PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

A5-11Gage,pressure,oxygen

Bellofram Corporation · NSN 6685-01-016-1256 · FSC 6685 · No Item Name Available
Verified by PartsTable
NSN 6685-01-016-1256 — this item is cataloged by the U.S. Government under National Stock Number 6685-01-016-1256. Primary manufacturer part number: A5-11.
Features
  • Gage,pressure,oxygen — FSC 6685
  • General Characteristics Item Description: 1.438 IN. LG,1.312 IN. W,1.110 IN. H,BERYLLIUM COPPER BOURDON TUBE,0.125 IN. NPT EXTERNAL CONNECTION,PRESSURE RANGE 0.0 TO 2500.0 PSI,TEMPERATURE RANGE M65.0 DEG F TO P160.0 DEG F,DIAL MARKED AT 1800.0 PSI AND 2500.0 PSI IN
  • 6 verified cross-references
  • Primary manufacturer: Bellofram Corporation
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Gage,pressure,oxygen, cataloged under National Stock Number 6685-01-016-1256, 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 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN6685-01-016-1256
Primary Part NumberA5-11
Item NameGage,pressure,oxygen
FSC / FSG6685 / 66 — No Item Name Available
ManufacturerBellofram Corporation
StatusCANCELLED
General Characteristics Item Description1.438 IN. LG,1.312 IN. W,1.110 IN. H,BERYLLIUM COPPER BOURDON TUBE,0.125 IN. NPT EXTERNAL CONNECTION,PRESSURE RANGE 0.0 TO 2500.0 PSI,TEMPERATURE RANGE M65.0 DEG F TO P160.0 DEG F,DIAL MARKED AT 1800.0 PSI AND 2500.0 PSI IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 11
5325-00-063-7989A511 INTERCHANGEABLE
Eyelet,metallic
Edwin B. Stimpson Company, Inc. Dba Stimpson
3110-00-143-753839590 INTERCHANGEABLE
Cone and Rollers,tapered Roller
The Timken Corporation
5977-00-144-4533 INTERCHANGEABLE
Brush Set,electrical Contact
4710-00-212-7404 INTERCHANGEABLE
Tube,metallic
3020-00-476-3039 INTERCHANGEABLE
Gear Set,helical,matched
6685-00-537-2490 INTERCHANGEABLE
Gage,pressure,dial Indicating
4710-00-901-7166 INTERCHANGEABLE
Tube,metallic
4710-00-901-7167 INTERCHANGEABLE
Tube,metallic
4710-00-901-7168 INTERCHANGEABLE
Tube,metallic
4710-00-901-7169 INTERCHANGEABLE
Tube,metallic
Cross-Reference Index
Part NumberManufacturer
A5-11 PRIMARY Bellofram Corporation (USA)
A5-11 Desco Corp Marsh Bellofram Div (USA)
741376 Mission Systems Orchard Park Inc (USA)
741376 American Safety Flight Systems Inc (USA)
2-10A2 Erie Mfg Co (USA)
3150260-110-1 Lockheed Martin Corporation Dba Lockheed Martin Div Rotary and Mission Systems (USA)
Related Parts
5325-00-063-7989INTERCHANGEABLE
EYELET,METALLIC
A511
3110-00-143-7538INTERCHANGEABLE
CONE AND ROLLERS,TAPERED ROLLER
39590
5977-00-144-4533INTERCHANGEABLE
BRUSH SET,ELECTRICAL CONTACT
4710-00-212-7404INTERCHANGEABLE
TUBE,METALLIC
3020-00-476-3039INTERCHANGEABLE
GEAR SET,HELICAL,MATCHED
6685-00-537-2490INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
4710-00-901-7166INTERCHANGEABLE
TUBE,METALLIC
4710-00-901-7167INTERCHANGEABLE
TUBE,METALLIC
4710-00-901-7168INTERCHANGEABLE
TUBE,METALLIC
4710-00-901-7169INTERCHANGEABLE
TUBE,METALLIC
5340-01-285-0142INTERCHANGEABLE
CAP,PROTECTIVE,DUST AND MOISTURE
12576937

Frequently Asked Questions

What is NSN 6685-01-016-1256?

NSN 6685-01-016-1256 is a Gage,pressure,oxygen, manufactured by Bellofram Corporation, classified under FSC 6685 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 6685-01-016-1256?

NSN 6685-01-016-1256 has 6 cross-referenced part numbers: A5-11 (Bellofram Corporation), A5-11 (Desco Corp Marsh Bellofram Div), 741376 (Mission Systems Orchard Park Inc), 741376 (American Safety Flight Systems Inc), 2-10A2 (Erie Mfg Co) and 1 more.

What NSN replaces 6685-01-016-1256?

There are 11 known substitutes for 6685-01-016-1256: 5325-00-063-7989, 3110-00-143-7538, 5977-00-144-4533 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of A5-11?

Key specifications for A5-11: End Item Identification: AIRCRAFT MODEL A-10A A; General Characteristics Item Description: 1.438 IN. LG,1.312 IN. W,1.110 IN. H,BERYLLIUM COPPER BOURDON TUBE,0.125 IN. NPT EXTERNAL CONNECTION,PRESSURE RANGE 0.0 TO 2500.0 PSI,TEMPERATURE RANGE M65.0 DEG F TO P160.0 DEG F,DIAL MARKED AT 1800.0 PSI AND 2500.0 PSI IN. 2 total characteristics are documented in the Federal Logistics Information System.

Is NSN 6685-01-016-1256 still in active supply?

NSN 6685-01-016-1256 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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