PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

50124Front,spectacle

Parmelee Industries, Inc. Dba U S Safety · NSN 6540-01-272-2088 · FSC 6540 · No Item Name Available
Verified by PartsTable
NSN 6540-01-272-2088 — this item is cataloged by the U.S. Government under National Stock Number 6540-01-272-2088. Primary manufacturer part number: 50124.
Features
  • Front,spectacle — FSC 6540
  • End Piece Type: 7 BARREL
  • Color: BLACK
  • Eye Wire Maximum Horizontal Inside Diameter: 50.0 MILLIMETERS MM
  • Bridge Width: 24.0 MILLIMETERS MM
  • Style Designator: KEYHOLE BRIDGE WITH RIGID NOSE PADS
  • 1 verified cross-reference
  • Primary manufacturer: Parmelee Industries, Inc. Dba U S Safety
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Front,spectacle, cataloged under National Stock Number 6540-01-272-2088, is classified within Federal Supply Class 6540 (No Item Name Available) of the Medical, Dental, and Veterinary Equipment group. The primary manufacturer of record is Parmelee Industries, Inc. Dba U S Safety. Government technical data includes 5 verified specifications, 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. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN6540-01-272-2088
Primary Part Number50124
Item NameFront,spectacle
FSC / FSG6540 / 65 — No Item Name Available
ManufacturerParmelee Industries, Inc. Dba U S Safety
StatusACTIVE
End Piece Type7 BARREL
ColorBLACK
Eye Wire Maximum Horizontal Inside Diameter50.0 MILLIMETERS MM
Bridge Width24.0 MILLIMETERS MM
Style DesignatorKEYHOLE BRIDGE WITH RIGID NOSE PADS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Unit of IssueEA
Verified Substitutes 11
4810-00-007-658050124 INTERCHANGEABLE
Shaft,valve
Aar Allen Services, Inc Dba Aar Component Services Wellington
2920-00-247-537450124 INTERCHANGEABLE
Coil,ignition
Dresser, Llc
5330-00-285-945451X455 INTERCHANGEABLE
Seal,plain Encased
Garlock Sealing Technologies Llc Dba Garlock Sealing Technologies Llc
3040-00-356-3265SC-B-69379 INTERCHANGEABLE
Detent Plate
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
5330-00-822-658750124 INTERCHANGEABLE
Packing,preformed
Page Chester Ltd Dba Cooperative Industries Div Cooperative Industries Aerospace Defense
4820-00-874-730650-124 INTERCHANGEABLE
Valve,check
Mission Systems Davenport Inc.
2805-00-981-2513 INTERCHANGEABLE
Connecting Rod,piston
2510-01-165-08963086 INTERCHANGEABLE
Shock Absorber,direct Action
Tenneco Inc
5961-01-172-4186 INTERCHANGEABLE
Semiconductor Device,diode
4820-01-342-837350124 INTERCHANGEABLE
Valve,check
Mission Systems Davenport Inc.
Cross-Reference Index
Part NumberManufacturer
50124 Parmelee Industries, Inc. Dba U S Safety (USA)
Related Parts
4810-00-007-6580INTERCHANGEABLE
SHAFT,VALVE
50124
2920-00-247-5374INTERCHANGEABLE
COIL,IGNITION
50124
5330-00-285-9454INTERCHANGEABLE
SEAL,PLAIN ENCASED
51X455
3040-00-356-3265INTERCHANGEABLE
DETENT PLATE
SC-B-69379
5330-00-822-6587INTERCHANGEABLE
PACKING,PREFORMED
50124
4820-00-874-7306INTERCHANGEABLE
VALVE,CHECK
50-124
2805-00-981-2513INTERCHANGEABLE
CONNECTING ROD,PISTON
2510-01-165-0896INTERCHANGEABLE
SHOCK ABSORBER,DIRECT ACTION
3086
5961-01-172-4186INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
4820-01-342-8373INTERCHANGEABLE
VALVE,CHECK
50124
4210-01-363-3769INTERCHANGEABLE
MANIFOLD,DISCHARGE
50124

Frequently Asked Questions

What is NSN 6540-01-272-2088?

NSN 6540-01-272-2088 is a Front,spectacle, manufactured by Parmelee Industries, Inc. Dba U S Safety, classified under FSC 6540 (No Item Name Available). Status: active.

What are the part numbers for NSN 6540-01-272-2088?

NSN 6540-01-272-2088 has 1 cross-referenced part number: 50124 (Parmelee Industries, Inc. Dba U S Safety).

What NSN replaces 6540-01-272-2088?

There are 11 known substitutes for 6540-01-272-2088: 4810-00-007-6580, 2920-00-247-5374, 5330-00-285-9454 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 50124?

Key specifications for 50124: Special Features: FEMALE STYLE; OPAQUE IN COLOR; SAFETY BEVEL; End Piece Type: 7 BARREL; Color: BLACK; Eye Wire Maximum Horizontal Inside Diameter: 50.0 MILLIMETERS MM. 7 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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