Material Document and Classification: QQ-C-390 FED SPEC ALL MATERIAL RESPONSES OVERALL
Diameter: 2.5000 INCHES NOMINAL IN
Outside Diameter: 4.3750 INCHES NOMINAL IN
Material: COPPER ALLOY 910 OR COPPER ALLOY 932 OR COPPER ALLOY 934 OR COPPER ALLOY 938 OR COPPER ALLOY 940 OR COPPER ALLOY 943 OVERALL
Identification
NSN: 3120-01-239-3600
NIIN: 012393600
FSC: 3120 — Bearings, Plain, Unmounted
FSG: 31 — Bearings
General Description
The Bearing,washer,thrust, cataloged under National Stock Number 3120-01-239-3600, is classified within Federal Supply Class 3120 (Bearings, Plain, Unmounted) of the Bearings group. Government technical data includes 5 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
3120-01-239-3600
Item Name
Bearing,washer,thrust
FSC / FSG
3120 / 31 — Bearings, Plain, Unmounted
Status
ACTIVE
Overall Thickness
0.1250 INCHES NOMINAL IN
Material Document and Classification
QQ-C-390 FED SPEC ALL MATERIAL RESPONSES OVERALL
Diameter
2.5000 INCHES NOMINAL IN
Outside Diameter
4.3750 INCHES NOMINAL IN
Material
COPPER ALLOY 910 OR COPPER ALLOY 932 OR COPPER ALLOY 934 OR COPPER ALLOY 938 OR COPPER ALLOY 940 OR COPPER ALLOY 943 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
Cross-Reference Index
No manufacturer part numbers on file in the U.S. Government catalog.
Reference documents
Reference
Meaning
542-521-76 PIECE 30
3/9Design control — primary reference
Merritt-Chapman and Scott Corp New York Shipbuilding Co Div
A0E2-521-2183583 30
5/9Secondary reference
U.S. Government activity
No interchangeability data on file.
Other items in FSC 3120 — Bearings, Plain, Unmounted
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
3120-00-001-1288
3120-00-001-1288 · Item name not on file
3120-00-001-1835
3120-00-001-1835 · Item name not on file
3120-00-001-1838
3120-00-001-1838 · Item name not on file
3120-00-001-1928
3120-00-001-1928 · Item name not on file
3120-00-001-1934
3120-00-001-1934 · Item name not on file
3120-00-001-3933
3120-00-001-3933 · Item name not on file
3120-00-001-3937
3120-00-001-3937 · Item name not on file
3120-00-001-3938
3120-00-001-3938 · Item name not on file
Frequently Asked Questions
What is NSN 3120-01-239-3600?
NSN 3120-01-239-3600 is a Bearing,washer,thrust, classified under FSC 3120, Bearings, Plain, Unmounted. Status: active.
What are the specifications of 3120-01-239-3600?
Key specifications for 3120-01-239-3600: Overall Thickness: 0.1250 INCHES NOMINAL IN; Material Document and Classification: QQ-C-390 FED SPEC ALL MATERIAL RESPONSES OVERALL; Diameter: 2.5000 INCHES NOMINAL IN; Outside Diameter: 4.3750 INCHES NOMINAL IN. 5 specifications are documented in the U.S. Government catalog.
Is NSN 3120-01-239-3600 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.