PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

12049Guide,valve Stem

Napco International Llc Dba Napco International Inc · NSN 2815-00-971-1431 · FSC 2815 · No Item Name Available
Verified by PartsTable
NSN 2815-00-971-1431 — this item is cataloged by the U.S. Government under National Stock Number 2815-00-971-1431. Primary manufacturer part number: 12049.
Features
  • Guide,valve Stem — FSC 2815
  • Style Designator: PLAIN FLANGED
  • Bore Counterbore: NOT INCLUDED
  • Aa End Chamfer Angle in Deg: 60.0
  • Bore Countersink: NOT INCLUDED
  • Bb End Shank Diameter: 0.500 INCHES NOMINAL IN
  • Major Diameter Length: 0.385 INCHES NOMINAL IN
  • Aa End Chamfer Length: 0.153 INCHES NOMINAL IN
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Steel construction
General Description

The Guide,valve Stem, cataloged under National Stock Number 2815-00-971-1431, is classified within Federal Supply Class 2815 (No Item Name Available) of the Engines, Turbines, and Components group. The primary manufacturer of record is Napco International Llc Dba Napco International Inc. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference 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.

Technical Specifications
ParameterValue
NSN2815-00-971-1431
Primary Part Number12049
Item NameGuide,valve Stem
FSC / FSG2815 / 28 — No Item Name Available
ManufacturerNapco International Llc Dba Napco International Inc
StatusACTIVE
Style DesignatorPLAIN FLANGED
Bore CounterboreNOT INCLUDED
Aa End Chamfer Angle in Deg60.0
Bore CountersinkNOT INCLUDED
Bb End Shank Diameter0.500 INCHES NOMINAL IN
Major Diameter Length0.385 INCHES NOMINAL IN
Aa End Chamfer Length0.153 INCHES NOMINAL IN
MaterialSTEEL
Outside Diameter0.750 INCHES NOMINAL IN
Bore Diameter0.3750 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
6150-00-015-128917422 INTERCHANGEABLE
Cable Assembly,power,electrical
Belden Wire & Cable Company Llc Dba Belden Cdt Electronics Division
5133-00-061-627110920 INTERCHANGEABLE
Drill,twist
Precision Twist Drill Co
5310-00-209-2947633 INTERCHANGEABLE
Washer,lock
Stanadyne Corporation Dba Stanadyne Diesel Systems Div Diesel Systems
3120-00-288-481111-2688 INTERCHANGEABLE
Bearing,sleeve
Thermo King Corporation Dba Phoenix Global Distirbution.
6620-00-505-503112049 INTERCHANGEABLE
Shaft,bimetal,float
Honeywell International, Inc Div Aerospace-Tucson
5960-00-654-3639 INTERCHANGEABLE
Electron Tube
5821-00-700-4575 INTERCHANGEABLE
Terminal Assy
2530-00-773-550810187 INTERCHANGEABLE
Parts Kit,hydraulic Brake Master
Titan Distribution Inc Dba Titan Tire
6105-00-814-0231 INTERCHANGEABLE
Motor,alternating Current
3010-01-066-9087 INTERCHANGEABLE
Plunger
Cross-Reference Index
Part NumberManufacturer
12049 PRIMARY Napco International Llc Dba Napco International Inc (USA)
Related Parts
6150-00-015-1289INTERCHANGEABLE
CABLE ASSEMBLY,POWER,ELECTRICAL
17422
5133-00-061-6271INTERCHANGEABLE
DRILL,TWIST
10920
5310-00-209-2947INTERCHANGEABLE
WASHER,LOCK
633
3120-00-288-4811INTERCHANGEABLE
BEARING,SLEEVE
11-2688
6620-00-505-5031INTERCHANGEABLE
SHAFT,BIMETAL,FLOAT
12049
5960-00-654-3639INTERCHANGEABLE
ELECTRON TUBE
5821-00-700-4575INTERCHANGEABLE
TERMINAL ASSY
2530-00-773-5508INTERCHANGEABLE
PARTS KIT,HYDRAULIC BRAKE MASTER
10187
6105-00-814-0231INTERCHANGEABLE
MOTOR,ALTERNATING CURRENT
3010-01-066-9087INTERCHANGEABLE
PLUNGER
6645-01-148-1683INTERCHANGEABLE
TIMER,SEQUENTIAL
5310-01-168-5567INTERCHANGEABLE
WASHER,FLAT
12049

Frequently Asked Questions

What is NSN 2815-00-971-1431?

NSN 2815-00-971-1431 is a Guide,valve Stem, manufactured by Napco International Llc Dba Napco International Inc, classified under FSC 2815 (No Item Name Available). Status: active.

What are the part numbers for NSN 2815-00-971-1431?

NSN 2815-00-971-1431 has 1 cross-referenced part number: 12049 (Napco International Llc Dba Napco International Inc).

What NSN replaces 2815-00-971-1431?

There are 12 known substitutes for 2815-00-971-1431: 6150-00-015-1289, 5133-00-061-6271, 5310-00-209-2947 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 12049?

Key specifications for 12049: Overall Length: 2.000 INCHES NOMINAL IN; Style Designator: PLAIN FLANGED; Bore Counterbore: NOT INCLUDED; Aa End Chamfer Angle in Deg: 60.0. 11 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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