PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

91311Pin,piston

Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp. · NSN 2810-00-293-3767 · FSC 2810 · No Item Name Available
Verified by PartsTable
NSN 2810-00-293-3767 — this item is cataloged by the U.S. Government under National Stock Number 2810-00-293-3767. Primary manufacturer part number: 91311.
Features
  • Pin,piston — FSC 2810
  • Bore Style: TAPERED BORE
  • Material Document and Classification: AMS 6312 ASSN STD SINGLE MATERIAL RESPONSE
  • FSC Application Data: ACFT ENG R1830
  • Material: STEEL COMP 4640
  • Body Style: PLAIN END W/TWO GROOVES
  • Taper Length: 1.2690 INCHES NOMINAL IN
  • Groove Depth: 0.0587 INCHES NOMINAL IN
Applications
  • Applications requiring Steel Comp 4640 construction
General Description

The Pin,piston, cataloged under National Stock Number 2810-00-293-3767, is classified within Federal Supply Class 2810 (No Item Name Available) of the Engines, Turbines, and Components group. The primary manufacturer of record is Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.. Government technical data includes 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN2810-00-293-3767
Primary Part Number91311
Item NamePin,piston
FSC / FSG2810 / 28 — No Item Name Available
ManufacturerPratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.
StatusACTIVE
Bore StyleTAPERED BORE
Material Document and ClassificationAMS 6312 ASSN STD SINGLE MATERIAL RESPONSE
FSC Application DataACFT ENG R1830
MaterialSTEEL COMP 4640
Body StylePLAIN END W/TWO GROOVES
Taper Length1.2690 INCHES NOMINAL IN
Groove Depth0.0587 INCHES NOMINAL IN
Radial Groove Radius0.048 INCHES NOMINAL IN
Casehardening IndicatorNOT CASEHARDENED
Outside Diameter1.37225 INCHES MINIMUM AND 1.37275 INCHES MAXIMUM IN
Metallic Hardness Rating47.0 MINIMUM ROCKWELL C AND 50.0 MAXIMUM ROCKWELL C
Distance From End to Groove Center0.0880 INCHES MINIMUM AND 0.0980 INCHES MAXIMUM IN
Body Length4.1550 INCHES MINIMUM AND 4.1650 INCHES MAXIMUM IN
Bore Smallest Diameter0.8900 INCHES NOMINAL IN
Distance Between Groove Centers3.9740 INCHES NOMINAL IN
Largest Bore Diameter1.0000 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
6220-00-115-856491311 INTERCHANGEABLE
Lens,light
Grote Industries Inc Dba Grote Manufacturing Co Div Military Products
5915-00-406-57909131-1 INTERCHANGEABLE
Filter,radio Frequency Interfere
Centroid, Inc. Dba Centroid Inc
5998-01-003-38969131-1 INTERCHANGEABLE
Circuit Card Assembly
Electrac Space Electronics Laboratory Inc Vibration Instruments Co Div
6850-01-154-365391311 INTERCHANGEABLE
Nitrite Test Strips
Ctl Scientific Supply Corp. Dba Ctl Scientific Supply Corp
5315-01-191-7990121301 PIECE 21.5 INTERCHANGEABLE
Key,woodruff
Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions
Cross-Reference Index
Part NumberManufacturer
91311 PRIMARY Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp. (CAN)
91311 Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA)
Related Parts
6220-00-115-8564INTERCHANGEABLE
LENS,LIGHT
91311
5915-00-406-5790INTERCHANGEABLE
FILTER,RADIO FREQUENCY INTERFERE
9131-1
5998-01-003-3896INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
9131-1
6850-01-154-3653INTERCHANGEABLE
NITRITE TEST STRIPS
91311
5315-01-191-7990INTERCHANGEABLE
KEY,WOODRUFF
121301 PIECE 21.5

Frequently Asked Questions

What is NSN 2810-00-293-3767?

NSN 2810-00-293-3767 is a Pin,piston, manufactured by Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp., classified under FSC 2810 (No Item Name Available). Status: active.

What are the part numbers for NSN 2810-00-293-3767?

NSN 2810-00-293-3767 has 2 cross-referenced part numbers: 91311 (Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.), 91311 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).

What NSN replaces 2810-00-293-3767?

There are 5 known substitutes for 2810-00-293-3767: 6220-00-115-8564, 5915-00-406-5790, 5998-01-003-3896 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 91311?

Key specifications for 91311: Bore Style: TAPERED BORE; Material Document and Classification: AMS 6312 ASSN STD SINGLE MATERIAL RESPONSE; FSC Application Data: ACFT ENG R1830; Material: STEEL COMP 4640. 16 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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