PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

12100-1Valve Assembly

Bahr Machine Company Inc Dba Bahr Machine Co · NSN 4820-00-885-1610 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-885-1610 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-885-1610. Primary manufacturer part number: 12100-1.
Features
  • Valve Assembly — FSC 4820
  • Criticality Code Justification: FEAT
  • 2 verified cross-references
  • Primary manufacturer: Bahr Machine Company Inc Dba Bahr Machine Co
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Valve Assembly, cataloged under National Stock Number 4820-00-885-1610, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Bahr Machine Company Inc Dba Bahr Machine Co. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-00-885-1610
Primary Part Number12100-1
Item NameValve Assembly
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerBahr Machine Company Inc Dba Bahr Machine Co
StatusACTIVE
Criticality Code JustificationFEAT
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 11
5910-00-078-4186 INTERCHANGEABLE
Capacitor,fixed,paper Dielectric
5999-00-180-2808121-001 INTERCHANGEABLE
Clip,electrical
Littelfuse, Inc.
5950-00-778-8649SM-D-623916 INTERCHANGEABLE
Transformer,power
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
6350-01-045-605612100-1 INTERCHANGEABLE
Processor,surveillance Data
General Nucleonics, Inc. Dba General Nucleonics Inc
4820-01-160-497712-1001 INTERCHANGEABLE
Valve,pressure Actuated Drain
Aerocontrolex Group, Inc. Dba Aero Fluid Products
5910-01-196-3234121-001 INTERCHANGEABLE
Capacitor,fixed,plastic Dielectr
Panametrics Llc
6625-01-266-5934 INTERCHANGEABLE
Generator,pulse
5975-01-339-7078121-001 INTERCHANGEABLE
Bushing,strain Relief,cable
Instrument Technology, Inc.
3040-01-436-0145A-800-12526-0401 INTERCHANGEABLE
Shaft,shouldered
B.w. Elliott Manufacturing Co., Llc
5930-01-459-686312100-1 INTERCHANGEABLE
Retainer,electrical Switch
Coda Octopus Engineering, Inc.
Cross-Reference Index
Part NumberManufacturer
10-30192-501 The Boeing Company Div Defense (USA)
12100-1 PRIMARY Bahr Machine Company Inc Dba Bahr Machine Co (USA)
Related Parts
5910-00-078-4186INTERCHANGEABLE
CAPACITOR,FIXED,PAPER DIELECTRIC
5999-00-180-2808INTERCHANGEABLE
CLIP,ELECTRICAL
121-001
5950-00-778-8649INTERCHANGEABLE
TRANSFORMER,POWER
SM-D-623916
6350-01-045-6056INTERCHANGEABLE
PROCESSOR,SURVEILLANCE DATA
12100-1
4820-01-160-4977INTERCHANGEABLE
VALVE,PRESSURE ACTUATED DRAIN
12-1001
5910-01-196-3234INTERCHANGEABLE
CAPACITOR,FIXED,PLASTIC DIELECTR
121-001
6625-01-266-5934INTERCHANGEABLE
GENERATOR,PULSE
5975-01-339-7078INTERCHANGEABLE
BUSHING,STRAIN RELIEF,CABLE
121-001
3040-01-436-0145INTERCHANGEABLE
SHAFT,SHOULDERED
A-800-12526-0401
5930-01-459-6863INTERCHANGEABLE
RETAINER,ELECTRICAL SWITCH
12100-1
6550-01-580-8380INTERCHANGEABLE
CONTROL SET,DIGOXIN
447030

Frequently Asked Questions

What is NSN 4820-00-885-1610?

NSN 4820-00-885-1610 is a Valve Assembly, manufactured by Bahr Machine Company Inc Dba Bahr Machine Co, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-00-885-1610?

NSN 4820-00-885-1610 has 2 cross-referenced part numbers: 10-30192-501 (The Boeing Company Div Defense), 12100-1 (Bahr Machine Company Inc Dba Bahr Machine Co).

What NSN replaces 4820-00-885-1610?

There are 11 known substitutes for 4820-00-885-1610: 5910-00-078-4186, 5999-00-180-2808, 5950-00-778-8649 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 12100-1?

Key specifications for 12100-1: Criticality Code Justification: FEAT; Special Features: INSPECTION AND POSSIBLE REPLACEMENT OF VALVE WILL MITIGATE A CATASTROPHIC FAILURE OF THE VALVE HINGE PINS AND FLAPPER, WHICH COULD CAUSE FAILED PARTS TO MIGRATE THROUGH THE BLEED AIR DUCT WORK AND CAUSE A CAT 1 OR 2 MISHAP; End Item Identification: B-52 AIRCRAFT. 3 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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