PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

70-30Statchion Gasket

Hammel Dahl Inc · NSN 4820-00-957-5603 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-957-5603 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-957-5603. Primary manufacturer part number: 70-30.
Features
  • Statchion Gasket — FSC 4820
  • Reference Number Differentiating Characteristics: TYPE 38-T9 VALVE
  • 1 verified cross-reference
  • Primary manufacturer: Hammel Dahl Inc
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
General Description

The Statchion Gasket, cataloged under National Stock Number 4820-00-957-5603, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Hammel Dahl Inc. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, 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
NSN4820-00-957-5603
Primary Part Number70-30
Item NameStatchion Gasket
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerHammel Dahl Inc
StatusACTIVE
Reference Number Differentiating CharacteristicsTYPE 38-T9 VALVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
3110-00-156-4257206KT INTERCHANGEABLE
Bearing,ball,annular
Timken Co Div the Timken Company
4820-00-174-0323193A INTERCHANGEABLE
Cock,plug
Romac Industries, Inc. Dba Hays Fluid Controls Div Hays Fluid Controls Division
5325-00-286-6047 INTERCHANGEABLE
Grommet,nonmetallic
4220-00-431-6517NS114128 INTERCHANGEABLE
Divers Compass,wris
Aqualung Usa, Inc
3750-00-588-7579 INTERCHANGEABLE
Blade,cutter,mower
9390-00-792-1501BAC1530-7 INTERCHANGEABLE
Nonmetallic Special Shaped Secti
The Boeing Company Div Defense
1680-00-890-54607030 INTERCHANGEABLE
Tube,water Level Cr
Mag Aerospace Industries, Llc Div Safran Cabins
5960-00-948-5920 INTERCHANGEABLE
Electron Tube
5640-01-037-4769 INTERCHANGEABLE
Weather Strip
6685-01-203-96677030 INTERCHANGEABLE
Calibrator,thermometer
Hart Scientific Llc
Cross-Reference Index
Part NumberManufacturer
70-30 Hammel Dahl Inc (USA)
Related Parts
3110-00-156-4257INTERCHANGEABLE
BEARING,BALL,ANNULAR
206KT
4820-00-174-0323INTERCHANGEABLE
COCK,PLUG
193A
5325-00-286-6047INTERCHANGEABLE
GROMMET,NONMETALLIC
4220-00-431-6517INTERCHANGEABLE
DIVERS COMPASS,WRIS
NS114128
3750-00-588-7579INTERCHANGEABLE
BLADE,CUTTER,MOWER
9390-00-792-1501INTERCHANGEABLE
NONMETALLIC SPECIAL SHAPED SECTI
BAC1530-7
1680-00-890-5460INTERCHANGEABLE
TUBE,WATER LEVEL CR
7030
5960-00-948-5920INTERCHANGEABLE
ELECTRON TUBE
5640-01-037-4769INTERCHANGEABLE
WEATHER STRIP
6685-01-203-9667INTERCHANGEABLE
CALIBRATOR,THERMOMETER
7030
5120-01-363-6633INTERCHANGEABLE
WRENCH,SPANNER
7030
5935-01-395-8559INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
7030

Frequently Asked Questions

What is NSN 4820-00-957-5603?

NSN 4820-00-957-5603 is a Statchion Gasket, manufactured by Hammel Dahl Inc, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-00-957-5603?

NSN 4820-00-957-5603 has 1 cross-referenced part number: 70-30 (Hammel Dahl Inc).

What NSN replaces 4820-00-957-5603?

There are 12 known substitutes for 4820-00-957-5603: 3110-00-156-4257, 4820-00-174-0323, 5325-00-286-6047 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 70-30?

Key specifications for 70-30: Reference Number Differentiating Characteristics: TYPE 38-T9 VALVE. 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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