PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

24123Seat,valve

Mid-America Aerotech, Llc · NSN 4820-00-121-4465 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-121-4465 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-121-4465. Primary manufacturer part number: 24123.
Features
  • Seat,valve — FSC 4820
  • Seal Accommodation Type: GROOVED
  • Seating Surface Shape: FLAT
  • 4 verified cross-references
  • Primary manufacturer: Mid-America Aerotech, Llc
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Seat,valve, cataloged under National Stock Number 4820-00-121-4465, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Mid-America Aerotech, Llc. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-00-121-4465
Primary Part Number24123
Item NameSeat,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerMid-America Aerotech, Llc
StatusACTIVE
Seal Accommodation TypeGROOVED
Seating Surface ShapeFLAT
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
5133-00-189-9281 INTERCHANGEABLE
Drill,twist
5136-00-197-95537239 INTERCHANGEABLE
Die,rethreading
Stanley Tools Div of Stanley Works
5365-00-447-217310180 INTERCHANGEABLE
Spacer,sleeve
Eaton Corp Transmission Div
2910-00-792-0962142-0041 INTERCHANGEABLE
Needle Assembly
Cummins Power Generation Inc.
5330-00-833-45052412-3 INTERCHANGEABLE
Packing with Retainer
Rubbercraft Corporation of California, Ltd. Dba Rubbercraft Corp
5133-01-095-6641 INTERCHANGEABLE
Drill,twist
4720-01-183-354824123 INTERCHANGEABLE
Hose,nonmetallic
Electro Impulse Laboratory Inc Dba Electro Impulse Inc
6515-01-213-6010241.23 INTERCHANGEABLE
Bone Plate
Depuy Synthes Sales Inc Dba Depuy Synthes Trauma Div Depuy Synthes Sales, Inc., D/b/a Depuy Synthes Trauma
1005-01-534-284124123 INTERCHANGEABLE
Rifle,sniper
Charles Reed Knight Jr Dba Knight's Armament Company
Cross-Reference Index
Part NumberManufacturer
24123 Mid-America Aerotech, Llc (USA)
24123 Moog Inc Div Moog Inc., Space and Defense - Salt Lake City (USA)
24123 E-Systems Inc Montek Div Fluid Controls Opns (USA)
24123 Moog Inc (USA)
Related Parts
5133-00-189-9281INTERCHANGEABLE
DRILL,TWIST
5136-00-197-9553INTERCHANGEABLE
DIE,RETHREADING
7239
5365-00-447-2173INTERCHANGEABLE
SPACER,SLEEVE
10180
2910-00-792-0962INTERCHANGEABLE
NEEDLE ASSEMBLY
142-0041
5330-00-833-4505INTERCHANGEABLE
PACKING WITH RETAINER
2412-3
5133-01-095-6641INTERCHANGEABLE
DRILL,TWIST
4720-01-183-3548INTERCHANGEABLE
HOSE,NONMETALLIC
24123
6515-01-213-6010INTERCHANGEABLE
BONE PLATE
241.23
1005-01-534-2841INTERCHANGEABLE
RIFLE,SNIPER
24123

Frequently Asked Questions

What is NSN 4820-00-121-4465?

NSN 4820-00-121-4465 is a Seat,valve, manufactured by Mid-America Aerotech, Llc, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-00-121-4465?

NSN 4820-00-121-4465 has 4 cross-referenced part numbers: 24123 (Mid-America Aerotech, Llc), 24123 (Moog Inc Div Moog Inc., Space and Defense - Salt Lake City), 24123 (E-Systems Inc Montek Div Fluid Controls Opns), 24123 (Moog Inc).

What NSN replaces 4820-00-121-4465?

There are 9 known substitutes for 4820-00-121-4465: 5133-00-189-9281, 5136-00-197-9553, 5365-00-447-2173 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 24123?

Key specifications for 24123: Seal Accommodation Type: GROOVED; Seating Surface Shape: FLAT. 2 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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