NSN 3110-01-541-3930 — this item is cataloged by the U.S. Government under National Stock Number 3110-01-541-3930. Manufacturer of record part number: MT221132.
The Bearing Nut, cataloged under National Stock Number 3110-01-541-3930, is classified within Federal Supply Class 3110 (Bearings, Antifriction, Unmounted) of the Bearings group. The manufacturer of record is Marmon-Herrington Company. The record lists 3 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 5 items share a part number with this NSN in the catalog (possible match — not a government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
3110-01-541-3930
Primary Part Number
MT221132
Item Name
Bearing Nut
FSC / FSG
3110 / 31 — Bearings, Antifriction, Unmounted
Manufacturer
Marmon-Herrington Company
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 Items5
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
5340-01-546-9565MT93-1283POSSIBLE MATCH
CLIP,SPRING TENSION
Possible match (shared part number)Marmon-Herrington Company
5365-01-552-8471MT22-1102POSSIBLE MATCH
BUSHING,NONMETALLIC
Possible match (shared part number)Marmon-Herrington Company
5315-01-552-8473MT22-1107POSSIBLE MATCH
PIN,HOLLOW
Possible match (shared part number)Marmon-Herrington Company
5340-01-570-4599MT22-1176POSSIBLE MATCH
CAP-PLUG,PROTECTIVE,DUST AND MOI
Possible match (shared part number)Marmon-Herrington Company
5330-01-579-1504MT22-1205POSSIBLE MATCH
PACKING ASSEMBLY
Possible match (shared part number)Marmon-Herrington Company
General Dynamics Land Systems - Force Protection Inc. Dba Gdls Div Gdls-Fp
Related Parts
5340-01-546-9565POSSIBLE MATCH
CLIP,SPRING TENSION
MT93-1283
5365-01-552-8471POSSIBLE MATCH
BUSHING,NONMETALLIC
MT22-1102
5315-01-552-8473POSSIBLE MATCH
PIN,HOLLOW
MT22-1107
5340-01-570-4599POSSIBLE MATCH
CAP-PLUG,PROTECTIVE,DUST AND MOI
MT22-1176
5330-01-579-1504POSSIBLE MATCH
PACKING ASSEMBLY
MT22-1205
Frequently Asked Questions
What is NSN 3110-01-541-3930?
NSN 3110-01-541-3930 is a Bearing Nut, manufactured by Marmon-Herrington Company, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
What part numbers are listed for NSN 3110-01-541-3930?
NSN 3110-01-541-3930 has 3 manufacturer part numbers on file: MT221132 (Marmon-Herrington Company), 10013658 (General Dynamics Land Systems - Force Protection Inc. Dba Gdls Div Gdls-Fp), MAS12709 (Np Aerospace Limited).
What NSN replaces 3110-01-541-3930?
5 possible matches (shared part number, not a government interchangeability claim): 5340-01-546-9565, 5365-01-552-8471, 5315-01-552-8473. Verify interchangeability with system specifications before substitution.
What are the specifications of MT221132?
Key specifications for MT221132: Part Name Assigned by Controlling Agency: NUT,WHEEL BEARING; End Item Identification: AXLE HOUSING. 0 specifications are documented in the U.S. Government catalog.
Is NSN 3110-01-541-3930 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.