NSN 2520-00-333-0604 — this item is cataloged by the U.S. Government under National Stock Number 2520-00-333-0604. Manufacturer of record part number: 1021363.
Also searched as2520-00-333-0604 ·
2520003330604 ·
NIIN 003330604 ·
00-333-0604 ·
FSC 2520 Vehicular Power Transmission Components · CAGE 22888 · 1021363 · 8341363
General Characteristics Item Description: STEEL CASTING,QQ-S-681,CLASS 1,1.0875 IN. LG,L.625 IN. W,0.375 IN. THK IN
2 manufacturer part numbers on file
Manufacturer of record: Fmc Corp
Identification
NSN: 2520-00-333-0604
NIIN: 003330604
FSC: 2520 — Vehicular Power Transmission Components
FSG: 25 — Vehicular Equipment Components
Primary part number: 1021363
Manufacturer: Fmc Corp
General Description
The Stop,lockout,hydraulic, cataloged under National Stock Number 2520-00-333-0604, is classified within Federal Supply Class 2520 (Vehicular Power Transmission Components) of the Vehicular Equipment Components group. The manufacturer of record is Fmc Corp. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
2520-00-333-0604
Primary Part Number
1021363
Item Name
Stop,lockout,hydraulic
FSC / FSG
2520 / 25 — Vehicular Power Transmission Components
Manufacturer
Fmc Corp
Status
ACTIVE
General Characteristics Item Description
STEEL CASTING,QQ-S-681,CLASS 1,1.0875 IN. LG,L.625 IN. W,0.375 IN. THK IN
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL A — No Demilitarization Required
Hazard
Possible hazard — SDS may be required (DLA HMIC P)
U S Army Tank Automotive Command Amsta-Im-Mm (USA)
Reference documents
Reference
Meaning
1021363
3/2Design control — primary reference
U.S. Government activity
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.
2520-00-005-4937
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 2520-00-333-0604?
NSN 2520-00-333-0604 is a Stop,lockout,hydraulic, manufactured by Fmc Corp, classified under FSC 2520, Vehicular Power Transmission Components. Status: active.
What part numbers are listed for NSN 2520-00-333-0604?
NSN 2520-00-333-0604 has 2 manufacturer part numbers on file: 1021363 (Fmc Corp), 8341363 (U S Army Tank Automotive Command Amsta-Im-Mm).
What are the specifications of 1021363?
Key specifications for 1021363: General Characteristics Item Description: STEEL CASTING,QQ-S-681,CLASS 1,1.0875 IN. LG,L.625 IN. W,0.375 IN. THK IN. 1 specification is documented in the U.S. Government catalog.
Is NSN 2520-00-333-0604 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.