Verify interchangeability with system specifications before substitution.

What are the specifications of 21681?

Key specifications for 21681: End Item Identification: PACER SPECIAL. 0 specifications are documented in the U.S. Government catalog.

Is NSN 3110-01-320-9377 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.

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