NSN 2520-01-083-5902 — this item is cataloged by the U.S. Government under National Stock Number 2520-01-083-5902. Manufacturer of record part number: 3WB253.
Also searched as2520-01-083-5902 ·
2520010835902 ·
NIIN 010835902 ·
01-083-5902 ·
FSC 2520 Vehicular Power Transmission Components · CAGE 75Q65 · 3WB253 · 114395 · R458B
General Characteristics Item Description: CONSISTS OF 1 EA POPPET,0.365 IN. OD,P/N 103171; 1 EA STEM,P/N 103173; 1 EA BOOT,DUST,P/N 103176; 2 EA O-RING,0.361 IN. ID,P/N 106304; 1 EA O-RING,0.351 IN. ID,P/N 106380; 1 EA SERVICE BULLETIN,P/N 117785 IN
2 manufacturer part numbers on file
Manufacturer of record: Oshkosh Defense Llc
Identification
NSN: 2520-01-083-5902
NIIN: 010835902
FSC: 2520 — Vehicular Power Transmission Components
FSG: 25 — Vehicular Equipment Components
Primary part number: 3WB253
Manufacturer: Oshkosh Defense Llc
General Description
The Parts Kit,control Valve, cataloged under National Stock Number 2520-01-083-5902, is classified within Federal Supply Class 2520 (Vehicular Power Transmission Components) of the Vehicular Equipment Components group. The manufacturer of record is Oshkosh Defense Llc. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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
2520-01-083-5902
Primary Part Number
3WB253
Item Name
Parts Kit,control Valve
FSC / FSG
2520 / 25 — Vehicular Power Transmission Components
Manufacturer
Oshkosh Defense Llc
Status
ACTIVE
General Characteristics Item Description
CONSISTS OF 1 EA POPPET,0.365 IN. OD,P/N 103171; 1 EA STEM,P/N 103173; 1 EA BOOT,DUST,P/N 103176; 2 EA O-RING,0.361 IN. ID,P/N 106304; 1 EA O-RING,0.351 IN. ID,P/N 106380; 1 EA SERVICE BULLETIN,P/N 117785 IN
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL A — No Demilitarization Required
Hazard
Possible hazard — SDS may be required (DLA HMIC P)
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 2520-01-083-5902?
NSN 2520-01-083-5902 is a Parts Kit,control Valve, manufactured by Oshkosh Defense Llc, classified under FSC 2520, Vehicular Power Transmission Components. Status: active.
What part numbers are listed for NSN 2520-01-083-5902?
NSN 2520-01-083-5902 has 2 manufacturer part numbers on file: 114395 (Williams Controls Inc), 3WB253 (Oshkosh Defense Llc).
What are the specifications of 3WB253?
Key specifications for 3WB253: General Characteristics Item Description: CONSISTS OF 1 EA POPPET,0.365 IN. OD,P/N 103171; 1 EA STEM,P/N 103173; 1 EA BOOT,DUST,P/N 103176; 2 EA O-RING,0.361 IN. ID,P/N 106304; 1 EA O-RING,0.351 IN. ID,P/N 106380; 1 EA SERVICE BULLETIN,P/N 117785 IN. 1 specification is documented in the U.S. Government catalog.
Is NSN 2520-01-083-5902 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.