PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4 1-2 100-3SFMH1-2LBM3000Gage,pressure,dial Indicating

Desco Corp Marsh Bellofram Div · NSN 6685-00-068-6118 · FSC 6685 · No Item Name Available
Verified by PartsTable
NSN 6685-00-068-6118 — this item is cataloged by the U.S. Government under National Stock Number 6685-00-068-6118. Primary manufacturer part number: 4 1-2 100-3SFMH1-2LBM3000.
Features
  • Gage,pressure,dial Indicating — FSC 6685
  • Overall Diameter: 6.312 INCHES NOMINAL IN
  • Mounting Hole Quantity: 3
  • Scale Accuracy: 1/2 OF 1 PCT ENTIRE RANGE
  • Scale Inscription/background Color: BLACK FIGURES ON WHITE BACKGROUND
  • Mounting Method: FLUSH PANEL
  • Connection Location: BACK
  • Connection Size: 0.500 IN. NPT DIA IN
Applications
  • Applications requiring Steel Corrosion Resisting Actuating Element construction
General Description

The Gage,pressure,dial Indicating, cataloged under National Stock Number 6685-00-068-6118, is classified within Federal Supply Class 6685 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Desco Corp Marsh Bellofram Div. Government technical data includes 27 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6685-00-068-6118
Primary Part Number4 1-2 100-3SFMH1-2LBM3000
Item NameGage,pressure,dial Indicating
FSC / FSG6685 / 66 — No Item Name Available
ManufacturerDesco Corp Marsh Bellofram Div
StatusACTIVE
Overall Diameter6.312 INCHES NOMINAL IN
Mounting Hole Quantity3
Scale Accuracy1/2 OF 1 PCT ENTIRE RANGE
Scale Inscription/background ColorBLACK FIGURES ON WHITE BACKGROUND
Mounting MethodFLUSH PANEL
Connection LocationBACK
Connection Size0.500 IN. NPT DIA IN
Bezel TypeHINGE
MaterialSTEEL CORROSION RESISTING ACTUATING ELEMENT
MaterialPLASTIC PROTECTIVE CRYSTAL
Mounting Hole Diameter0.219 INCHES NOMINAL IN
Surface TreatmentENAMEL CASE
MaterialSTEEL CASE
Unable to DecodeUNABLE TO DECODE
Pointer ColorBLACK
Scale NamePRESSURE
Actuation TypeSINGLE BOURDON TUBE
Scale Smallest Increment25.0 POUNDS LBS
Graduation Unit300.0 POUNDS LBS
Pointer TypeINDICATING
Connection Quantity1
Bolt Circle Diameter5.688 INCHES NOMINAL IN
AdjustabilityADJUSTABLE
Scale Range+0.0 TO 3000.0 POUNDS PRESSURE PER SQUARE INCH LBS
Scale TypeSINGLE
Dial Size4-1/2 IN. DIA IN
Connector Type VentNOT PROVIDED
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
5133-00-189-9248 INTERCHANGEABLE
Drill,twist
5805-00-219-970924070 INTERCHANGEABLE
Telephone Terminal Subassembly
Telephonics Corp
4310-00-826-979913327-00 INTERCHANGEABLE
Ring,piston
Kaydon Ring & Seal Inc Dba Skf Precision Technologies
2590-01-170-250724070 INTERCHANGEABLE
Base,hoist
Paccar Winch Inc Dba Paccar Winch Division
6110-01-212-590424070 INTERCHANGEABLE
Controller,motor
Ward Leonard Ct Llc
5962-01-361-140224070 INTERCHANGEABLE
Microcircuit,memory
L3 Technologies, Inc. Div Communication Systems-West
4730-01-479-055570001-013 INTERCHANGEABLE
Coupling Assembly Set,quick Disc
Curtiss-Wright Flow Control Service, Llc Dba Engineered Arresting Systems - Esco Div Cw Flow Control Svc Llc Dba
5935-01-509-3473024070 INTERCHANGEABLE
Connector Body,receptacle,electr
Erni Components Inc
2840-01-553-0697 INTERCHANGEABLE
Mount,front,aircraft Gas Turbine
5935-01-566-650824070 INTERCHANGEABLE
Connector,receptacle,electrical
Erni Components Inc
Cross-Reference Index
Part NumberManufacturer
4 1-2 100-3SFMH1-2LBM3000 Desco Corp Marsh Bellofram Div (USA)
4 1-2 100-3SFMH1-2LBM3000 Bellofram Corporation (USA)
24070 Haskel International, Llc Dba Haskel International, Llc (USA)
Related Parts
5133-00-189-9248INTERCHANGEABLE
DRILL,TWIST
5805-00-219-9709INTERCHANGEABLE
TELEPHONE TERMINAL SUBASSEMBLY
24070
4310-00-826-9799INTERCHANGEABLE
RING,PISTON
13327-00
2590-01-170-2507INTERCHANGEABLE
BASE,HOIST
24070
6110-01-212-5904INTERCHANGEABLE
CONTROLLER,MOTOR
24070
5962-01-361-1402INTERCHANGEABLE
MICROCIRCUIT,MEMORY
24070
4730-01-479-0555INTERCHANGEABLE
COUPLING ASSEMBLY SET,QUICK DISC
70001-013
5935-01-509-3473INTERCHANGEABLE
CONNECTOR BODY,RECEPTACLE,ELECTR
024070
2840-01-553-0697INTERCHANGEABLE
MOUNT,FRONT,AIRCRAFT GAS TURBINE
5935-01-566-6508INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
24070

Frequently Asked Questions

What is NSN 6685-00-068-6118?

NSN 6685-00-068-6118 is a Gage,pressure,dial Indicating, manufactured by Desco Corp Marsh Bellofram Div, classified under FSC 6685 (No Item Name Available). Status: active.

What are the part numbers for NSN 6685-00-068-6118?

NSN 6685-00-068-6118 has 3 cross-referenced part numbers: 4 1-2 100-3SFMH1-2LBM3000 (Desco Corp Marsh Bellofram Div), 4 1-2 100-3SFMH1-2LBM3000 (Bellofram Corporation), 24070 (Haskel International, Llc Dba Haskel International, Llc).

What NSN replaces 6685-00-068-6118?

There are 10 known substitutes for 6685-00-068-6118: 5133-00-189-9248, 5805-00-219-9709, 4310-00-826-9799 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 4 1-2 100-3SFMH1-2LBM3000?

Key specifications for 4 1-2 100-3SFMH1-2LBM3000: Overall Diameter: 6.312 INCHES NOMINAL IN; Mounting Hole Quantity: 3; Scale Accuracy: 1/2 OF 1 PCT ENTIRE RANGE; Scale Inscription/background Color: BLACK FIGURES ON WHITE BACKGROUND. 28 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com