PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

41187Separator,air and Oil

Williams International Co., L.l.c. · NSN 2935-01-298-5656 · FSC 2935 · No Item Name Available
Verified by PartsTable
NSN 2935-01-298-5656 — this item is cataloged by the U.S. Government under National Stock Number 2935-01-298-5656. Primary manufacturer part number: 41187.
Features
  • Separator,air and Oil — FSC 2935
  • General Characteristics Item Description: OVERALL DIA. 1.845; OVERALL WIDTH 0.480; 2ND END HUB LENGTH 0.060; HUB OVERALL DIA 0.940; 48 HOLES EQUALLY SPACED 0.095 IN. DIA.; THRU BORE HOLE 0.960 DIA.; COUNTERBORE DIA. 0.773 IN.; MATL 03-571 SST; SURFACE TREATMENT PASSIVATE P3610 IN
  • 1 verified cross-reference
  • Primary manufacturer: Williams International Co., L.l.c.
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Separator,air and Oil, cataloged under National Stock Number 2935-01-298-5656, is classified within Federal Supply Class 2935 (No Item Name Available) of the Engine Accessories group. The primary manufacturer of record is Williams International Co., L.l.c.. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference 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
NSN2935-01-298-5656
Primary Part Number41187
Item NameSeparator,air and Oil
FSC / FSG2935 / 29 — No Item Name Available
ManufacturerWilliams International Co., L.l.c.
StatusACTIVE
General Characteristics Item DescriptionOVERALL DIA. 1.845; OVERALL WIDTH 0.480; 2ND END HUB LENGTH 0.060; HUB OVERALL DIA 0.940; 48 HOLES EQUALLY SPACED 0.095 IN. DIA.; THRU BORE HOLE 0.960 DIA.; COUNTERBORE DIA. 0.773 IN.; MATL 03-571 SST; SURFACE TREATMENT PASSIVATE P3610 IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
5133-00-228-1372 INTERCHANGEABLE
Drill,twist
3010-00-235-0732271663PC10 INTERCHANGEABLE
Coupling,shaft,rigid
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
3030-00-253-83312193426 INTERCHANGEABLE
Belt,v
General Motors Llc Dba General Motors Llc
4310-00-730-6038 INTERCHANGEABLE
Blade Rotor
5365-01-256-039041187 INTERCHANGEABLE
Spacer
Leslie Controls, Inc. Dba Leslie Controls Inc
2990-01-259-231841187 INTERCHANGEABLE
Connector,exhaust Pipe
Walker Mfg Co
Cross-Reference Index
Part NumberManufacturer
41187 PRIMARY Williams International Co., L.l.c. (USA)
Related Parts
5133-00-228-1372INTERCHANGEABLE
DRILL,TWIST
3010-00-235-0732INTERCHANGEABLE
COUPLING,SHAFT,RIGID
271663PC10
3030-00-253-8331INTERCHANGEABLE
BELT,V
2193426
4310-00-730-6038INTERCHANGEABLE
BLADE ROTOR
5365-01-256-0390INTERCHANGEABLE
SPACER
41187
2990-01-259-2318INTERCHANGEABLE
CONNECTOR,EXHAUST PIPE
41187

Frequently Asked Questions

What is NSN 2935-01-298-5656?

NSN 2935-01-298-5656 is a Separator,air and Oil, manufactured by Williams International Co., L.l.c., classified under FSC 2935 (No Item Name Available). Status: active.

What are the part numbers for NSN 2935-01-298-5656?

NSN 2935-01-298-5656 has 1 cross-referenced part number: 41187 (Williams International Co., L.l.c.).

What NSN replaces 2935-01-298-5656?

There are 6 known substitutes for 2935-01-298-5656: 5133-00-228-1372, 3010-00-235-0732, 3030-00-253-8331 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 41187?

Key specifications for 41187: End Item Identification: F-112 WR100 ACFT; General Characteristics Item Description: OVERALL DIA. 1.845; OVERALL WIDTH 0.480; 2ND END HUB LENGTH 0.060; HUB OVERALL DIA 0.940; 48 HOLES EQUALLY SPACED 0.095 IN. DIA.; THRU BORE HOLE 0.960 DIA.; COUNTERBORE DIA. 0.773 IN.; MATL 03-571 SST; SURFACE TREATMENT PASSIVATE P3610 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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