PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

61591Gage Assembly,test,pressure

Ametek, Inc. Div Aerospace & Defense · NSN 6685-00-470-8644 · FSC 6685 · No Item Name Available
Verified by PartsTable
NSN 6685-00-470-8644 — this item is cataloged by the U.S. Government under National Stock Number 6685-00-470-8644. Primary manufacturer part number: 61591.
Features
  • Gage Assembly,test,pressure — FSC 6685
  • 4 verified cross-references
  • Primary manufacturer: Ametek, Inc. Div Aerospace & Defense
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Gage Assembly,test,pressure, cataloged under National Stock Number 6685-00-470-8644, 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. Div Aerospace & Defense. This item has 4 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN6685-00-470-8644
Primary Part Number61591
Item NameGage Assembly,test,pressure
FSC / FSG6685 / 66 — No Item Name Available
ManufacturerAmetek, Inc. Div Aerospace & Defense
StatusCANCELLED
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 3
3110-00-100-0516 INTERCHANGEABLE
Cup,tapered Roller Bearing
2520-00-734-90956-1-591 INTERCHANGEABLE
Flange,companion,vehicular Unive
Dana Corp Spicer Transmission Div
5935-00-838-50114007-0004 INTERCHANGEABLE
Connector,plug,electrical
Sv Microwave, Inc. Div Sv Microwave
Cross-Reference Index
Part NumberManufacturer
61591 Ametek, Inc. Div Aerospace & Defense (USA)
1411 Ametek, Inc. Div Aerospace & Defense (USA)
4S94753-101A Lockheed Martin Corp (USA)
6215 General Machine Products Company, Inc. Dba Gmp (USA)
Related Parts
3110-00-100-0516INTERCHANGEABLE
CUP,TAPERED ROLLER BEARING
2520-00-734-9095INTERCHANGEABLE
FLANGE,COMPANION,VEHICULAR UNIVE
6-1-591
5935-00-838-5011INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
4007-0004

Frequently Asked Questions

What is NSN 6685-00-470-8644?

NSN 6685-00-470-8644 is a Gage Assembly,test,pressure, manufactured by Ametek, Inc. Div Aerospace & Defense, classified under FSC 6685 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 6685-00-470-8644?

NSN 6685-00-470-8644 has 4 cross-referenced part numbers: 61591 (Ametek, Inc. Div Aerospace & Defense), 1411 (Ametek, Inc. Div Aerospace & Defense), 4S94753-101A (Lockheed Martin Corp), 6215 (General Machine Products Company, Inc. Dba Gmp).

What NSN replaces 6685-00-470-8644?

There are 3 known substitutes for 6685-00-470-8644: 3110-00-100-0516, 2520-00-734-9095, 5935-00-838-5011. Verify interchangeability with system specifications before substitution.

What are the specifications of 61591?

Key specifications for 61591: Special Features: 0 TO 30 PSI RANGE. 1 total characteristics are documented in the Federal Logistics Information System.

Is NSN 6685-00-470-8644 still in active supply?

NSN 6685-00-470-8644 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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