Product Details | DIAL INDICATING DIFFERENTIAL GAGE

6685-01-120-7957 An instrument designed to measure air, gas, fluid, and vapor differential by means of a pressure sensitive element(s) which transmits energy, by direct linkage, to the indicating pointer of a scale calibrated to units of pressure. The scale may indicate in units of pressure, quantity, or flow.

Part Alternates: 27108, 27-108, 511-88 ITEM 13, 51188ITEM13, 909146, 909-146, 6685-01-120-7957, 01-120-7957, 6685011207957, 011207957

Instruments and Laboratory Equipment | Pressure, Temperature, and Humidity Measuring and Controlling Instruments

Supply Group (FSG) NSN Assign. NIIN
66 22 OCT 1981 01-120-7957

Demand History | NSN 6685-01-120-7957

Part Number Request Date QTY Origin
909-146 2025-12-337 25 DIBBS
909-146 2025-11-322 25 DIBBS
909-146 2025-11-317 22 DIBBS
909-146 2025-08-226 14 DIBBS
909-146 2025-06-168 21 DIBBS
909-146 2025-04-111 1 DIBBS
6685-01-120-7957 2025-02-35 16 US
909-146 2025-01-16 16 DIBBS
909-146 2024-10-291 4 DIBBS
909-146 2024-06-168 5 DIBBS
6685-01-120-7957 2024-03-73 1 United States
909-146 2024-02-58 13 DIBBS
6685-01-120-7957 2024-02-50 13 DIBBS
909-146 2023-11-330 3 DIBBS
909-146 2023-07-197 7 DIBBS
909-146 2023-03-75 4 DIBBS
909-146 2022-11-324 4 DIBBS
909-146 2022-08-226 25 DIBBS
909-146 2022-03-82 46 DIBBS
909-146 2022-03-67 46 DIBBS
909-146 2022-02-48 10 DIBBS
909-146 2021-08-230 1 DIBBS
909-146 2019-02-36 47 DIBBS
6685-01-120-7957 2018-09-256 33 DIBBS
6685-01-120-7957 2018-07-185 35 DIBBS
6685-01-120-7957 2018-04-113 26 DIBBS
6685-01-120-7957 2018-02-54 1 DIBBS-RFPs
6685-01-120-7957 2018-01-03 20 DIBBS
6685-01-120-7957 2017-08-235 34 DIBBS
6685-01-120-7957 2017-03-66 31 DIBBS
6685-01-120-7957 2016-12-341 22 DIBBS
6685-01-120-7957 2016-05-131 22 DIBBS
6685-01-120-7957 2016-04-101 28 DIBBS
6685-01-120-7957 2015-10-287 31 DIBBS
6685-01-120-7957 2015-10-279 31 DIBBS
6685-01-120-7957 2012-08-216 84 DIBBS
6685-01-120-7957 2010-11-323 57 DIBBS
6685-01-120-7957 2009-08-219 163 DIBBS
6685-01-120-7957 2009-04-91 18 DIBBS
6685-01-120-7957 2009-01-27 12 DIBBS

Cross Reference | NSN 6685-01-120-7957

Part Number Cage Code Manufacturer
27-108 67193 ARCO ENGINEERING, INC.
511-88 ITEM 13 14818 DONALDSON COMPANY INC.
909-146 13520 WESTERN FILTER, A DIVISION OF DONALDSON COMPANY, INC.
909-146 14818 DONALDSON COMPANY INC.

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Technical Data | NSN 6685-01-120-7957

Characteristic Specifications
ACTUATION TYPE ANY ACCEPTABLE
ACTUATING ELEMENT MATERIAL STEEL, STAINLESS
SCALE TYPE SINGLE
SCALE NAME DIFFERENTIAL PRESSURE
SCALE RANGE 40.0 TO 200.0 POUNDS PRESSURE PER SQUARE INCH
GRADUATION UNIT 20.0 POUNDS PER SQUARE INCH
SCALE SMALLEST INCREMENT 10.0 POUNDS PER SQUARE INCH
POINTER TYPE INDICATING
ADJUSTABILITY ADJUSTABLE
POINTER COLOR BLACK
OVERALL DIAMETER 4.500 INCHES NOMINAL
OVERALL DEPTH 2.250 INCHES NOMINAL
CONNECTOR TYPE VENT NOT PROVIDED
III END ITEM IDENTIFICATION POSEIDON MATERIAL; TRIDENT MATERIAL

Restrictions/Controls & Freight Information | NSN 6685-01-120-7957

Category Code Description
Shelf-Life Code:0Nondeteriorative
Hazardous Material Indicator CodePThere is no information in the HMIS; however, the NSN is in an FSC in Table II of Federal Standard 313 and an MSDS may be required by the user. The requirement for an MSDS is dependent on a hazard determination of the supplier or the intended end use of the product
Demilitarization Code:ANon-Munitions List Item/ Non-Strategic List Item - Demilitarization not required.
Controlled Inventory Item Code:UUNCLASSIFIED
Precious Metals Indicator Code:AItem does not contain precious metal
Criticality Code:X The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
Category Code Description
NMF Description 121570 GAGES AIR LIQUID LEVEL PRESSURE
Less than car load rating
Less than truck load rating J 100.2
Water commodity Code 653 unknown
Originating Activity Code CX Defense Supply Center Richmond
Richmond, VA 23297-5000
Air Dimension Code A Shipment is not a consolidation and does not exceed 72 inches in any dimension.
Air Commodity V Vehicles, machinery, shop and warehouse equipment and supplies, including special tools and equipment, ground servicing and special purpose vehicles, marine equipment and supplies, repair and maintenance parts for the above.
Air Special Handling Q Extremely fragile items including delicate instruments.
Special Handling Code 9 unknonwn
HAZMAT
Type of Cargo Z No special type of cargo code applicable

Management | NSN 6685-01-120-7957

Category Code Description
Cognizance Codes9BNavy-owned stocks of DLA material
Naval Inventory Control Point, Mechanicsburg
Source of SupplySMSDefense Logistics Agency
Enterprise Business Systems
AgencyDNDepartment of the Navy
Service OrganizationNU.S. Navy
Acquisition Advice CodesDDoD INTEGRATED MATERIEL-MANAGED, STOCKED, AND ISSUED # Issue, transfer, or shipment is not subject to specialized controls other than those imposed by the Integrated Materiel Manager/Service supply policy. 1. The item is centrally managed, stocked, and issued. 2. Requisitions must contain the fund citation required to acquire the item. Requisitions will be submitted in accordance with Integrated Materiel Manager(IMM)/Service requisitioning procedures.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
1
EA : Each