PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

20-100Valve,calibrated Flow

Hess Manufacturing Inc Div Blast-It-All · NSN 4820-01-151-8974 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-151-8974 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-151-8974. Primary manufacturer part number: 20-100.
Features
  • Valve,calibrated Flow — FSC 4820
  • Material: IRON BODY
  • 3 verified cross-references
  • Primary manufacturer: Hess Manufacturing Inc Div Blast-It-All
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Iron Body construction
General Description

The Valve,calibrated Flow, cataloged under National Stock Number 4820-01-151-8974, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Hess Manufacturing Inc Div Blast-It-All. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN4820-01-151-8974
Primary Part Number20-100
Item NameValve,calibrated Flow
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerHess Manufacturing Inc Div Blast-It-All
StatusCANCELLED
MaterialIRON BODY
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 11
5305-00-009-7739 INTERCHANGEABLE
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3455-00-222-92351-1561-1000 INTERCHANGEABLE
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5306-00-281-631611710 INTERCHANGEABLE
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Rexnord Industries, Llc Div Couplings Division
5340-00-443-211111-710-2 INTERCHANGEABLE
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Kidde Technologies, Inc Div Kidde Aerospace and Defense
4820-00-703-891711710 INTERCHANGEABLE
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Eaton Aerospace Llc Dba Eaton Aerospace Jackson
5330-00-804-84374992347 INTERCHANGEABLE
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Agco Corp Parts Opn
5910-00-989-4367561CC0GBA102EE200J INTERCHANGEABLE
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Cera-Mite Corp
5310-01-330-2170DIN 125A 12 INTERCHANGEABLE
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Metric and Multistandard Components Corp
5305-01-355-4947 INTERCHANGEABLE
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6515-01-372-881911720-L INTERCHANGEABLE
Head,ophthalmoscope
Excelnet
Cross-Reference Index
Part NumberManufacturer
11-710 Hess Manufacturing Inc Div Blast-It-All (USA)
M1209 Hess Manufacturing Inc Div Blast-It-All (USA)
20-100 PRIMARY Hess Manufacturing Inc Div Blast-It-All (USA)
Related Parts
5305-00-009-7739INTERCHANGEABLE
SCREW,CAP,SOCKET HEAD
3455-00-222-9235INTERCHANGEABLE
CUTTER,MILLING,WOODRUFF KEYSEAT
1-1561-1000
5306-00-281-6316INTERCHANGEABLE
BOLT,SHOULDER
11710
5340-00-443-2111INTERCHANGEABLE
BRACKET,ANGLE
11-710-2
4820-00-703-8917INTERCHANGEABLE
COCK,POPPET DRAIN
11710
5330-00-804-8437INTERCHANGEABLE
PACKING,PREFORMED
4992347
5910-00-989-4367INTERCHANGEABLE
CAPACITOR,FIXED,CERAMIC DIELECTR
561CC0GBA102EE200J
5310-01-330-2170INTERCHANGEABLE
WASHER,FLAT
DIN 125A 12
5305-01-355-4947INTERCHANGEABLE
SCREW,MACHINE
6515-01-372-8819INTERCHANGEABLE
HEAD,OPHTHALMOSCOPE
11720-L
5120-01-601-5176INTERCHANGEABLE
SCREWDRIVER ATTACHMENT,SOCKET WR

Frequently Asked Questions

What is NSN 4820-01-151-8974?

NSN 4820-01-151-8974 is a Valve,calibrated Flow, manufactured by Hess Manufacturing Inc Div Blast-It-All, classified under FSC 4820 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4820-01-151-8974?

NSN 4820-01-151-8974 has 3 cross-referenced part numbers: 11-710 (Hess Manufacturing Inc Div Blast-It-All), M1209 (Hess Manufacturing Inc Div Blast-It-All), 20-100 (Hess Manufacturing Inc Div Blast-It-All).

What NSN replaces 4820-01-151-8974?

There are 11 known substitutes for 4820-01-151-8974: 5305-00-009-7739, 3455-00-222-9235, 5306-00-281-6316 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 20-100?

Key specifications for 20-100: Special Features: FURNISHED WITH FITTING AND PLUG; Material: IRON BODY. 2 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4820-01-151-8974 still in active supply?

NSN 4820-01-151-8974 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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