The Parts Kit Clutch, cataloged under National Stock Number 2520-01-168-3655, is classified within Federal Supply Class 2520 (Vehicular Power Transmission Components) of the Vehicular Equipment Components group. The manufacturer of record is Tcm America, Inc Sc. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2520-01-168-3655 |
| Primary Part Number | 12163-89831 |
| Item Name | Parts Kit Clutch |
| FSC / FSG | 2520 / 25 — Vehicular Power Transmission Components |
| Manufacturer | Tcm America, Inc Sc |
| Status | ACTIVE |
| General Characteristics Item Description | BK7031018000 RING SEAL 2; BK7089004000 RING SEAL 2; BK8131040060 RING SNAP 2; BK8131030100 RING SNAP 1; BK7050003000 RING SNAP 1; BK7089020000 RING SEAL 3 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 12163-89831 PRIMARY | Tcm America, Inc Sc (USA) |
| Reference | Meaning |
|---|---|
| 12163-80231 | D/9 Drawing number reference only Tcm America, Inc Sc |
NSN 2520-01-168-3655 is a Parts Kit Clutch, manufactured by Tcm America, Inc Sc, classified under FSC 2520, Vehicular Power Transmission Components. Status: active.
NSN 2520-01-168-3655 has 1 manufacturer part number on file: 12163-89831 (Tcm America, Inc Sc).
3 possible matches (shared part number, not a government interchangeability claim): 2520-01-169-2842, 3040-01-169-9696, 2520-01-190-2445. Verify interchangeability with system specifications before substitution.
Key specifications for 12163-89831: General Characteristics Item Description: BK7031018000 RING SEAL 2; BK7089004000 RING SEAL 2; BK8131040060 RING SNAP 2; BK8131030100 RING SNAP 1; BK7050003000 RING SNAP 1; BK7089020000 RING SEAL 3; End Item Identification: 3930-01-146-3990. 1 specification is documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). Hazard information on this page is shown exactly as it appears in the DLA record.
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.