PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

24120 PIECE 2ARetainer Screw,seal,valve

Mid-America Aerotech, Llc · NSN 4820-01-064-7271 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-064-7271 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-064-7271. Primary manufacturer part number: 24120 PIECE 2A.
Features
  • Retainer Screw,seal,valve — FSC 4820
  • General Characteristics Item Description: NICKEL-COPPER ALLOY; 0.469 IN. O/A LG; 0.328 IN. OD OF HEAD; 0.190 IN. H OF HEAD; OTHER END THD MALE,0.138-32 UNC; 0.250 IN. THD LG IN
  • 8 verified cross-references
  • Primary manufacturer: Mid-America Aerotech, Llc
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Flow control in piping systems
  • Pressure regulation
General Description

The Retainer Screw,seal,valve, cataloged under National Stock Number 4820-01-064-7271, 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 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-064-7271
Primary Part Number24120 PIECE 2A
Item NameRetainer Screw,seal,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerMid-America Aerotech, Llc
StatusACTIVE
General Characteristics Item DescriptionNICKEL-COPPER ALLOY; 0.469 IN. O/A LG; 0.328 IN. OD OF HEAD; 0.190 IN. H OF HEAD; OTHER END THD MALE,0.138-32 UNC; 0.250 IN. THD LG IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5133-00-189-9278 INTERCHANGEABLE
Drill,twist
4520-00-350-9184C24120-1 INTERCHANGEABLE
Heating Element,electrical,nonim
Vulcan-Hart Corp
2530-00-405-171627214 INTERCHANGEABLE
Wheel Assembly,pneumatic Tire
Porta Drill Inc
5330-00-480-214224120 INTERCHANGEABLE
Gasket
Koehring Cranes, Inc Dba Terex Cranes Div Waverly Operations
5340-00-530-404527214 INTERCHANGEABLE
Clamp Brake Conduit
Chrysler Corp Engine and Components Sales Diversified Products Div
4720-00-540-19791540-20 INTERCHANGEABLE
Hose,nonmetallic
Danfoss Power Solutions II, Llc
4920-00-822-919724-120 INTERCHANGEABLE
Detector,leak
Sypris Electronics, Llc
4820-01-057-625324120 PIECE 25 INTERCHANGEABLE
Lift Guide,relief Valve
Mid-America Aerotech, Llc
4820-01-057-693324120 PIECE 4 INTERCHANGEABLE
Guide,poppet,valve
Mid-America Aerotech, Llc
4820-01-057-728327209 INTERCHANGEABLE
Seat,valve
Moog Military Aircraft Llc
Cross-Reference Index
Part NumberManufacturer
24120 E-Systems Inc Montek Div Fluid Controls Opns (USA)
27214 Moog Inc Div Moog Inc., Space and Defense - Salt Lake City (USA)
24120 PIECE 2A Moog Inc Div Moog Inc., Space and Defense - Salt Lake City (USA)
24120 PIECE 2A PRIMARY Mid-America Aerotech, Llc (USA)
27214 E-Systems Inc Montek Div Fluid Controls Opns (USA)
24120 PIECE 2A E-Systems Inc Montek Div Fluid Controls Opns (USA)
24120 PIECE 2A Moog Inc (USA)
27214 Moog Inc (USA)
Related Parts
5133-00-189-9278INTERCHANGEABLE
DRILL,TWIST
4520-00-350-9184INTERCHANGEABLE
HEATING ELEMENT,ELECTRICAL,NONIM
C24120-1
2530-00-405-1716INTERCHANGEABLE
WHEEL ASSEMBLY,PNEUMATIC TIRE
27214
5330-00-480-2142INTERCHANGEABLE
GASKET
24120
5340-00-530-4045INTERCHANGEABLE
CLAMP BRAKE CONDUIT
27214
4720-00-540-1979INTERCHANGEABLE
HOSE,NONMETALLIC
1540-20
4920-00-822-9197INTERCHANGEABLE
DETECTOR,LEAK
24-120
4820-01-057-6253INTERCHANGEABLE
LIFT GUIDE,RELIEF VALVE
24120 PIECE 25
4820-01-057-6933INTERCHANGEABLE
GUIDE,POPPET,VALVE
24120 PIECE 4
4820-01-057-7283INTERCHANGEABLE
SEAT,VALVE
27209
4820-01-057-7298INTERCHANGEABLE
CAP,VALVE
5133-01-095-6638INTERCHANGEABLE
DRILL,TWIST

Frequently Asked Questions

What is NSN 4820-01-064-7271?

NSN 4820-01-064-7271 is a Retainer Screw,seal,valve, manufactured by Mid-America Aerotech, Llc, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-064-7271?

NSN 4820-01-064-7271 has 8 cross-referenced part numbers: 24120 (E-Systems Inc Montek Div Fluid Controls Opns), 27214 (Moog Inc Div Moog Inc., Space and Defense - Salt Lake City), 24120 PIECE 2A (Moog Inc Div Moog Inc., Space and Defense - Salt Lake City), 24120 PIECE 2A (Mid-America Aerotech, Llc), 27214 (E-Systems Inc Montek Div Fluid Controls Opns) and 3 more.

What NSN replaces 4820-01-064-7271?

There are 12 known substitutes for 4820-01-064-7271: 5133-00-189-9278, 4520-00-350-9184, 2530-00-405-1716 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 24120 PIECE 2A?

Key specifications for 24120 PIECE 2A: General Characteristics Item Description: NICKEL-COPPER ALLOY; 0.469 IN. O/A LG; 0.328 IN. OD OF HEAD; 0.190 IN. H OF HEAD; OTHER END THD MALE,0.138-32 UNC; 0.250 IN. THD LG IN. 1 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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