PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

20870Gear Rack

Moog Inc. Dba Ampac-Isp Corp · NSN 3020-01-187-2358 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-01-187-2358 — this item is cataloged by the U.S. Government under National Stock Number 3020-01-187-2358. Primary manufacturer part number: 20870.
Features
  • Gear Rack — FSC 3020
  • Material Document and Classification: SAE 4140 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
  • Material: STEEL COMP 4140 OVERALL
  • 3 verified cross-references
  • Primary manufacturer: Moog Inc. Dba Ampac-Isp Corp
Applications
  • Power transmission and speed reduction
  • Rotary motion transfer
  • Torque multiplication
  • Applications requiring Steel Comp 4140 Overall construction
General Description

The Gear Rack, cataloged under National Stock Number 3020-01-187-2358, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Moog Inc. Dba Ampac-Isp Corp. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3020-01-187-2358
Primary Part Number20870
Item NameGear Rack
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerMoog Inc. Dba Ampac-Isp Corp
StatusACTIVE
Material Document and ClassificationSAE 4140 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MaterialSTEEL COMP 4140 OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
5315-00-061-8534 INTERCHANGEABLE
Pin,straight,headed
5133-00-266-9230 INTERCHANGEABLE
Drill,twist
1650-00-441-277020870 INTERCHANGEABLE
Cartridge Assy,pump
Hydro-Aire Aerospace Corp
5895-01-114-135820870 INTERCHANGEABLE
Encoder-Decoder
L3 Technologies, Inc. Div Communication Systems-West
3010-01-187-233920871 INTERCHANGEABLE
End,cap
Moog Inc. Dba Ampac-Isp Corp
3020-01-187-237720873 INTERCHANGEABLE
Gear Sector,spur
Moog Inc. Dba Ampac-Isp Corp
4820-01-240-930120870 INTERCHANGEABLE
Valve,safety Relief
Twg Canada Consolidated Inc
5330-01-342-2641 INTERCHANGEABLE
Parts Kit,seal Replacement,mecha
5330-01-510-034220870 INTERCHANGEABLE
Parts Kit,seal Replacement,mecha
Aurelius Mfg Co Inc
Cross-Reference Index
Part NumberManufacturer
20870 PRIMARY Moog Inc. Dba Ampac-Isp Corp (USA)
20-20860 ITEM 14 Moog Inc. Dba Ampac-Isp Corp (USA)
20-20860 Moog Inc. Dba Ampac-Isp Corp (USA)
Related Parts
5315-00-061-8534INTERCHANGEABLE
PIN,STRAIGHT,HEADED
5133-00-266-9230INTERCHANGEABLE
DRILL,TWIST
1650-00-441-2770INTERCHANGEABLE
CARTRIDGE ASSY,PUMP
20870
5895-01-114-1358INTERCHANGEABLE
ENCODER-DECODER
20870
3010-01-187-2339INTERCHANGEABLE
END,CAP
20871
3020-01-187-2377INTERCHANGEABLE
GEAR SECTOR,SPUR
20873
4820-01-240-9301INTERCHANGEABLE
VALVE,SAFETY RELIEF
20870
5330-01-342-2641INTERCHANGEABLE
PARTS KIT,SEAL REPLACEMENT,MECHA
5330-01-510-0342INTERCHANGEABLE
PARTS KIT,SEAL REPLACEMENT,MECHA
20870

Frequently Asked Questions

What is NSN 3020-01-187-2358?

NSN 3020-01-187-2358 is a Gear Rack, manufactured by Moog Inc. Dba Ampac-Isp Corp, classified under FSC 3020 (No Item Name Available). Status: active.

What are the part numbers for NSN 3020-01-187-2358?

NSN 3020-01-187-2358 has 3 cross-referenced part numbers: 20870 (Moog Inc. Dba Ampac-Isp Corp), 20-20860 ITEM 14 (Moog Inc. Dba Ampac-Isp Corp), 20-20860 (Moog Inc. Dba Ampac-Isp Corp).

What NSN replaces 3020-01-187-2358?

There are 9 known substitutes for 3020-01-187-2358: 5315-00-061-8534, 5133-00-266-9230, 1650-00-441-2770 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 20870?

Key specifications for 20870: Material Document and Classification: SAE 4140 ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Material: STEEL COMP 4140 OVERALL. 2 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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