NSN 2520-01-688-9746 — this item is cataloged by the U.S. Government under National Stock Number 2520-01-688-9746. Manufacturer of record part number: 3816955C1.
Also searched as2520-01-688-9746 ·
2520016889746 ·
NIIN 016889746 ·
01-688-9746 ·
FSC 2520 Vehicular Power Transmission Components · CAGE 338X5 · 3816955C1
FSC: 2520 — Vehicular Power Transmission Components
FSG: 25 — Vehicular Equipment Components
Primary part number: 3816955C1
Manufacturer: Nd Defense Llc
General Description
The Breather, cataloged under National Stock Number 2520-01-688-9746, is classified within Federal Supply Class 2520 (Vehicular Power Transmission Components) of the Vehicular Equipment Components group. The manufacturer of record is Nd Defense Llc. Government technical data includes 1 specification, 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
2520-01-688-9746
Primary Part Number
3816955C1
Item Name
Breather
FSC / FSG
2520 / 25 — Vehicular Power Transmission Components
Manufacturer
Nd Defense Llc
Status
ACTIVE
Connection Type
THREADED
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.
2520-00-005-4937
CLUTCH PACKAGE
2520-00-006-6257
2520-00-006-6257 · Item name not on file
2520-00-008-9977
SPIDER,UNIVERSAL JOINT,VEHICULAR
2520-00-039-6567
SOCKET
2520-00-242-3316
CLUTCH ASSEMBLY,HUB
2520-00-358-3905
COVER
2520-00-366-7191
COLLAR,SHAFT LINKAGE
2520-00-708-6603
COVER CONTROL LEVER
Frequently Asked Questions
What is NSN 2520-01-688-9746?
NSN 2520-01-688-9746 is a Breather, manufactured by Nd Defense Llc, classified under FSC 2520, Vehicular Power Transmission Components. Status: active.
What part numbers are listed for NSN 2520-01-688-9746?
NSN 2520-01-688-9746 has 1 manufacturer part number on file: 3816955C1 (Nd Defense Llc).
What are the specifications of 3816955C1?
Key specifications for 3816955C1: Connection Type: THREADED; Part Name Assigned by Controlling Agency: VALVE- GP SOLENOID 12 VOLT; End Item Identification: REAR AXAL GROUP. 1 specification is documented in the U.S. Government catalog.
Is NSN 2520-01-688-9746 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.