NSN 2520-01-651-9998 · NIIN 016519998 · Part number SF31RBJS
Machine Service, Inc. Dba Machine Service Inc · FSC 2520 — Vehicular Power Transmission Components · FSG 25 — Vehicular Equipment Components · CAGE 7J132
Government record, cited
NSN 2520-01-651-9998 — this item is cataloged by the U.S. Government under National Stock Number 2520-01-651-9998. Manufacturer of record part number: SF31RBJS.
Also searched as2520-01-651-9998 ·
2520016519998 ·
NIIN 016519998 ·
01-651-9998 ·
FSC 2520 Vehicular Power Transmission Components · CAGE 7J132 · SF31RBJS
Manufacturer of record: Machine Service, Inc. Dba Machine Service Inc
Identification
NSN: 2520-01-651-9998
NIIN: 016519998
FSC: 2520 — Vehicular Power Transmission Components
FSG: 25 — Vehicular Equipment Components
Primary part number: SF31RBJS
Manufacturer: Machine Service, Inc. Dba Machine Service Inc
General Description
The Flange,companion,vehicular Unive, cataloged under National Stock Number 2520-01-651-9998, is classified within Federal Supply Class 2520 (Vehicular Power Transmission Components) of the Vehicular Equipment Components group. The manufacturer of record is Machine Service, Inc. Dba Machine Service Inc. 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. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
2520-01-651-9998
Primary Part Number
SF31RBJS
Item Name
Flange,companion,vehicular Unive
FSC / FSG
2520 / 25 — Vehicular Power Transmission Components
Manufacturer
Machine Service, Inc. Dba Machine Service Inc
Status
ACTIVE
Hub Spline Quantity
10
Hub Type
STRAIGHT SPLINE HUB
Hub Bore Diameter
1.700 INCHES NOMINAL IN
Flange Type
ROUND W/HOLES
Flange Length
3.875 INCHES IN
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL A — No Demilitarization Required
Hazard
Possible hazard — SDS may be required (DLA HMIC P)
Machine Service, Inc. Dba Machine Service Inc (USA)
No interchangeability data on file.
Other items in FSC 2520 — Vehicular Power Transmission Components
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
2520-00-000-3976
2520-00-000-3976 · Item name not on file
2520-00-000-8852
2520-00-000-8852 · Item name not on file
2520-00-000-9292
2520-00-000-9292 · Item name not on file
2520-00-001-0011
2520-00-001-0011 · Item name not on file
2520-00-001-3397
2520-00-001-3397 · Item name not on file
2520-00-001-3425
2520-00-001-3425 · Item name not on file
2520-00-001-3440
ROLLER,CENTER
2520-00-001-3441
2520-00-001-3441 · Item name not on file
Frequently Asked Questions
What is NSN 2520-01-651-9998?
NSN 2520-01-651-9998 is a Flange,companion,vehicular Unive, manufactured by Machine Service, Inc. Dba Machine Service Inc, classified under FSC 2520, Vehicular Power Transmission Components. Status: active.
What part numbers are listed for NSN 2520-01-651-9998?
NSN 2520-01-651-9998 has 1 manufacturer part number on file: SF31RBJS (Machine Service, Inc. Dba Machine Service Inc).
What are the specifications of SF31RBJS?
Key specifications for SF31RBJS: Hub Spline Quantity: 10; Hub Type: STRAIGHT SPLINE HUB; Hub Bore Diameter: 1.700 INCHES NOMINAL IN; Flange Type: ROUND W/HOLES. 5 specifications are documented in the U.S. Government catalog.
Is NSN 2520-01-651-9998 hazardous material?
Possible hazard — SDS may be required (DLA HMIC P). 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.