PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

91793Peep Sight Assembly

Aesys Technologies, L.l.c. Dba Jackson & Church Hvac Global Div York Shipley Global · NSN 4510-00-477-8273 · FSC 4510 · No Item Name Available
Verified by PartsTable
NSN 4510-00-477-8273 — this item is cataloged by the U.S. Government under National Stock Number 4510-00-477-8273. Primary manufacturer part number: 91793.
Features
  • Peep Sight Assembly — FSC 4510
  • General Characteristics Item Description: CONSISTS OF TH FOLLOWING NONSUPPLY ITEMS AND QUANTITIES 4; N91605A CAP 1; N91731A GASKET 2; N91792A RETAINER 1; GLASS 0.125 IN. THK; 1.125 IN. DIA PYREX 100450 1; 1.500 IN. O/A OD; 0.865 IN. O/A H; THD INTERNAL OPPOSITE GLASS END 1.000 IN. 11-1/2 NPT IN
  • 1 verified cross-reference
  • Primary manufacturer: Aesys Technologies, L.l.c. Dba Jackson & Church Hvac Global Div York Shipley Global
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Peep Sight Assembly, cataloged under National Stock Number 4510-00-477-8273, is classified within Federal Supply Class 4510 (No Item Name Available) of the Plumbing, Heating, and Waste Disposal group. The primary manufacturer of record is Aesys Technologies, L.l.c. Dba Jackson & Church Hvac Global Div York Shipley Global. 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. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4510-00-477-8273
Primary Part Number91793
Item NamePeep Sight Assembly
FSC / FSG4510 / 45 — No Item Name Available
ManufacturerAesys Technologies, L.l.c. Dba Jackson & Church Hvac Global Div York Shipley Global
StatusACTIVE
General Characteristics Item DescriptionCONSISTS OF TH FOLLOWING NONSUPPLY ITEMS AND QUANTITIES 4; N91605A CAP 1; N91731A GASKET 2; N91792A RETAINER 1; GLASS 0.125 IN. THK; 1.125 IN. DIA PYREX 100450 1; 1.500 IN. O/A OD; 0.865 IN. O/A H; THD INTERNAL OPPOSITE GLASS END 1.000 IN. 11-1/2 NPT IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
4730-00-287-1537SAE J512 6 060110B INTERCHANGEABLE
Nut,tube Coupling
Sae International Dba Sae International
5930-00-532-605891793 INTERCHANGEABLE
Switch,rotary
L3harris Technologies, Inc Div Space & Airborne Systems
4240-00-770-026691793 INTERCHANGEABLE
Demand Regulator,valve
Mine Safety Appliances Company
6145-00-984-6262 INTERCHANGEABLE
Cable,radio Frequency
6130-01-506-010191793 INTERCHANGEABLE
Power Supply
Pico Electronics Inc
Cross-Reference Index
Part NumberManufacturer
91793 PRIMARY Aesys Technologies, L.l.c. Dba Jackson & Church Hvac Global Div York Shipley Global (USA)
Related Parts
4730-00-287-1537INTERCHANGEABLE
NUT,TUBE COUPLING
SAE J512 6 060110B
5930-00-532-6058INTERCHANGEABLE
SWITCH,ROTARY
91793
4240-00-770-0266INTERCHANGEABLE
DEMAND REGULATOR,VALVE
91793
6145-00-984-6262INTERCHANGEABLE
CABLE,RADIO FREQUENCY
6130-01-506-0101INTERCHANGEABLE
POWER SUPPLY
91793

Frequently Asked Questions

What is NSN 4510-00-477-8273?

NSN 4510-00-477-8273 is a Peep Sight Assembly, manufactured by Aesys Technologies, L.l.c. Dba Jackson & Church Hvac Global Div York Shipley Global, classified under FSC 4510 (No Item Name Available). Status: active.

What are the part numbers for NSN 4510-00-477-8273?

NSN 4510-00-477-8273 has 1 cross-referenced part number: 91793 (Aesys Technologies, L.l.c. Dba Jackson & Church Hvac Global Div York Shipley Global).

What NSN replaces 4510-00-477-8273?

There are 5 known substitutes for 4510-00-477-8273: 4730-00-287-1537, 5930-00-532-6058, 4240-00-770-0266 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 91793?

Key specifications for 91793: General Characteristics Item Description: CONSISTS OF TH FOLLOWING NONSUPPLY ITEMS AND QUANTITIES 4; N91605A CAP 1; N91731A GASKET 2; N91792A RETAINER 1; GLASS 0.125 IN. THK; 1.125 IN. DIA PYREX 100450 1; 1.500 IN. O/A OD; 0.865 IN. O/A H; THD INTERNAL OPPOSITE GLASS END 1.000 IN. 11-1/2 NPT IN. 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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