PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

27191Sight,night Vision Sniperscope

Charles Reed Knight Jr Dba Knight's Armament Company · NSN 5855-01-595-9294 · FSC 5855 · No Item Name Available
Verified by PartsTable
NSN 5855-01-595-9294 — this item is cataloged by the U.S. Government under National Stock Number 5855-01-595-9294. Primary manufacturer part number: 27191.
Features
  • Sight,night Vision Sniperscope — FSC 5855
  • 2 verified cross-references
  • Primary manufacturer: Charles Reed Knight Jr Dba Knight's Armament Company
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Sight,night Vision Sniperscope, cataloged under National Stock Number 5855-01-595-9294, is classified within Federal Supply Class 5855 (No Item Name Available) of the Communication, Detection, and Coherent Radiation Equipment group. The primary manufacturer of record is Charles Reed Knight Jr Dba Knight's Armament Company. This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5855-01-595-9294
Primary Part Number27191
Item NameSight,night Vision Sniperscope
FSC / FSG5855 / 58 — No Item Name Available
ManufacturerCharles Reed Knight Jr Dba Knight's Armament Company
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
2810-00-118-171027191 INTERCHANGEABLE
Liner,propeller Thr
Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.
1680-00-315-3875 INTERCHANGEABLE
Coupling
2910-00-499-8590142-0037 INTERCHANGEABLE
Valve
Cummins Power Generation Inc.
5935-00-819-59582719-1 INTERCHANGEABLE
Connector,plug,electrical
Microwave Devices Inc
5930-00-868-7727 INTERCHANGEABLE
Switch
4730-01-109-9891 INTERCHANGEABLE
Fitting,lubrication
3020-01-172-6846 INTERCHANGEABLE
Gear,spur
3040-01-189-471527191X01-001 INTERCHANGEABLE
Cap,linear Actuating Cylinder
Moog Inc. Dba Ampac-Isp Corp
Cross-Reference Index
Part NumberManufacturer
27191 PRIMARY Charles Reed Knight Jr Dba Knight's Armament Company (USA)
AN/PAS-31 Joint Electronics Type Designation System (USA)
Related Parts
2810-00-118-1710INTERCHANGEABLE
LINER,PROPELLER THR
27191
1680-00-315-3875INTERCHANGEABLE
COUPLING
2910-00-499-8590INTERCHANGEABLE
VALVE
142-0037
5935-00-819-5958INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
2719-1
5930-00-868-7727INTERCHANGEABLE
SWITCH
4730-01-109-9891INTERCHANGEABLE
FITTING,LUBRICATION
3020-01-172-6846INTERCHANGEABLE
GEAR,SPUR
3040-01-189-4715INTERCHANGEABLE
CAP,LINEAR ACTUATING CYLINDER
27191X01-001

Frequently Asked Questions

What is NSN 5855-01-595-9294?

NSN 5855-01-595-9294 is a Sight,night Vision Sniperscope, manufactured by Charles Reed Knight Jr Dba Knight's Armament Company, classified under FSC 5855 (No Item Name Available). Status: active.

What are the part numbers for NSN 5855-01-595-9294?

NSN 5855-01-595-9294 has 2 cross-referenced part numbers: 27191 (Charles Reed Knight Jr Dba Knight's Armament Company), AN/PAS-31 (Joint Electronics Type Designation System).

What NSN replaces 5855-01-595-9294?

There are 8 known substitutes for 5855-01-595-9294: 2810-00-118-1710, 1680-00-315-3875, 2910-00-499-8590 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 27191?

Key specifications for 27191: Special Features: THE AN/PAS-31 INOD-LRT IS AN IN LINE CLIP-ON THERMAL NIGHT SIGHT. IT IS A HIGH PERFORMANCE THERMAL WEAPON SIGHT DEVICE, WHICH ALLOWS DAY/NIGHT OPERATION OF ANY WEAPON SYSTEM EQUIPPED WITH A MIL-STD-1913 RAIL. WEIGHT: 1.5 POUNDS DIMENSIONS: 6.75" L X 3.75" H X 3.5" W WEAPONS: FOR SNIPER WEAPONS UP TO .50 CALIBER WATERPROOF: 66 FEET SEAWATER FOR 2 HOURS POWER: OPERATES ON TWO 123 LITHIUM BATTERIES FOR UP TO 6 HOURS RANGE: EFFECTIVE RANGE 800-1000 YARDS FPA: 8-12 MICRON, 340X240 25 MICRON VOX LBS. 1 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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