PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1000B-28Pump,rotary

Oberdorfer Foundries Inc · NSN 4320-01-118-0985 · FSC 4320 · No Item Name Available
Verified by PartsTable
NSN 4320-01-118-0985 — this item is cataloged by the U.S. Government under National Stock Number 4320-01-118-0985. Primary manufacturer part number: 1000B-28.
Features
  • Pump,rotary — FSC 4320
  • Drive Shaft Length: 1.688 INCHES NOMINAL IN
  • Intake Connection Thread Size and Series/type Designator: 0.250-18 NPT
  • Drive Shaft Type: D-TYPE
  • Discharge Connection Type: THREADED INTERNAL
  • Maximum Discharge Flow Rate: 2.0 GALLONS PER MINUTE
  • Rotary Pump Design: GEAR
  • Discharge Connection Thread Size and Series/type Designator: 0.250-18 NPT
Applications
  • Fluid transfer and circulation
  • Cooling system maintenance
  • Industrial process pumping
General Description

The Pump,rotary, cataloged under National Stock Number 4320-01-118-0985, is classified within Federal Supply Class 4320 (No Item Name Available) of the Pumps and Compressors group. The primary manufacturer of record is Oberdorfer Foundries Inc. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4320-01-118-0985
Primary Part Number1000B-28
Item NamePump,rotary
FSC / FSG4320 / 43 — No Item Name Available
ManufacturerOberdorfer Foundries Inc
StatusACTIVE
Drive Shaft Length1.688 INCHES NOMINAL IN
Intake Connection Thread Size and Series/type Designator0.250-18 NPT
Drive Shaft TypeD-TYPE
Discharge Connection TypeTHREADED INTERNAL
Maximum Discharge Flow Rate2.0 GALLONS PER MINUTE
Rotary Pump DesignGEAR
Discharge Connection Thread Size and Series/type Designator0.250-18 NPT
Intake Connection Quantity1
Operation MethodPOWERED
Discharge Connection Quantity1
Intake Connection TypeTHREADED INTERNAL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
2840-00-040-8866100124-102 INTERCHANGEABLE
Power Amplifier
Kaman Aerospace Corporation
6625-00-052-629910105491-1 INTERCHANGEABLE
Probe,test
Us Army Aviation and Missile Command
5962-00-277-0222SN75154N INTERCHANGEABLE
Microcircuit,linear
Texas Instruments Incorporated
5307-00-510-8798100124 INTERCHANGEABLE
Stud,leveling
Carco Electronics Div Igts
1005-01-693-6983100-124 INTERCHANGEABLE
Mount,rifle
Reptilia Llc
4730-01-707-1270100124 INTERCHANGEABLE
Nipple,hose
Aqualung Usa, Inc
Cross-Reference Index
Part NumberManufacturer
1001-24 Simplex Inc (USA)
1000B-19X4 Oberdorfer Foundries Inc (USA)
1000B-28 PRIMARY Oberdorfer Foundries Inc (USA)
Related Parts
2840-00-040-8866INTERCHANGEABLE
POWER AMPLIFIER
100124-102
6625-00-052-6299INTERCHANGEABLE
PROBE,TEST
10105491-1
5962-00-277-0222INTERCHANGEABLE
MICROCIRCUIT,LINEAR
SN75154N
5307-00-510-8798INTERCHANGEABLE
STUD,LEVELING
100124
1005-01-693-6983INTERCHANGEABLE
MOUNT,RIFLE
100-124
4730-01-707-1270INTERCHANGEABLE
NIPPLE,HOSE
100124

Frequently Asked Questions

What is NSN 4320-01-118-0985?

NSN 4320-01-118-0985 is a Pump,rotary, manufactured by Oberdorfer Foundries Inc, classified under FSC 4320 (No Item Name Available). Status: active.

What are the part numbers for NSN 4320-01-118-0985?

NSN 4320-01-118-0985 has 3 cross-referenced part numbers: 1001-24 (Simplex Inc), 1000B-19X4 (Oberdorfer Foundries Inc), 1000B-28 (Oberdorfer Foundries Inc).

What NSN replaces 4320-01-118-0985?

There are 6 known substitutes for 4320-01-118-0985: 2840-00-040-8866, 6625-00-052-6299, 5962-00-277-0222 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1000B-28?

Key specifications for 1000B-28: Drive Shaft Length: 1.688 INCHES NOMINAL IN; Intake Connection Thread Size and Series/type Designator: 0.250-18 NPT; Drive Shaft Type: D-TYPE; Discharge Connection Type: THREADED INTERNAL. 11 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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