PartsTable TECHNICAL DATA SHEET
NSN 2520-00-080-6972Government record, cited

Carrier, Forward Clutch2520-00-080-6972

NSN 2520-00-080-6972 · NIIN 000806972 · Part number 6776871
Allison Transmission Inc Dba Allison Transmission, Inc · FSC 2520 — Vehicular Power Transmission Components · FSG 25 — Vehicular Equipment Components · CAGE 73342
Government record, cited
NSN 2520-00-080-6972 — this item is cataloged by the U.S. Government under National Stock Number 2520-00-080-6972. Manufacturer of record part number: 6776871.
Also searched as  2520-00-080-6972 · 2520000806972 · NIIN 000806972 · 00-080-6972 · FSC 2520 Vehicular Power Transmission Components · CAGE 73342 · 6776871
Nearby stock numbers  ·
Features
  • Carrier,forward Clutch — FSC 2520
  • General Characteristics Item Description: MALLEABLE CAST IRON,4.423 IN. LG,2.600 IN. HUB DIA,6.090 IN. MIN,6.100 INCH MAX OD IN
  • 2 manufacturer part numbers on file
  • Manufacturer of record: Allison Transmission Inc Dba Allison Transmission, Inc
Identification
  • NSN: 2520-00-080-6972
  • NIIN: 000806972
  • FSC: 2520 — Vehicular Power Transmission Components
  • FSG: 25 — Vehicular Equipment Components
  • Primary part number: 6776871
  • Manufacturer: Allison Transmission Inc Dba Allison Transmission, Inc
General Description

The Carrier,forward Clutch, cataloged under National Stock Number 2520-00-080-6972, is classified within Federal Supply Class 2520 (Vehicular Power Transmission Components) of the Vehicular Equipment Components group. The manufacturer of record is Allison Transmission Inc Dba Allison Transmission, Inc. 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. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN2520-00-080-6972
Primary Part Number6776871
Item NameCarrier,forward Clutch
FSC / FSG2520 / 25 — Vehicular Power Transmission Components
ManufacturerAllison Transmission Inc Dba Allison Transmission, Inc
StatusACTIVE
General Characteristics Item DescriptionMALLEABLE CAST IRON,4.423 IN. LG,2.600 IN. HUB DIA,6.090 IN. MIN,6.100 INCH MAX OD IN
Lifecycle & Compliance
Acquisition StatusACTIVE
DEMIL CodeDEMIL A — No Demilitarization Required
HazardPossible hazard — SDS may be required (DLA HMIC P)
Criticality CodeX
Cross-Reference Index
Part NumberManufacturer
6776871 General Motors Corp (USA)
6776871 PRIMARY Allison Transmission Inc Dba Allison Transmission, 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.
2520-00-005-4937
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 2520-00-080-6972?

NSN 2520-00-080-6972 is a Carrier,forward Clutch, manufactured by Allison Transmission Inc Dba Allison Transmission, Inc, classified under FSC 2520, Vehicular Power Transmission Components. Status: active.

What part numbers are listed for NSN 2520-00-080-6972?

NSN 2520-00-080-6972 has 2 manufacturer part numbers on file: 6776871 (General Motors Corp), 6776871 (Allison Transmission Inc Dba Allison Transmission, Inc).

What are the specifications of 6776871?

Key specifications for 6776871: General Characteristics Item Description: MALLEABLE CAST IRON,4.423 IN. LG,2.600 IN. HUB DIA,6.090 IN. MIN,6.100 INCH MAX OD IN. 1 specification is documented in the U.S. Government catalog.

Is NSN 2520-00-080-6972 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.
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