The Gear Rack, cataloged under National Stock Number 3020-01-167-4468, is classified within Federal Supply Class 3020 (Gears, Pulleys, Sprockets, and Transmission Chain) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Lockheed Martin Corporation Div Rms. Government technical data includes 19 specifications, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-01-167-4468 |
| Primary Part Number | 77C715151P002 |
| Item Name | Gear Rack |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Lockheed Martin Corporation Div Rms |
| Status | ACTIVE |
| Teeth Quantity | 63 |
| Surface Treatment Document and Classification | MIL-C-13924,CLASS 4 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Nominal Distance From End to First Mounting Hole Center | 1.242 INCHES TRANSVERSELY THROUGH SIDE IN |
| Pitch Height | 1.0685 INCHES NOMINAL IN |
| Mounting Hole Type and Quantity | 2 THREADED TRANSVERSELY THROUGH SIDE |
| Teeth Type | SPUR |
| Nominal Overall Length | 39.584 INCHES IN |
| Style Designator | SQUARE OR RECTANGULAR |
| Material Document and Classification | AMS 5643 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Tooth Form | STANDARD |
| Mounting Hole Nominal Thread Size | 0.250 INCHES TRANSVERSELY THROUGH SIDE IN |
| Surface Treatment | OXIDE OVERALL |
| Pressure Angle | 20.0000 DEGREES |
| Material | STEEL COMP 630 OVERALL |
| Center to Center Nominal Distance Between Mounting Holes | 0.550 INCHES AND 12.000 INCHES TRANSVERSELY THROUGH SIDE IN |
| Mounting Hole Thread Series Designator | UNF TRANSVERSELY THROUGH SIDE |
| Nominal Thickness | 1.121 INCHES IN |
| Attachment Method | MOUNTING HOLE |
| Face Nominal Width | 1.500 INCHES 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 |
|---|---|
| 77C715151P002 PRIMARY | Lockheed Martin Corporation Div Rms (USA) |
| Reference | Meaning |
|---|---|
| 77C715151 | D/9 Drawing number reference only Lockheed Martin Corporation Div Rms |
NSN 3020-01-167-4468 is a Gear Rack, manufactured by Lockheed Martin Corporation Div Rms, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-167-4468 has 1 manufacturer part number on file: 77C715151P002 (Lockheed Martin Corporation Div Rms).
1 possible match (shared part number, not a government interchangeability claim): 3020-01-173-1331. Verify interchangeability with system specifications before substitution.
Key specifications for 77C715151P002: Teeth Quantity: 63; Surface Treatment Document and Classification: MIL-C-13924,CLASS 4 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL; Nominal Distance From End to First Mounting Hole Center: 1.242 INCHES TRANSVERSELY THROUGH SIDE IN; Pitch Height: 1.0685 INCHES NOMINAL IN. 19 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.