General Characteristics Item Description: MATL-STEEL; T-HANDLE STYLE; HANDLE DIA 0.312 INCH; WORKING END - RADIUS 0.125 IN.,DIA 0.227 IN. MIN 0.228 IN. MAX,LG 2.375 IN. IN
Identification
NSN: 5120-00-375-7231
NIIN: 003757231
FSC: 5120 — Hand Tools, Nonedged, Nonpowered
FSG: 51 — Hand Tools
General Description
The Mandrel Assembly, cataloged under National Stock Number 5120-00-375-7231, is classified within Federal Supply Class 5120 (Hand Tools, Nonedged, Nonpowered) of the Hand Tools group. Government technical data includes 1 specification, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 5 items share a part number with this NSN in the catalog (possible match — not a government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
5120-00-375-7231
Item Name
Mandrel Assembly
FSC / FSG
5120 / 51 — Hand Tools, Nonedged, Nonpowered
Status
ACTIVE
General Characteristics Item Description
MATL-STEEL; T-HANDLE STYLE; HANDLE DIA 0.312 INCH; WORKING END - RADIUS 0.125 IN.,DIA 0.227 IN. MIN 0.228 IN. MAX,LG 2.375 IN. IN
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.
5330-00-526-768253A68C98-15POSSIBLE MATCH
PACKING,PREFORMED
Possible match (shared part number)Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
6645-01-180-377415716POSSIBLE MATCH
TIMER,SEQUENTIAL
Possible match (shared part number)Middleby Marshall Inc Conveyor Ovens and Mixers Div
5306-01-386-525315716POSSIBLE MATCH
BOLT,MACHINE
Possible match (shared part number)Clarke Power Services, Inc.
5330-01-495-804415-716POSSIBLE MATCH
GASKET
Possible match (shared part number)Rochester Sensors, Llc
5120-01-682-531515716POSSIBLE MATCH
KEY,SOCKET HEAD SCREW
Possible match (shared part number)Bondhus Corp
Cross-Reference Index
No manufacturer part numbers on file in the U.S. Government catalog.
Reference documents
Reference
Meaning
2300-794100ALTGPCT00L1-8
3/2Design control — primary reference
U.S. Government activity
1571-6
5/9Secondary reference
Danfoss Power Solutions II, Llc
Related Parts
5330-00-526-7682POSSIBLE MATCH
PACKING,PREFORMED
53A68C98-15
6645-01-180-3774POSSIBLE MATCH
TIMER,SEQUENTIAL
15716
5306-01-386-5253POSSIBLE MATCH
BOLT,MACHINE
15716
5330-01-495-8044POSSIBLE MATCH
GASKET
15-716
5120-01-682-5315POSSIBLE MATCH
KEY,SOCKET HEAD SCREW
15716
Frequently Asked Questions
What is NSN 5120-00-375-7231?
NSN 5120-00-375-7231 is a Mandrel Assembly, classified under FSC 5120, Hand Tools, Nonedged, Nonpowered. Status: active.
What NSN replaces 5120-00-375-7231?
5 possible matches (shared part number, not a government interchangeability claim): 5330-00-526-7682, 6645-01-180-3774, 5306-01-386-5253. Verify interchangeability with system specifications before substitution.
What are the specifications of 5120-00-375-7231?
Key specifications for 5120-00-375-7231: General Characteristics Item Description: MATL-STEEL; T-HANDLE STYLE; HANDLE DIA 0.312 INCH; WORKING END - RADIUS 0.125 IN.,DIA 0.227 IN. MIN 0.228 IN. MAX,LG 2.375 IN. IN. 1 specification is documented in the U.S. Government catalog.
Is NSN 5120-00-375-7231 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.