PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

AS318914Piston,torquemeter

Aircraft Supplies · NSN 2810-00-858-4853 · FSC 2810 · No Item Name Available
Verified by PartsTable
NSN 2810-00-858-4853 — this item is cataloged by the U.S. Government under National Stock Number 2810-00-858-4853. Primary manufacturer part number: AS318914.
Features
  • Piston,torquemeter — FSC 2810
  • General Characteristics Item Description: MATL STEEL PER AMS 6260; HARDNESS PER ROCKWELL C30 MIN AND C40 MAX; 1.55 IN. LONG; SPHER 0.218 IN. MIN AND 0.219 IN. MAX RADIUS; BODY 0.6395 IN. MIN AND 0.6405 IN. MAX OD; FLANGE 2.741 IN. MIN AND 2.743 IN. MAX OD; SECOND END 0.6225 IN. MIN AND 0.6235 IN. MAX OD; BORE 0.023 IN. MIN AND 0.033 IN. MAX DIA; COUNTERBORES,0.09 IN. MIN AND 0.10 IN. MAX FOR 2.38 IN. MIN AND 2.40 IN. MAX DEEP,0.36 IN. MIN AND 0.38 IN. MAX DIA FOR 1.62 IN. MIN AND 1.64 IN. MAX DEEP IN
  • 7 verified cross-references
  • Primary manufacturer: Aircraft Supplies
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Piston,torquemeter, cataloged under National Stock Number 2810-00-858-4853, is classified within Federal Supply Class 2810 (No Item Name Available) of the Engines, Turbines, and Components group. The primary manufacturer of record is Aircraft Supplies. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN2810-00-858-4853
Primary Part NumberAS318914
Item NamePiston,torquemeter
FSC / FSG2810 / 28 — No Item Name Available
ManufacturerAircraft Supplies
StatusCANCELLED
General Characteristics Item DescriptionMATL STEEL PER AMS 6260; HARDNESS PER ROCKWELL C30 MIN AND C40 MAX; 1.55 IN. LONG; SPHER 0.218 IN. MIN AND 0.219 IN. MAX RADIUS; BODY 0.6395 IN. MIN AND 0.6405 IN. MAX OD; FLANGE 2.741 IN. MIN AND 2.743 IN. MAX OD; SECOND END 0.6225 IN. MIN AND 0.6235 IN. MAX OD; BORE 0.023 IN. MIN AND 0.033 IN. MAX DIA; COUNTERBORES,0.09 IN. MIN AND 0.10 IN. MAX FOR 2.38 IN. MIN AND 2.40 IN. MAX DEEP,0.36 IN. MIN AND 0.38 IN. MAX DIA FOR 1.62 IN. MIN AND 1.64 IN. MAX DEEP IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 2
4320-00-071-2123 INTERCHANGEABLE
Pump,transmission
5865-01-131-745774048 INTERCHANGEABLE
Rectifier,power Sup
Thales Defense & Security Inc Dba Thales Communications Inc
Cross-Reference Index
Part NumberManufacturer
AS318914 Aircraft Supplies (USA)
328349 Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA)
AS328349 Aircraft Supplies (USA)
74048 Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA)
318914 Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA)
184442 Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA)
155424 Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA)
Related Parts
4320-00-071-2123INTERCHANGEABLE
PUMP,TRANSMISSION
5865-01-131-7457INTERCHANGEABLE
RECTIFIER,POWER SUP
74048

Frequently Asked Questions

What is NSN 2810-00-858-4853?

NSN 2810-00-858-4853 is a Piston,torquemeter, manufactured by Aircraft Supplies, classified under FSC 2810 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 2810-00-858-4853?

NSN 2810-00-858-4853 has 7 cross-referenced part numbers: AS318914 (Aircraft Supplies), 328349 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney), AS328349 (Aircraft Supplies), 74048 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney), 318914 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney) and 2 more.

What NSN replaces 2810-00-858-4853?

There are 2 known substitutes for 2810-00-858-4853: 4320-00-071-2123, 5865-01-131-7457. Verify interchangeability with system specifications before substitution.

What are the specifications of AS318914?

Key specifications for AS318914: General Characteristics Item Description: MATL STEEL PER AMS 6260; HARDNESS PER ROCKWELL C30 MIN AND C40 MAX; 1.55 IN. LONG; SPHER 0.218 IN. MIN AND 0.219 IN. MAX RADIUS; BODY 0.6395 IN. MIN AND 0.6405 IN. MAX OD; FLANGE 2.741 IN. MIN AND 2.743 IN. MAX OD; SECOND END 0.6225 IN. MIN AND 0.6235 IN. MAX OD; BORE 0.023 IN. MIN AND 0.033 IN. MAX DIA; COUNTERBORES,0.09 IN. MIN AND 0.10 IN. MAX FOR 2.38 IN. MIN AND 2.40 IN. MAX DEEP,0.36 IN. MIN AND 0.38 IN. MAX DIA FOR 1.62 IN. MIN AND 1.64 IN. MAX DEEP IN; End Item Identification: ACFT ENG,RECIPROCATING. 2 total characteristics are documented in the Federal Logistics Information System.

Is NSN 2810-00-858-4853 still in active supply?

NSN 2810-00-858-4853 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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