PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

52-0021Gage,pressure,dial Indicating

Pierce Manufacturing Inc · NSN 6620-01-127-8885 · FSC 6620 · No Item Name Available
Verified by PartsTable
NSN 6620-01-127-8885 — this item is cataloged by the U.S. Government under National Stock Number 6620-01-127-8885. Primary manufacturer part number: 52-0021.
Features
  • Gage,pressure,dial Indicating — FSC 6620
  • Material: GLASS PROTECTIVE CRYSTAL
  • Material: IRON OR STEEL CASE
  • Material: STEEL CORROSION RESISTING ACTUATING ELEMENT
  • Surface Treatment: TIN ALLOY AND LEAD CASE
  • Overall Diameter: 2.250 INCHES NOMINAL IN
  • Graduation Unit: 5.0 POUNDS PER SQUARE INCH LBS
  • Pointer Color: BLACK
Applications
  • Applications requiring Glass Protective Crystal construction
General Description

The Gage,pressure,dial Indicating, cataloged under National Stock Number 6620-01-127-8885, is classified within Federal Supply Class 6620 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Pierce Manufacturing Inc. Government technical data includes 23 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6620-01-127-8885
Primary Part Number52-0021
Item NameGage,pressure,dial Indicating
FSC / FSG6620 / 66 — No Item Name Available
ManufacturerPierce Manufacturing Inc
StatusACTIVE
MaterialGLASS PROTECTIVE CRYSTAL
MaterialIRON OR STEEL CASE
MaterialSTEEL CORROSION RESISTING ACTUATING ELEMENT
Surface TreatmentTIN ALLOY AND LEAD CASE
Overall Diameter2.250 INCHES NOMINAL IN
Graduation Unit5.0 POUNDS PER SQUARE INCH LBS
Pointer ColorBLACK
Connection TypeEXTERNAL
Stud LocationBACK
Scale Inscription/background ColorBLACK MARKINGS ON WHITE BACKGROUND
Mounting MethodCLAMP AND THREADED STUD(S)
Scale TypeSINGLE
Connection Quantity1
Stud Quantity2
Pointer TypeINDICATING
Connection Size1/8-27 NPT
Scale Range+0.0 TO 30.0 POUNDS PER SQUARE INCH LBS
Scale NameOIL PRESSURE
Scale Smallest Increment5.0 POUNDS PER SQUARE INCH (PSI) LBS
Connection LocationBACK, CENTER
Dial Size2.022 IN. MIN AND 2.037 IN. MAX DIA IN
Bezel TypeSNAP-ON
Unable to DecodeUNABLE TO DECODE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
5315-00-017-922821-08 INTERCHANGEABLE
Pin,lock
Bee Industries
5905-00-810-5290JA1N056S104AZ INTERCHANGEABLE
Resistor,variable,nonwire Wound,
Rockwell Automation, Inc. Dba Rockwell Automation
5970-01-095-213912280268 INTERCHANGEABLE
Insulator,disk
U S Army Tank Automotive Command Amsta-Im-Mm
5985-01-359-7376 INTERCHANGEABLE
Dummy Load,electrical
5340-01-663-777852002-1 INTERCHANGEABLE
Plug Assembly,sealing
Shaw Development, Llc
Cross-Reference Index
Part NumberManufacturer
52-0021 PRIMARY Pierce Manufacturing Inc (USA)
452-0021 Pierce Manufacturing Inc (USA)
Related Parts
5315-00-017-9228INTERCHANGEABLE
PIN,LOCK
21-08
5905-00-810-5290INTERCHANGEABLE
RESISTOR,VARIABLE,NONWIRE WOUND,
JA1N056S104AZ
5970-01-095-2139INTERCHANGEABLE
INSULATOR,DISK
12280268
5985-01-359-7376INTERCHANGEABLE
DUMMY LOAD,ELECTRICAL
5340-01-663-7778INTERCHANGEABLE
PLUG ASSEMBLY,SEALING
52002-1

Frequently Asked Questions

What is NSN 6620-01-127-8885?

NSN 6620-01-127-8885 is a Gage,pressure,dial Indicating, manufactured by Pierce Manufacturing Inc, classified under FSC 6620 (No Item Name Available). Status: active.

What are the part numbers for NSN 6620-01-127-8885?

NSN 6620-01-127-8885 has 2 cross-referenced part numbers: 52-0021 (Pierce Manufacturing Inc), 452-0021 (Pierce Manufacturing Inc).

What NSN replaces 6620-01-127-8885?

There are 5 known substitutes for 6620-01-127-8885: 5315-00-017-9228, 5905-00-810-5290, 5970-01-095-2139 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 52-0021?

Key specifications for 52-0021: Material: GLASS PROTECTIVE CRYSTAL; Material: IRON OR STEEL CASE; Material: STEEL CORROSION RESISTING ACTUATING ELEMENT; Surface Treatment: TIN ALLOY AND LEAD CASE. 24 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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