PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

D177Block Assy,valve

Randall Mfg. Co., Inc. · NSN 4910-00-679-1940 · FSC 4910 · No Item Name Available
Verified by PartsTable
NSN 4910-00-679-1940 — this item is cataloged by the U.S. Government under National Stock Number 4910-00-679-1940. Primary manufacturer part number: D177.
Features
  • Block Assy,valve — FSC 4910
  • 2 verified cross-references
  • Primary manufacturer: Randall Mfg. Co., Inc.
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Block Assy,valve, cataloged under National Stock Number 4910-00-679-1940, is classified within Federal Supply Class 4910 (No Item Name Available) of the Maintenance and Repair Shop Equipment group. The primary manufacturer of record is Randall Mfg. Co., Inc.. This item has 2 commercial cross-references 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.

Catalog Facts
Item NameBlock Assy,valve
FSC / FSG4910 — No Item Name Available (FSG 49)
ManufacturersRandall Mfg. Co., Inc. (CAGE 83790)
Technical Specifications
ParameterValue
NSN4910-00-679-1940
Primary Part NumberD177
Item NameBlock Assy,valve
FSC / FSG4910 / 49 — No Item Name Available
ManufacturerRandall Mfg. Co., Inc.
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5340-00-308-8154D177 INTERCHANGEABLE
Connector,rod End
Insinger Machine Co
5365-00-352-5743 INTERCHANGEABLE
Spacer,sleeve
1680-00-569-3651A8023 INTERCHANGEABLE
Plate,bearing Retai
Aerocontrolex Group, Inc. Div Talley Actuators
5950-00-648-5645984541-5 INTERCHANGEABLE
Transformer,power Autotransforme
Raytheon Company Dba Raytheon
6145-00-838-9444 INTERCHANGEABLE
Wire,electrical
5342-00-854-11428023 INTERCHANGEABLE
Spring,vehicular
Tiffin Parts, L.l.c. Div Subsidiary of Pettibone Corp.
5915-00-971-0152121SCAV130-1 INTERCHANGEABLE
Filter,band Pass
Northrop Grumman Systems Corporation
5310-00-982-4937 INTERCHANGEABLE
Nut,plain,square
3455-00-995-190911720 INTERCHANGEABLE
Cutter,milling,woodruff Keyseat
Niagara Cutter Inc
5905-01-112-7740 INTERCHANGEABLE
Resistor,fixed,film
Cross-Reference Index
Part NumberManufacturer
8023 Randall Mfg. Co., Inc. (USA)
D177 PRIMARY Randall Mfg. Co., Inc. (USA)
Related Parts
5340-00-308-8154INTERCHANGEABLE
CONNECTOR,ROD END
D177
5365-00-352-5743INTERCHANGEABLE
SPACER,SLEEVE
1680-00-569-3651INTERCHANGEABLE
PLATE,BEARING RETAI
A8023
5950-00-648-5645INTERCHANGEABLE
TRANSFORMER,POWER AUTOTRANSFORME
984541-5
6145-00-838-9444INTERCHANGEABLE
WIRE,ELECTRICAL
5342-00-854-1142INTERCHANGEABLE
SPRING,VEHICULAR
8023
5915-00-971-0152INTERCHANGEABLE
FILTER,BAND PASS
121SCAV130-1
5310-00-982-4937INTERCHANGEABLE
NUT,PLAIN,SQUARE
3455-00-995-1909INTERCHANGEABLE
CUTTER,MILLING,WOODRUFF KEYSEAT
11720
5905-01-112-7740INTERCHANGEABLE
RESISTOR,FIXED,FILM
4730-01-121-9854INTERCHANGEABLE
STRAINER,SEDIMENT
8023
5330-01-258-8583INTERCHANGEABLE
GASKET AND SEAL KIT
8023

Frequently Asked Questions

What is NSN 4910-00-679-1940?

NSN 4910-00-679-1940 is a Block Assy,valve, manufactured by Randall Mfg. Co., Inc., classified under FSC 4910 (No Item Name Available). Status: active.

What are the part numbers for NSN 4910-00-679-1940?

NSN 4910-00-679-1940 has 2 cross-referenced part numbers: 8023 (Randall Mfg. Co., Inc.), D177 (Randall Mfg. Co., Inc.).

What NSN replaces 4910-00-679-1940?

There are 12 known substitutes for 4910-00-679-1940: 5340-00-308-8154, 5365-00-352-5743, 1680-00-569-3651 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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