NSN 3120-01-321-9772 — this item is cataloged by the U.S. Government under National Stock Number 3120-01-321-9772. Manufacturer of record part number: 5186873-2.
Surface Treatment Document and Classification: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
Overall Thickness: 0.2550 INCHES MINIMUM AND 0.2650 INCHES MAXIMUM IN
Style Designator: ROUND
Material Document and Classification: MIL-T-8504 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
Identification
NSN: 3120-01-321-9772
NIIN: 013219772
FSC: 3120 — Bearings, Plain, Unmounted
FSG: 31 — Bearings
Primary part number: 5186873-2
Manufacturer: Naval Sea Systems Command
General Description
The Bearing,washer,thrust, cataloged under National Stock Number 3120-01-321-9772, is classified within Federal Supply Class 3120 (Bearings, Plain, Unmounted) of the Bearings group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 13 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
3120-01-321-9772
Primary Part Number
5186873-2
Item Name
Bearing,washer,thrust
FSC / FSG
3120 / 31 — Bearings, Plain, Unmounted
Manufacturer
Naval Sea Systems Command
Status
ACTIVE
Surface Finish
32.0 MICROINCHES RIGHT SIDE
Surface Finish
32.0 MICROINCHES LEFT SIDE
Corner Shape
SQUARE ALL CORNERS
Surface Treatment Document and Classification
QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
Overall Thickness
0.2550 INCHES MINIMUM AND 0.2650 INCHES MAXIMUM IN
Style Designator
ROUND
Material Document and Classification
MIL-T-8504 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
Diameter
0.7900 INCHES MINIMUM AND 0.8000 INCHES MAXIMUM IN
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 3120-01-321-9772?
NSN 3120-01-321-9772 is a Bearing,washer,thrust, manufactured by Naval Sea Systems Command, classified under FSC 3120, Bearings, Plain, Unmounted. Status: active.
What part numbers are listed for NSN 3120-01-321-9772?
NSN 3120-01-321-9772 has 2 manufacturer part numbers on file: 5186873-2 (Raytheon Company), 5186873-2 (Naval Sea Systems Command).
What are the specifications of 5186873-2?
Key specifications for 5186873-2: Surface Finish: 32.0 MICROINCHES RIGHT SIDE; Surface Finish: 32.0 MICROINCHES LEFT SIDE; Corner Shape: SQUARE ALL CORNERS; Surface Treatment Document and Classification: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL. 13 specifications are documented in the U.S. Government catalog.
Is NSN 3120-01-321-9772 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.