PartsTable TECHNICAL DATA SHEET
AUGUST 2026Technical Data Sheet

A1126Cock,drain

Am General Llc · NSN 4820-00-848-9477 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-848-9477 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-848-9477. Primary manufacturer part number: A1126.
Features
  • Cock,drain — FSC 4820
  • Valve Operation Method: MANUAL
  • Nominal Thread Size: 0.250 INCHES FIRST END IN
  • Thread Direction: RIGHT-HAND FIRST END
  • Style Designator: STRAIGHT THRU
  • Connection Type: THREADED EXTERNAL PIPE FIRST END
  • Seat Angle: 45.0 DEGREES FIRST END
  • Connection Style: INVERTED FLARE (PIPE) FIRST END
Applications
  • Applications requiring Copper Alloy Overall construction
General Description

The Cock,drain, cataloged under National Stock Number 4820-00-848-9477, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Am General Llc. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-00-848-9477
Primary Part NumberA1126
Item NameCock,drain
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerAm General Llc
StatusACTIVE
Valve Operation MethodMANUAL
Nominal Thread Size0.250 INCHES FIRST END IN
Thread DirectionRIGHT-HAND FIRST END
Style DesignatorSTRAIGHT THRU
Connection TypeTHREADED EXTERNAL PIPE FIRST END
Seat Angle45.0 DEGREES FIRST END
Connection StyleINVERTED FLARE (PIPE) FIRST END
Flow Control DeviceSTEM
Thread Series DesignatorNPT FIRST END
MaterialCOPPER ALLOY OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
8455-00-246-3510 INTERCHANGEABLE
Insignia,shoulder Sleeve
5360-00-321-3499A1126 INTERCHANGEABLE
Spring,helical,extension
Kelly Manufacturing Company
5995-00-456-274612450-452 INTERCHANGEABLE
Lead Assembly,electrical
Hickok Waekon Llc
5365-00-863-3596A1126 INTERCHANGEABLE
Case,plug
L3harris Interstate Electronics Corporation
5910-00-902-0031 INTERCHANGEABLE
Capacitor,fixed,mica Dielectric
5950-00-969-6558 INTERCHANGEABLE
Coil,radio Frequency
8455-01-665-8239 INTERCHANGEABLE
Insignia,shoulder Sleeve
8455-01-699-8156 INTERCHANGEABLE
Insignia,shoulder Sleeve
Cross-Reference Index
Part NumberManufacturer
A0001126 Spalla Inc (USA)
A1126 PRIMARY Am General Llc (USA)
Related Parts
8455-00-246-3510INTERCHANGEABLE
INSIGNIA,SHOULDER SLEEVE
5360-00-321-3499INTERCHANGEABLE
SPRING,HELICAL,EXTENSION
A1126
5995-00-456-2746INTERCHANGEABLE
LEAD ASSEMBLY,ELECTRICAL
12450-452
5365-00-863-3596INTERCHANGEABLE
CASE,PLUG
A1126
5910-00-902-0031INTERCHANGEABLE
CAPACITOR,FIXED,MICA DIELECTRIC
5950-00-969-6558INTERCHANGEABLE
COIL,RADIO FREQUENCY
8455-01-665-8239INTERCHANGEABLE
INSIGNIA,SHOULDER SLEEVE
8455-01-699-8156INTERCHANGEABLE
INSIGNIA,SHOULDER SLEEVE

Frequently Asked Questions

What is NSN 4820-00-848-9477?

NSN 4820-00-848-9477 is a Cock,drain, manufactured by Am General Llc, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-00-848-9477?

NSN 4820-00-848-9477 has 2 cross-referenced part numbers: A0001126 (Spalla Inc), A1126 (Am General Llc).

What NSN replaces 4820-00-848-9477?

There are 8 known substitutes for 4820-00-848-9477: 8455-00-246-3510, 5360-00-321-3499, 5995-00-456-2746 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of A1126?

Key specifications for A1126: Valve Operation Method: MANUAL; Nominal Thread Size: 0.250 INCHES FIRST END IN; Thread Direction: RIGHT-HAND FIRST END; Style Designator: STRAIGHT THRU. 10 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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