PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

21438Cap,pillow Block

Moog Inc. Dba Ampac-Isp Corp · NSN 3130-01-188-7905 · FSC 3130 · No Item Name Available
Verified by PartsTable
NSN 3130-01-188-7905 — this item is cataloged by the U.S. Government under National Stock Number 3130-01-188-7905. Primary manufacturer part number: 21438.
Features
  • Cap,pillow Block — FSC 3130
  • General Characteristics Item Description: COPPER ALLOY,QQ-C-390
  • 2 verified cross-references
  • Primary manufacturer: Moog Inc. Dba Ampac-Isp Corp
Applications
  • Industrial machinery bearing replacement
  • Motor and pump shaft assemblies
  • HVAC blower and fan assemblies
General Description

The Cap,pillow Block, cataloged under National Stock Number 3130-01-188-7905, is classified within Federal Supply Class 3130 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Moog Inc. Dba Ampac-Isp Corp. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3130-01-188-7905
Primary Part Number21438
Item NameCap,pillow Block
FSC / FSG3130 / 31 — No Item Name Available
ManufacturerMoog Inc. Dba Ampac-Isp Corp
StatusACTIVE
General Characteristics Item DescriptionCOPPER ALLOY,QQ-C-390
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
5365-00-059-4982214-38 INTERCHANGEABLE
Spacer,ring
Aerco International, Inc. Dba Aerco International Inc
5120-00-237-6985 INTERCHANGEABLE
Screwdriver,flat Tip
5365-00-343-771821438 INTERCHANGEABLE
Spacer,sleeve
Hoist Liftruck Mfg Inc
1680-00-485-428821438 INTERCHANGEABLE
Cap-Valve Piston---
Kidde Technologies, Inc Div Kidde Aerospace and Defense
2940-00-897-913921426 INTERCHANGEABLE
Filter,fluid
Cummins Inc.
5360-01-351-120821438 INTERCHANGEABLE
Spring,helical,compression
Parker Hannifin Corporation Div Hydraulic Systems Division
Cross-Reference Index
Part NumberManufacturer
21438 PRIMARY Moog Inc. Dba Ampac-Isp Corp (USA)
110-21225 ITEM 6 Moog Inc. Dba Ampac-Isp Corp (USA)
Related Parts
5365-00-059-4982INTERCHANGEABLE
SPACER,RING
214-38
5120-00-237-6985INTERCHANGEABLE
SCREWDRIVER,FLAT TIP
5365-00-343-7718INTERCHANGEABLE
SPACER,SLEEVE
21438
1680-00-485-4288INTERCHANGEABLE
CAP-VALVE PISTON---
21438
2940-00-897-9139INTERCHANGEABLE
FILTER,FLUID
21426
5360-01-351-1208INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
21438

Frequently Asked Questions

What is NSN 3130-01-188-7905?

NSN 3130-01-188-7905 is a Cap,pillow Block, manufactured by Moog Inc. Dba Ampac-Isp Corp, classified under FSC 3130 (No Item Name Available). Status: active.

What are the part numbers for NSN 3130-01-188-7905?

NSN 3130-01-188-7905 has 2 cross-referenced part numbers: 21438 (Moog Inc. Dba Ampac-Isp Corp), 110-21225 ITEM 6 (Moog Inc. Dba Ampac-Isp Corp).

What NSN replaces 3130-01-188-7905?

There are 6 known substitutes for 3130-01-188-7905: 5365-00-059-4982, 5120-00-237-6985, 5365-00-343-7718 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 21438?

Key specifications for 21438: General Characteristics Item Description: COPPER ALLOY,QQ-C-390. 1 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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