PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

H1268Gage,pressure,dial Indicating

Bellofram Corporation · NSN 6685-01-110-3865 · FSC 6685 · No Item Name Available
Verified by PartsTable
NSN 6685-01-110-3865 — this item is cataloged by the U.S. Government under National Stock Number 6685-01-110-3865. Primary manufacturer part number: H1268.
Features
  • Gage,pressure,dial Indicating — FSC 6685
  • Color: BLACK CASE
  • Surface Treatment: ENAMEL CASE
  • Material: COPPER ALLOY ACTUATING ELEMENT
  • Material: GLASS PROTECTIVE CRYSTAL
  • Material: STEEL ALLOY CASE
  • Bolt Circle Diameter: 4.312 INCHES NOMINAL IN
  • Mounting Hole Quantity: 3
Applications
  • Applications requiring Copper Alloy Actuating Element construction
General Description

The Gage,pressure,dial Indicating, cataloged under National Stock Number 6685-01-110-3865, is classified within Federal Supply Class 6685 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Bellofram Corporation. Government technical data includes 28 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6685-01-110-3865
Primary Part NumberH1268
Item NameGage,pressure,dial Indicating
FSC / FSG6685 / 66 — No Item Name Available
ManufacturerBellofram Corporation
StatusACTIVE
ColorBLACK CASE
Surface TreatmentENAMEL CASE
MaterialCOPPER ALLOY ACTUATING ELEMENT
MaterialGLASS PROTECTIVE CRYSTAL
MaterialSTEEL ALLOY CASE
Bolt Circle Diameter4.312 INCHES NOMINAL IN
Mounting Hole Quantity3
Graduation Unit100.0 POUNDS PER SQUARE INCH LBS
Pointer ColorBLACK
Pointer TypeINDICATING
Bezel TypeSLIPS-ON
Scale TypeSINGLE
Scale AccuracyPORM 1 PCT FULL RANGE
Connection LocationBOTTOM
Connector Type VentNOT PROVIDED
Actuation TypeBOURDON TUBE
Mounting MethodFLANGE
Connection Size0.250 IN. NPT DIA IN
Scale Inscription/background ColorBLACK MARKINGS ON WHITE BACKGROUND
AdjustabilityADJUSTABLE
Dial Size3-1/2 IN. DIA IN
Scale Smallest Increment20.0 POUNDS PER SQUARE INCH (PSI) LBS
Scale Range+0.0 TO 1000.0 POUNDS PRESSURE PER SQUARE INCH LBS
Connection Quantity1
Connection TypeEXTERNAL
Scale NamePRESSURE
Overall Diameter4.875 INCHES NOMINAL IN
Mounting Hole Diameter0.219 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5120-00-199-7771 INTERCHANGEABLE
Socket,socket Wrench
5120-00-242-3373 INTERCHANGEABLE
Socket,socket Wrench
5340-00-513-27127128168P4 INTERCHANGEABLE
Boot,dust and Moisture Seal
Lockheed Martin Corporation Div Rms
Cross-Reference Index
Part NumberManufacturer
H1272 Bellofram Corporation (USA)
H1272 Desco Corp Marsh Bellofram Div (USA)
H1268 PRIMARY Bellofram Corporation (USA)
H1268 Desco Corp Marsh Bellofram Div (USA)
Related Parts
5120-00-199-7771INTERCHANGEABLE
SOCKET,SOCKET WRENCH
5120-00-242-3373INTERCHANGEABLE
SOCKET,SOCKET WRENCH
5340-00-513-2712INTERCHANGEABLE
BOOT,DUST AND MOISTURE SEAL
7128168P4

Frequently Asked Questions

What is NSN 6685-01-110-3865?

NSN 6685-01-110-3865 is a Gage,pressure,dial Indicating, manufactured by Bellofram Corporation, classified under FSC 6685 (No Item Name Available). Status: active.

What are the part numbers for NSN 6685-01-110-3865?

NSN 6685-01-110-3865 has 4 cross-referenced part numbers: H1272 (Bellofram Corporation), H1272 (Desco Corp Marsh Bellofram Div), H1268 (Bellofram Corporation), H1268 (Desco Corp Marsh Bellofram Div).

What NSN replaces 6685-01-110-3865?

There are 3 known substitutes for 6685-01-110-3865: 5120-00-199-7771, 5120-00-242-3373, 5340-00-513-2712. Verify interchangeability with system specifications before substitution.

What are the specifications of H1268?

Key specifications for H1268: Color: BLACK CASE; Surface Treatment: ENAMEL CASE; Material: COPPER ALLOY ACTUATING ELEMENT; Material: GLASS PROTECTIVE CRYSTAL. 29 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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