PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1177Cock,plug

Lunkenheimer Co · NSN 4820-00-629-0871 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-629-0871 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-629-0871. Primary manufacturer part number: 1177.
Features
  • Cock,plug — FSC 4820
  • Flow Style: TWO WAY TWO PORT 90 DEGREE PLUG TURN
  • Connection Type: THREADED INTERNAL PIPE ALL ENDS
  • Thread Series Designator: NPT ALL ENDS
  • Connection Style: PLAIN, OPTIONAL END (PIPE) ALL ENDS
  • Material: COPPER ALLOY OVERALL
  • Nominal Thread Size: 0.125 INCHES ALL ENDS IN
  • Valve Operation Method: MANUAL
Applications
  • Applications requiring Copper Alloy Overall construction
General Description

The Cock,plug, cataloged under National Stock Number 4820-00-629-0871, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Lunkenheimer Co. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN4820-00-629-0871
Primary Part Number1177
Item NameCock,plug
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerLunkenheimer Co
StatusCANCELLED
Flow StyleTWO WAY TWO PORT 90 DEGREE PLUG TURN
Connection TypeTHREADED INTERNAL PIPE ALL ENDS
Thread Series DesignatorNPT ALL ENDS
Connection StylePLAIN, OPTIONAL END (PIPE) ALL ENDS
MaterialCOPPER ALLOY OVERALL
Nominal Thread Size0.125 INCHES ALL ENDS IN
Valve Operation MethodMANUAL
Thread DirectionRIGHT-HAND ALL ENDS
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5305-00-359-8261 INTERCHANGEABLE
Screw
5305-00-370-00341177 INTERCHANGEABLE
Screw,machine
Telemechanics Inc
5975-00-432-28201257 INTERCHANGEABLE
Adapter,electrical Conduit
Abb Installation Products Inc
5315-00-479-21381177 INTERCHANGEABLE
Pin,spring
Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.
2330-00-837-9032 INTERCHANGEABLE
Trailer,personnel
7320-00-866-7207 INTERCHANGEABLE
Rack,commercial Dishwashing Mach
5935-01-043-14362E-1177 INTERCHANGEABLE
Connector,plug,electrical
Star Manufacturing International Inc. Dba Star Manufacturing
6145-01-055-63401177C INTERCHANGEABLE
Cable,special Purpose,electrical
Belden, Inc.
6680-01-073-485472-0140 INTERCHANGEABLE
Meter,gas Volume,dry Test
Gas Tech, Inc
5360-01-086-6139 INTERCHANGEABLE
Spring,spiral,torsion
Cross-Reference Index
Part NumberManufacturer
1177 Lunkenheimer Co (USA)
MIL-C-1203 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MS35931-1 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
5305-00-359-8261INTERCHANGEABLE
SCREW
5305-00-370-0034INTERCHANGEABLE
SCREW,MACHINE
1177
5975-00-432-2820INTERCHANGEABLE
ADAPTER,ELECTRICAL CONDUIT
1257
5315-00-479-2138INTERCHANGEABLE
PIN,SPRING
1177
2330-00-837-9032INTERCHANGEABLE
TRAILER,PERSONNEL
7320-00-866-7207INTERCHANGEABLE
RACK,COMMERCIAL DISHWASHING MACH
5935-01-043-1436INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
2E-1177
6145-01-055-6340INTERCHANGEABLE
CABLE,SPECIAL PURPOSE,ELECTRICAL
1177C
6680-01-073-4854INTERCHANGEABLE
METER,GAS VOLUME,DRY TEST
72-0140
5360-01-086-6139INTERCHANGEABLE
SPRING,SPIRAL,TORSION
5325-01-093-7294INTERCHANGEABLE
GROMMET,NONMETALLIC
1177
6210-01-147-3252INTERCHANGEABLE
CONTROL,ELECTRIC LIGHT
13031410

Frequently Asked Questions

What is NSN 4820-00-629-0871?

NSN 4820-00-629-0871 is a Cock,plug, manufactured by Lunkenheimer Co, classified under FSC 4820 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4820-00-629-0871?

NSN 4820-00-629-0871 has 3 cross-referenced part numbers: 1177 (Lunkenheimer Co), MIL-C-1203 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MS35931-1 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 4820-00-629-0871?

There are 12 known substitutes for 4820-00-629-0871: 5305-00-359-8261, 5305-00-370-0034, 5975-00-432-2820 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1177?

Key specifications for 1177: Flow Style: TWO WAY TWO PORT 90 DEGREE PLUG TURN; Connection Type: THREADED INTERNAL PIPE ALL ENDS; Thread Series Designator: NPT ALL ENDS; Connection Style: PLAIN, OPTIONAL END (PIPE) ALL ENDS. 8 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4820-00-629-0871 still in active supply?

NSN 4820-00-629-0871 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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