The Rotor,ignition Distributor, cataloged under National Stock Number 2920-00-460-6962, is classified within Federal Supply Class 2920 (Engine Electrical System Components, Nonaircraft) of the Engine Accessories group. The manufacturer of record is Trw Inc Replacement Parts Div. Government technical data includes 14 specifications, cited from the U.S. Government catalog. The record lists 6 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 8 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 5 items share a part number with this NSN in the catalog (possible match — not a government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 | 2920-00-460-6962 |
| Primary Part Number | DR53A |
| Item Name | Rotor,ignition Distributor |
| FSC / FSG | 2920 / 29 — Engine Electrical System Components, Nonaircraft |
| Manufacturer | Trw Inc Replacement Parts Div |
| Status | ACTIVE |
| Distributing Contact Quantity | 1 |
| Mounting Hole Quantity | 1 |
| Inlet Contact Type | BENT SPRING |
| Length | 1.625 INCHES NOMINAL IN |
| Center to Center Distance Between Inlet Contact and Distributing Contact | 0.750 INCHES NOMINAL IN |
| Shaft Shape for Which Designed | ROUND, KEYED |
| Mounting Method | SHAFT |
| Distance From Inlet Contact Center to Distributing Contact End | 1.188 INCHES NOMINAL IN |
| Mounting Hole Diameter | 0.563 INCHES NOMINAL IN |
| Contact Quantity | 1 |
| Body Material | PLASTIC |
| Height | 0.969 INCHES NOMINAL IN |
| Mounting Hole Depth | 0.500 INCHES NOMINAL IN |
| Width | 1.000 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| A906638 | Agco Corp Parts Opn (USA) |
| 800056 | General Motors Llc Dba General Motors Llc (USA) |
| DR53A PRIMARY | Trw Inc Replacement Parts Div (USA) |
| 800056 | General Motors Corp (USA) |
| DR314 PRIMARY | Standard Motor Products (USA) |
| 800056 | Barnes Group Inc. Dba Barnes Distribution (USA) |
| Reference | Meaning |
|---|---|
| D424R | 5/9 Secondary reference General Motors Corp Delco Remy Div |
| 58217 | 5/2 Secondary reference U.S. Government activity |
| D423R-800055 | 5/9 Secondary reference General Motors Corp Delco Remy Div |
| D423R | 5/9 Secondary reference General Motors Corp Delco Remy Div |
| 800056 | 5/9 Secondary reference General Motors Corp Delco Remy Div |
| RR182 | 5/9 Secondary reference Echlin Inc |
| 800056 | 5/9 Secondary reference General Motors Corp Chevrolet Motor Div Special Products Dept |
| DR53A | 5/9 Secondary reference C E Niehoff & Co |
NSN 2920-00-460-6962 is a Rotor,ignition Distributor, manufactured by Trw Inc Replacement Parts Div, classified under FSC 2920, Engine Electrical System Components, Nonaircraft. Status: active.
NSN 2920-00-460-6962 has 6 manufacturer part numbers on file: A906638 (Agco Corp Parts Opn), 800056 (General Motors Llc Dba General Motors Llc), DR53A (Trw Inc Replacement Parts Div), 800056 (General Motors Corp), DR314 (Standard Motor Products) and 1 more.
5 possible matches (shared part number, not a government interchangeability claim): 5826-00-590-8338, 1680-00-862-5774, 4330-01-056-8410. Verify interchangeability with system specifications before substitution.
Key specifications for DR53A: Distributing Contact Quantity: 1; Mounting Hole Quantity: 1; Inlet Contact Type: BENT SPRING; Length: 1.625 INCHES NOMINAL IN. 14 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). 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.