NSN 3120-00-392-0803 — this item is cataloged by the U.S. Government under National Stock Number 3120-00-392-0803. Manufacturer of record part number: 161400.
Body Outside Diameter: 1.4405 INCHES MINIMUM AND 1.4415 INCHES MAXIMUM IN
Style Designator: SOLID, PLAIN, NO OUTSIDE FLANGES
Body Inside Diameter: 1.1920 INCHES MINIMUM AND 1.1930 INCHES MAXIMUM IN
Material: CARBON OVERALL
1 manufacturer part number on file
Manufacturer of record: Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer
Identification
NSN: 3120-00-392-0803
NIIN: 003920803
FSC: 3120 — Bearings, Plain, Unmounted
FSG: 31 — Bearings
Primary part number: 161400
Manufacturer: Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer
General Description
The Bushing,sleeve, cataloged under National Stock Number 3120-00-392-0803, is classified within Federal Supply Class 3120 (Bearings, Plain, Unmounted) of the Bearings group. The manufacturer of record is Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer. Government technical data includes 5 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 7 items share a part number with this NSN in the catalog (possible match — not a government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
3120-00-392-0803
Primary Part Number
161400
Item Name
Bushing,sleeve
FSC / FSG
3120 / 31 — Bearings, Plain, Unmounted
Manufacturer
Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer
Status
ACTIVE
Corner Shape
SQUARE ALL CORNERS
Body Outside Diameter
1.4405 INCHES MINIMUM AND 1.4415 INCHES MAXIMUM IN
Style Designator
SOLID, PLAIN, NO OUTSIDE FLANGES
Body Inside Diameter
1.1920 INCHES MINIMUM AND 1.1930 INCHES MAXIMUM IN
Material
CARBON OVERALL
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.
2815-01-102-8561POSSIBLE MATCH
VALVE,POPPET,ENGINE
Possible match (shared part number)
5950-01-225-569611436892POSSIBLE MATCH
TRANSFORMER,POWER
Possible match (shared part number)Us Army Aviation and Missile Command
6640-01-241-68911614-00POSSIBLE MATCH
CABINET,DESICCATING
Possible match (shared part number)Terra Universal, Inc. Dba Terra Universal Inc
5310-01-282-3805POSSIBLE MATCH
WASHER,FLAT
Possible match (shared part number)
6810-01-314-66171638-01POSSIBLE MATCH
CHROMIUM TRIOXIDE
Possible match (shared part number)Avantor Performance Materials, Inc.
5977-01-325-296516380-1POSSIBLE MATCH
HOLDER ASSEMBLY,ELECTRICAL CONTA
Possible match (shared part number)Moog Inc.
4820-01-468-2703LV3-4ST-KFPOSSIBLE MATCH
VALVE,FLOW CONTROL
Possible match (shared part number)Inflation Systems, Inc. Dba Inflation Systems Inc
Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer (USA)
Reference documents
Reference
Meaning
163801
5/9Secondary reference
Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer
Related Parts
2815-01-102-8561POSSIBLE MATCH
VALVE,POPPET,ENGINE
5950-01-225-5696POSSIBLE MATCH
TRANSFORMER,POWER
11436892
6640-01-241-6891POSSIBLE MATCH
CABINET,DESICCATING
1614-00
5310-01-282-3805POSSIBLE MATCH
WASHER,FLAT
6810-01-314-6617POSSIBLE MATCH
CHROMIUM TRIOXIDE
1638-01
5977-01-325-2965POSSIBLE MATCH
HOLDER ASSEMBLY,ELECTRICAL CONTA
16380-1
4820-01-468-2703POSSIBLE MATCH
VALVE,FLOW CONTROL
LV3-4ST-KF
Frequently Asked Questions
What is NSN 3120-00-392-0803?
NSN 3120-00-392-0803 is a Bushing,sleeve, manufactured by Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer, classified under FSC 3120, Bearings, Plain, Unmounted. Status: active.
What part numbers are listed for NSN 3120-00-392-0803?
NSN 3120-00-392-0803 has 1 manufacturer part number on file: 161400 (Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer).
What NSN replaces 3120-00-392-0803?
7 possible matches (shared part number, not a government interchangeability claim): 2815-01-102-8561, 5950-01-225-5696, 6640-01-241-6891. Verify interchangeability with system specifications before substitution.
What are the specifications of 161400?
Key specifications for 161400: Corner Shape: SQUARE ALL CORNERS; Body Outside Diameter: 1.4405 INCHES MINIMUM AND 1.4415 INCHES MAXIMUM IN; Style Designator: SOLID, PLAIN, NO OUTSIDE FLANGES; Overall Length: 1.5000 INCHES NOMINAL IN. 5 specifications are documented in the U.S. Government catalog.
Is NSN 3120-00-392-0803 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.