PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

193-8Block Assembly

B. Hepworth & Co Ltd · NSN 2090-01-030-0275 · FSC 2090 · Modification Kit,miscellaneous S
Verified by PartsTable
NSN 2090-01-030-0275 — this item is cataloged by the U.S. Government under National Stock Number 2090-01-030-0275. Primary manufacturer part number: 193-8.
Features
  • Block Assembly — FSC 2090
  • 2 verified cross-references
  • Primary manufacturer: B. Hepworth & Co Ltd
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Block Assembly, cataloged under National Stock Number 2090-01-030-0275, is classified within Federal Supply Class 2090 (Modification Kit,miscellaneous S) of the Ship and Marine Equipment group. The primary manufacturer of record is B. Hepworth & Co Ltd. This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameBlock Assembly
FSC / FSG2090 — Modification Kit,miscellaneous S (FSG 20)
ManufacturersB. Hepworth & Co Ltd (CAGE U0AE1); Wynn Marine Ltd (CAGE K5163)
Technical Specifications
ParameterValue
NSN2090-01-030-0275
Primary Part Number193-8
Item NameBlock Assembly
FSC / FSG2090 / 20 — Modification Kit,miscellaneous S
ManufacturerB. Hepworth & Co Ltd
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
4720-00-200-0368 INTERCHANGEABLE
Hose,nonmetallic
5310-00-209-0786 INTERCHANGEABLE
Washer,lock
6810-00-300-6150 INTERCHANGEABLE
Dimethylglyoxime
2930-00-364-7296193-0008 INTERCHANGEABLE
Gage
Cummins Power Generation Inc.
4310-00-371-6610 INTERCHANGEABLE
Ring,piston
3040-00-374-552510506-20061 INTERCHANGEABLE
Shaft,hinged Arm
Johnson C S Co Inc
4730-00-374-612719-24 INTERCHANGEABLE
Strainer Element,sediment
Tankcraft Corp
2990-00-478-83391938 INTERCHANGEABLE
Cylinder,regulating Valve
Imi Cash Valve Inc
6250-00-513-26267-82 INTERCHANGEABLE
Lampholder
Lighting Components and Design Incorporated Dba Lc&d
5136-00-825-7096 INTERCHANGEABLE
Tap,thread Cutting
Cross-Reference Index
Part NumberManufacturer
193-8 PRIMARY B. Hepworth & Co Ltd (GBR)
193-8 Wynn Marine Ltd (GBR)
Related Parts
4720-00-200-0368INTERCHANGEABLE
HOSE,NONMETALLIC
5310-00-209-0786INTERCHANGEABLE
WASHER,LOCK
6810-00-300-6150INTERCHANGEABLE
DIMETHYLGLYOXIME
2930-00-364-7296INTERCHANGEABLE
GAGE
193-0008
4310-00-371-6610INTERCHANGEABLE
RING,PISTON
3040-00-374-5525INTERCHANGEABLE
SHAFT,HINGED ARM
10506-20061
4730-00-374-6127INTERCHANGEABLE
STRAINER ELEMENT,SEDIMENT
19-24
2990-00-478-8339INTERCHANGEABLE
CYLINDER,REGULATING VALVE
1938
6250-00-513-2626INTERCHANGEABLE
LAMPHOLDER
7-82
5136-00-825-7096INTERCHANGEABLE
TAP,THREAD CUTTING
6685-00-854-9141INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
45-1377TAS04B10000
3020-01-175-7769INTERCHANGEABLE
GEAR,SPUR

Frequently Asked Questions

What is NSN 2090-01-030-0275?

NSN 2090-01-030-0275 is a Block Assembly, manufactured by B. Hepworth & Co Ltd, classified under FSC 2090 (Modification Kit,miscellaneous S). Status: active.

What are the part numbers for NSN 2090-01-030-0275?

NSN 2090-01-030-0275 has 2 cross-referenced part numbers: 193-8 (B. Hepworth & Co Ltd), 193-8 (Wynn Marine Ltd).

What NSN replaces 2090-01-030-0275?

There are 12 known substitutes for 2090-01-030-0275: 4720-00-200-0368, 5310-00-209-0786, 6810-00-300-6150 and 9 more. Verify interchangeability with system specifications before substitution.

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