NSN 2520-00-692-6300 — this item is cataloged by the U.S. Government under National Stock Number 2520-00-692-6300. Manufacturer of record part number: 321KB28.
Also searched as2520-00-692-6300 ·
2520006926300 ·
NIIN 006926300 ·
00-692-6300 ·
FSC 2520 Vehicular Power Transmission Components · CAGE 76040 · 321KB28 · 8333003
Nearby stock numbers← 2520-00-692-6295 Shaft, High and Low
·
2520-00-692-6301 →
Features
Clutch,power Take Off — FSC 2520
General Characteristics Item Description: STEEL ALLOY,FS8620H,FFS4620H,FS8720H,SPEC QQ-S-624;3.742 IN. OD;2.188 IN. LG;INTERNAL INVOLUTE,FLAT ROOT STYLE,SIDE FIT;17 TEETH;3.009 IN. PITCH DIA;25 DEG PRESSURE ANGLE IN
2 manufacturer part numbers on file
Manufacturer of record: Mack Trucks Inc Parts Opn
Identification
NSN: 2520-00-692-6300
NIIN: 006926300
FSC: 2520 — Vehicular Power Transmission Components
FSG: 25 — Vehicular Equipment Components
Primary part number: 321KB28
Manufacturer: Mack Trucks Inc Parts Opn
General Description
The Clutch,power Take Off, cataloged under National Stock Number 2520-00-692-6300, is classified within Federal Supply Class 2520 (Vehicular Power Transmission Components) of the Vehicular Equipment Components group. The manufacturer of record is Mack Trucks Inc Parts Opn. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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
2520-00-692-6300
Primary Part Number
321KB28
Item Name
Clutch,power Take Off
FSC / FSG
2520 / 25 — Vehicular Power Transmission Components
Manufacturer
Mack Trucks Inc Parts Opn
Status
ACTIVE
General Characteristics Item Description
STEEL ALLOY,FS8620H,FFS4620H,FS8720H,SPEC QQ-S-624;3.742 IN. OD;2.188 IN. LG;INTERNAL INVOLUTE,FLAT ROOT STYLE,SIDE FIT;17 TEETH;3.009 IN. PITCH DIA;25 DEG PRESSURE ANGLE 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 2520-00-692-6300?
NSN 2520-00-692-6300 is a Clutch,power Take Off, manufactured by Mack Trucks Inc Parts Opn, classified under FSC 2520, Vehicular Power Transmission Components. Status: active.
What part numbers are listed for NSN 2520-00-692-6300?
NSN 2520-00-692-6300 has 2 manufacturer part numbers on file: 8333003 (U S Army Tank Automotive Command Amsta-Im-Mm), 321KB28 (Mack Trucks Inc Parts Opn).
What are the specifications of 321KB28?
Key specifications for 321KB28: General Characteristics Item Description: STEEL ALLOY,FS8620H,FFS4620H,FS8720H,SPEC QQ-S-624;3.742 IN. OD;2.188 IN. LG;INTERNAL INVOLUTE,FLAT ROOT STYLE,SIDE FIT;17 TEETH;3.009 IN. PITCH DIA;25 DEG PRESSURE ANGLE IN; End Item Identification: 2320008796177. 1 specification is documented in the U.S. Government catalog.
Is NSN 2520-00-692-6300 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.