PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

177765Seal,oil

Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp. · NSN 5330-00-373-8331 · FSC 5330 · No Item Name Available
Verified by PartsTable
NSN 5330-00-373-8331 — this item is cataloged by the U.S. Government under National Stock Number 5330-00-373-8331. Primary manufacturer part number: 177765.
Features
  • Seal,oil — FSC 5330
  • General Characteristics Item Description: MATL STEEL PER AMS 6272; CORE HARDNESS PER ROCKWELL C20 MIN AND C40 MAX; CASE HARDNESS PER ROCKWELL A81 MIN AND A85 MAX; 0.39 IN. MIN AND 0.41 IN. MAX LONG; BODY 0.74 IN. MIN AND 0.76 IN. MAX OD; FLANGE 0.99 IN. MIN AND 1.01 IN. MAX OD; BORE 0.617 IN. MIN AND 0.618 IN. MAX DIA; FOR OIL TRANSFER TUBE IN
  • 3 verified cross-references
  • Primary manufacturer: Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
General Description

The Seal,oil, cataloged under National Stock Number 5330-00-373-8331, is classified within Federal Supply Class 5330 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5330-00-373-8331
Primary Part Number177765
Item NameSeal,oil
FSC / FSG5330 / 53 — No Item Name Available
ManufacturerPratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.
StatusCANCELLED
General Characteristics Item DescriptionMATL STEEL PER AMS 6272; CORE HARDNESS PER ROCKWELL C20 MIN AND C40 MAX; CASE HARDNESS PER ROCKWELL A81 MIN AND A85 MAX; 0.39 IN. MIN AND 0.41 IN. MAX LONG; BODY 0.74 IN. MIN AND 0.76 IN. MAX OD; FLANGE 0.99 IN. MIN AND 1.01 IN. MAX OD; BORE 0.617 IN. MIN AND 0.618 IN. MAX DIA; FOR OIL TRANSFER TUBE IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 4
3020-00-262-694403249119 INTERCHANGEABLE
Gear,spur
Rolls-Royce Solutions America Inc
3020-00-374-10276625A INTERCHANGEABLE
Gear,internal
Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic
8475-00-480-249771380 INTERCHANGEABLE
Anti-G Garment,cutaway
Aeronautical and Support Equipment Type/asetds/aflcmc/ezsc
8475-00-545-8197 INTERCHANGEABLE
Anti-G Garment,cutaway
Cross-Reference Index
Part NumberManufacturer
177765 Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA)
177765 PRIMARY Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp. (CAN)
71380 Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp. (CAN)
Related Parts
3020-00-262-6944INTERCHANGEABLE
GEAR,SPUR
03249119
3020-00-374-1027INTERCHANGEABLE
GEAR,INTERNAL
6625A
8475-00-480-2497INTERCHANGEABLE
ANTI-G GARMENT,CUTAWAY
71380
8475-00-545-8197INTERCHANGEABLE
ANTI-G GARMENT,CUTAWAY

Frequently Asked Questions

What is NSN 5330-00-373-8331?

NSN 5330-00-373-8331 is a Seal,oil, manufactured by Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp., classified under FSC 5330 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5330-00-373-8331?

NSN 5330-00-373-8331 has 3 cross-referenced part numbers: 177765 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney), 177765 (Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.), 71380 (Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.).

What NSN replaces 5330-00-373-8331?

There are 4 known substitutes for 5330-00-373-8331: 3020-00-262-6944, 3020-00-374-1027, 8475-00-480-2497 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 177765?

Key specifications for 177765: General Characteristics Item Description: MATL STEEL PER AMS 6272; CORE HARDNESS PER ROCKWELL C20 MIN AND C40 MAX; CASE HARDNESS PER ROCKWELL A81 MIN AND A85 MAX; 0.39 IN. MIN AND 0.41 IN. MAX LONG; BODY 0.74 IN. MIN AND 0.76 IN. MAX OD; FLANGE 0.99 IN. MIN AND 1.01 IN. MAX OD; BORE 0.617 IN. MIN AND 0.618 IN. MAX DIA; FOR OIL TRANSFER TUBE IN; End Item Identification: ACFT ENG R2800. 2 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5330-00-373-8331 still in active supply?

NSN 5330-00-373-8331 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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