PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

70881Retainer,regulator

Eaton Aerospace Llc Dba Sterer Engineering Div Valve & Actuator · NSN 1660-00-462-0353 · FSC 1660 · No Item Name Available
Verified by PartsTable
NSN 1660-00-462-0353 — this item is cataloged by the U.S. Government under National Stock Number 1660-00-462-0353. Primary manufacturer part number: 70881.
Features
  • Retainer,regulator — FSC 1660
  • FSC Application Data: REGULATOR,ACFT ENVIRONMENTAL EQUIPMENT,B52
  • General Characteristics Item Description: ALUMINUM ALLOY,QQ-A-225/6,COMPOSITION 2024 T4,ANODIZE PERMIL-A-8625,TYPE 2,CLASS 1,1.150 IN. MIN,1.160 IN. MAX OD,0.544 IN.MIN,0.546 IN. MAX ID COUNTERBORE,0.980 IN. MIN,0.982 IN. MAX ID BORE,1.665IN. MIN,1.675 IN. MAX FLANGE OD,0.080 IN. MIN,0.100 IN. THICKNESS FLANGE,0.215 IN. MIN,0.235 IN. MAX OVERALL L,THREE 0.146 IN. MIN,0.166 IN. MAXHOLES THROUGH FLANGE IN
  • 3 verified cross-references
  • Primary manufacturer: Eaton Aerospace Llc Dba Sterer Engineering Div Valve & Actuator
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Retainer,regulator, cataloged under National Stock Number 1660-00-462-0353, is classified within Federal Supply Class 1660 (No Item Name Available) of the Aircraft Components and Accessories group. The primary manufacturer of record is Eaton Aerospace Llc Dba Sterer Engineering Div Valve & Actuator. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN1660-00-462-0353
Primary Part Number70881
Item NameRetainer,regulator
FSC / FSG1660 / 16 — No Item Name Available
ManufacturerEaton Aerospace Llc Dba Sterer Engineering Div Valve & Actuator
StatusACTIVE
FSC Application DataREGULATOR,ACFT ENVIRONMENTAL EQUIPMENT,B52
General Characteristics Item DescriptionALUMINUM ALLOY,QQ-A-225/6,COMPOSITION 2024 T4,ANODIZE PERMIL-A-8625,TYPE 2,CLASS 1,1.150 IN. MIN,1.160 IN. MAX OD,0.544 IN.MIN,0.546 IN. MAX ID COUNTERBORE,0.980 IN. MIN,0.982 IN. MAX ID BORE,1.665IN. MIN,1.675 IN. MAX FLANGE OD,0.080 IN. MIN,0.100 IN. THICKNESS FLANGE,0.215 IN. MIN,0.235 IN. MAX OVERALL L,THREE 0.146 IN. MIN,0.166 IN. MAXHOLES THROUGH FLANGE IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
4730-00-221-2134 INTERCHANGEABLE
Plug,pipe
5120-00-224-2504F1808 INTERCHANGEABLE
Key,socket Head Screw
Wilcox Industries Corp. Dba Wilcox Industries Corp
2815-01-197-604070881 INTERCHANGEABLE
Ring
Cummins Inc.
5330-01-413-17772075P INTERCHANGEABLE
Gasket
Federal Mogul Rpb Ltd
Cross-Reference Index
Part NumberManufacturer
70881 Eaton Aerospace Llc Dba Sterer Engineering Div Valve & Actuator (USA)
70881 Vacco Industries (USA)
70881 Pti Technologies Inc. (USA)
Related Parts
4730-00-221-2134INTERCHANGEABLE
PLUG,PIPE
5120-00-224-2504INTERCHANGEABLE
KEY,SOCKET HEAD SCREW
F1808
2815-01-197-6040INTERCHANGEABLE
RING
70881
5330-01-413-1777INTERCHANGEABLE
GASKET
2075P

Frequently Asked Questions

What is NSN 1660-00-462-0353?

NSN 1660-00-462-0353 is a Retainer,regulator, manufactured by Eaton Aerospace Llc Dba Sterer Engineering Div Valve & Actuator, classified under FSC 1660 (No Item Name Available). Status: active.

What are the part numbers for NSN 1660-00-462-0353?

NSN 1660-00-462-0353 has 3 cross-referenced part numbers: 70881 (Eaton Aerospace Llc Dba Sterer Engineering Div Valve & Actuator), 70881 (Vacco Industries), 70881 (Pti Technologies Inc.).

What NSN replaces 1660-00-462-0353?

There are 4 known substitutes for 1660-00-462-0353: 4730-00-221-2134, 5120-00-224-2504, 2815-01-197-6040 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 70881?

Key specifications for 70881: FSC Application Data: REGULATOR,ACFT ENVIRONMENTAL EQUIPMENT,B52; General Characteristics Item Description: ALUMINUM ALLOY,QQ-A-225/6,COMPOSITION 2024 T4,ANODIZE PERMIL-A-8625,TYPE 2,CLASS 1,1.150 IN. MIN,1.160 IN. MAX OD,0.544 IN.MIN,0.546 IN. MAX ID COUNTERBORE,0.980 IN. MIN,0.982 IN. MAX ID BORE,1.665IN. MIN,1.675 IN. MAX FLANGE OD,0.080 IN. MIN,0.100 IN. THICKNESS FLANGE,0.215 IN. MIN,0.235 IN. MAX OVERALL L,THREE 0.146 IN. MIN,0.166 IN. MAXHOLES THROUGH FLANGE IN. 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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