PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

T3ATester,pressure Gage

Ametek Inc · NSN 6685-00-821-0791 · FSC 6685 · No Item Name Available
Verified by PartsTable
NSN 6685-00-821-0791 — this item is cataloged by the U.S. Government under National Stock Number 6685-00-821-0791. Primary manufacturer part number: T3A.
Features
  • Tester,pressure Gage — FSC 6685
  • Leveling Screw: NOT PROVIDED
  • Accessory Components and Quantity: ADAPTERS 3; MANIFOLD PIPE 1; WRENCHES 3
  • Portability: PORTABLE
  • Test Range: +0.0 TO 30.0 POUNDS PER SQUARE INCH AND +0.0 TO 600.0 POUNDS PER SQUARE INCH AND +0.0 TO 3000.0 POUNDS PER SQUARE INCH AND +0.0 TO 5000.0 POUNDS PER SQUARE INCH LBS
  • Mounting Type: BENCH
  • Scale Calibration Method: MASTER GAGE COMPARISON
  • Carrying Case: PROVIDED
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Tester,pressure Gage, cataloged under National Stock Number 6685-00-821-0791, is classified within Federal Supply Class 6685 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Ametek Inc. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6685-00-821-0791
Primary Part NumberT3A
Item NameTester,pressure Gage
FSC / FSG6685 / 66 — No Item Name Available
ManufacturerAmetek Inc
StatusACTIVE
Leveling ScrewNOT PROVIDED
Accessory Components and QuantityADAPTERS 3; MANIFOLD PIPE 1; WRENCHES 3
PortabilityPORTABLE
Test Range+0.0 TO 30.0 POUNDS PER SQUARE INCH AND +0.0 TO 600.0 POUNDS PER SQUARE INCH AND +0.0 TO 3000.0 POUNDS PER SQUARE INCH AND +0.0 TO 5000.0 POUNDS PER SQUARE INCH LBS
Mounting TypeBENCH
Scale Calibration MethodMASTER GAGE COMPARISON
Carrying CasePROVIDED
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
6675-00-087-4426 INTERCHANGEABLE
Theodolite,surveying
5935-00-859-8126T3A INTERCHANGEABLE
Tee Adapter
Ted Manufacturing Corp Div Ted Manufacturing Corporation
6160-00-997-4340T3ABATTERYCASE INTERCHANGEABLE
Battery Box
Leica Geosystems Inc.
5340-01-336-5747T3A INTERCHANGEABLE
Plug,protective,dust and Moistur
Bunzl Plastic Inc Dba Alliance Plastics
6685-01-393-4380T-3A INTERCHANGEABLE
Test Set Subassembly,humidity-Pr
Ametek, Inc. Dba Pmt Products Div Pmt Products
Cross-Reference Index
Part NumberManufacturer
T3A PRIMARY Ametek Inc (USA)
10-30 Ametek Inc (USA)
Related Parts
6675-00-087-4426INTERCHANGEABLE
THEODOLITE,SURVEYING
5935-00-859-8126INTERCHANGEABLE
TEE ADAPTER
T3A
6160-00-997-4340INTERCHANGEABLE
BATTERY BOX
T3ABATTERYCASE
5340-01-336-5747INTERCHANGEABLE
PLUG,PROTECTIVE,DUST AND MOISTUR
T3A
6685-01-393-4380INTERCHANGEABLE
TEST SET SUBASSEMBLY,HUMIDITY-PR
T-3A

Frequently Asked Questions

What is NSN 6685-00-821-0791?

NSN 6685-00-821-0791 is a Tester,pressure Gage, manufactured by Ametek Inc, classified under FSC 6685 (No Item Name Available). Status: active.

What are the part numbers for NSN 6685-00-821-0791?

NSN 6685-00-821-0791 has 2 cross-referenced part numbers: T3A (Ametek Inc), 10-30 (Ametek Inc).

What NSN replaces 6685-00-821-0791?

There are 5 known substitutes for 6685-00-821-0791: 6675-00-087-4426, 5935-00-859-8126, 6160-00-997-4340 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of T3A?

Key specifications for T3A: Leveling Screw: NOT PROVIDED; Accessory Components and Quantity: ADAPTERS 3; MANIFOLD PIPE 1; WRENCHES 3; Portability: PORTABLE; Test Range: +0.0 TO 30.0 POUNDS PER SQUARE INCH AND +0.0 TO 600.0 POUNDS PER SQUARE INCH AND +0.0 TO 3000.0 POUNDS PER SQUARE INCH AND +0.0 TO 5000.0 POUNDS PER SQUARE INCH LBS. 7 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