PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

S1638Skirt,throttling,valve

Crane Co Div Valve Div · NSN 4820-01-214-7187 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-214-7187 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-214-7187. Primary manufacturer part number: S1638.
Features
  • Skirt,throttling,valve — FSC 4820
  • General Characteristics Item Description: NICKEL COPPER ALLOY ASTM 3164 CLASS B
  • 3 verified cross-references
  • Primary manufacturer: Crane Co Div Valve Div
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Skirt,throttling,valve, cataloged under National Stock Number 4820-01-214-7187, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Crane Co Div Valve Div. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-214-7187
Primary Part NumberS1638
Item NameSkirt,throttling,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerCrane Co Div Valve Div
StatusACTIVE
General Characteristics Item DescriptionNICKEL COPPER ALLOY ASTM 3164 CLASS B
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
6220-00-583-2677S1638 INTERCHANGEABLE
Light,navigational,aircraft
Soderberg Manufacturing Company, Inc. Dba Soderberg Manufacturing
4820-01-214-9007DR-33512-PART 5 INTERCHANGEABLE
Retainer,disk,valve
Crane Co Div Valve Div
4820-01-215-3245DR-33512-F PIECE 3 INTERCHANGEABLE
Seat,valve
Crane Co Div Valve Div
5310-01-215-5238DR-33512-F INTERCHANGEABLE
Washer,flat
Crane Co Div Valve Div
Cross-Reference Index
Part NumberManufacturer
DR-33512-F Crane Co Div Valve Div (USA)
S1638 PRIMARY Crane Co Div Valve Div (USA)
DR-33512-F PIECE 10 Crane Co Div Valve Div (USA)
Related Parts
6220-00-583-2677INTERCHANGEABLE
LIGHT,NAVIGATIONAL,AIRCRAFT
S1638
4820-01-214-9007INTERCHANGEABLE
RETAINER,DISK,VALVE
DR-33512-PART 5
4820-01-215-3245INTERCHANGEABLE
SEAT,VALVE
DR-33512-F PIECE 3
5310-01-215-5238INTERCHANGEABLE
WASHER,FLAT
DR-33512-F

Frequently Asked Questions

What is NSN 4820-01-214-7187?

NSN 4820-01-214-7187 is a Skirt,throttling,valve, manufactured by Crane Co Div Valve Div, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-214-7187?

NSN 4820-01-214-7187 has 3 cross-referenced part numbers: DR-33512-F (Crane Co Div Valve Div), S1638 (Crane Co Div Valve Div), DR-33512-F PIECE 10 (Crane Co Div Valve Div).

What NSN replaces 4820-01-214-7187?

There are 4 known substitutes for 4820-01-214-7187: 6220-00-583-2677, 4820-01-214-9007, 4820-01-215-3245 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of S1638?

Key specifications for S1638: General Characteristics Item Description: NICKEL COPPER ALLOY ASTM 3164 CLASS B. 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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