PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

HD39Gage,pressure,dial Indicating

Bristol Babcock Inc Helicoid Instruments Div · NSN 6685-00-058-1507 · FSC 6685 · No Item Name Available
Verified by PartsTable
NSN 6685-00-058-1507 — this item is cataloged by the U.S. Government under National Stock Number 6685-00-058-1507. Primary manufacturer part number: HD39.
Features
  • Gage,pressure,dial Indicating — FSC 6685
  • Connection Location: LOWER
  • Material: PLASTIC AND STEEL CASE
  • Connection Size: 0.250 IN. NPT DIA IN
  • Mounting Hole Quantity: 3
  • Mounting Method: SURFACE WALL
  • Connector Type Vent: NOT PROVIDED
  • Scale Inscription/background Color: BLACK FIGURES ON WHITE BACKGROUND
Applications
  • Applications requiring Plastic and Steel Case construction
General Description

The Gage,pressure,dial Indicating, cataloged under National Stock Number 6685-00-058-1507, is classified within Federal Supply Class 6685 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Bristol Babcock Inc Helicoid Instruments Div. Government technical data includes 26 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6685-00-058-1507
Primary Part NumberHD39
Item NameGage,pressure,dial Indicating
FSC / FSG6685 / 66 — No Item Name Available
ManufacturerBristol Babcock Inc Helicoid Instruments Div
StatusACTIVE
Connection LocationLOWER
MaterialPLASTIC AND STEEL CASE
Connection Size0.250 IN. NPT DIA IN
Mounting Hole Quantity3
Mounting MethodSURFACE WALL
Connector Type VentNOT PROVIDED
Scale Inscription/background ColorBLACK FIGURES ON WHITE BACKGROUND
FSC Application DataGAGE,PRESSURE,DIAL INDICATING,EXCEPT ENGINE SN
Scale Accuracy1/2 OF 1 PCT ENTIRE RANGE
Bezel TypeSNAP-ON
Scale NamePRESSURE
Dial Size3-1/2 IN. DIA IN
Actuation TypeSINGLE BOURDON TUBE
Mounting Hole Diameter0.156 INCHES NOMINAL IN
AdjustabilityADJUSTABLE
Connection Quantity1
Scale Range+0.0 TO 100.0 POUNDS PRESSURE PER SQUARE INCH LBS
Pointer ColorBLACK
Pointer TypeINDICATING
Graduation Unit10.0 POUNDS LBS
Scale TypeSINGLE
Scale Smallest Increment1.0 POUNDS LBS
Bolt Circle Diameter4.250 INCHES NOMINAL IN
MaterialBRONZE ACTUATING ELEMENT
Overall Diameter4.125 INCHES NOMINAL IN
MaterialGLASS PROTECTIVE CRYSTAL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
6685-00-050-134935-410R-1/4L-0-400 INTERCHANGEABLE
Gage,pressure,dial Indicating
Bristol Babcock Inc Helicoid Instruments Div
6685-00-050-1352E1C1F3A10024UAA INTERCHANGEABLE
Gage,pressure,dial Indicating
Bristol Babcock Inc Helicoid Instruments Div
6685-00-058-1505HD35 INTERCHANGEABLE
Gage,pressure,dial Indicating
Bristol Babcock Inc Helicoid Instruments Div
6685-00-065-1485AA442PM4RW INTERCHANGEABLE
Gage,pressure,dial Indicating
Ashcroft Inc Dba Heise
6685-00-067-781735-1009-AW-02B-160# INTERCHANGEABLE
Gage,pressure,dial Indicating
Ashcroft Inc Dba Heise
6685-00-168-0386155007-1980 INTERCHANGEABLE
Gage,pressure,dial Indicating
Ametek, Inc. Div Aerospace & Defense
6685-00-194-168345-1279AS-02L-15 INTERCHANGEABLE
Gage,pressure,dial Indicating
Ashcroft Inc Dba Heise
6685-00-194-1699F4C1B3A000000 INTERCHANGEABLE
Gage,pressure,dial Indicating
Bristol Babcock Inc Helicoid Instruments Div
5120-00-203-6437410-R INTERCHANGEABLE
Clamp,c
Diecraft Inc
6685-00-475-7271 INTERCHANGEABLE
Gage,pressure,dial Indicating
Cross-Reference Index
Part NumberManufacturer
410R Bristol Babcock Inc Helicoid Instruments Div (USA)
35-410R-1/4L-0-100 Bristol Babcock Inc Helicoid Instruments Div (USA)
HD39 PRIMARY Bristol Babcock Inc Helicoid Instruments Div (USA)
Related Parts
6685-00-050-1349INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
35-410R-1/4L-0-400
6685-00-050-1352INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
E1C1F3A10024UAA
6685-00-058-1505INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
HD35
6685-00-065-1485INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
AA442PM4RW
6685-00-067-7817INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
35-1009-AW-02B-160#
6685-00-168-0386INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
155007-1980
6685-00-194-1683INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
45-1279AS-02L-15
6685-00-194-1699INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
F4C1B3A000000
5120-00-203-6437INTERCHANGEABLE
CLAMP,C
410-R
6685-00-475-7271INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
3455-00-483-6933INTERCHANGEABLE
FILE,ROTARY
6685-00-585-4428INTERCHANGEABLE
GAGE,COMPOUND PRESSURE-VACUUM,DI
1903 1/4LBM4.5-200PSI/30VAC

Frequently Asked Questions

What is NSN 6685-00-058-1507?

NSN 6685-00-058-1507 is a Gage,pressure,dial Indicating, manufactured by Bristol Babcock Inc Helicoid Instruments Div, classified under FSC 6685 (No Item Name Available). Status: active.

What are the part numbers for NSN 6685-00-058-1507?

NSN 6685-00-058-1507 has 3 cross-referenced part numbers: 410R (Bristol Babcock Inc Helicoid Instruments Div), 35-410R-1/4L-0-100 (Bristol Babcock Inc Helicoid Instruments Div), HD39 (Bristol Babcock Inc Helicoid Instruments Div).

What NSN replaces 6685-00-058-1507?

There are 12 known substitutes for 6685-00-058-1507: 6685-00-050-1349, 6685-00-050-1352, 6685-00-058-1505 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of HD39?

Key specifications for HD39: Overall Depth: 1.984 INCHES NOMINAL IN; Connection Location: LOWER; Material: PLASTIC AND STEEL CASE; Connection Size: 0.250 IN. NPT DIA IN. 27 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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