PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

RCSK16887-4Tee,pipe to Boss

U S Army Tank Automotive Command Amsta-Im-Mm · NSN 4730-01-413-2599 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-01-413-2599 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-413-2599. Primary manufacturer part number: RCSK16887-4.
Features
  • Tee,pipe to Boss — FSC 4730
  • Nominal Thread Size: 0.438 INCHES SECOND END IN
  • Connection Type: UNTHREADED EXTERNAL PIPE FIRST END
  • Connection Style: GROOVED (PIPE) FIRST END
  • Connection Type: UNTHREADED EXTERNAL PIPE SECOND END
  • Thread Series Designator: NPT THIRD END
  • Nominal Pipe Size Accommodated: 0.250 INCHES FIRST END IN
  • Connection Style: GROOVED (PIPE) SECOND END
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
General Description

The Tee,pipe to Boss, cataloged under National Stock Number 4730-01-413-2599, is classified within Federal Supply Class 4730 (No Item Name Available) of the Pipe, Tubing, Hose, and Fittings group. The primary manufacturer of record is U S Army Tank Automotive Command Amsta-Im-Mm. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4730-01-413-2599
Primary Part NumberRCSK16887-4
Item NameTee,pipe to Boss
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerU S Army Tank Automotive Command Amsta-Im-Mm
StatusACTIVE
Nominal Thread Size0.438 INCHES SECOND END IN
Connection TypeUNTHREADED EXTERNAL PIPE FIRST END
Connection StyleGROOVED (PIPE) FIRST END
Connection TypeUNTHREADED EXTERNAL PIPE SECOND END
Thread Series DesignatorNPT THIRD END
Nominal Pipe Size Accommodated0.250 INCHES FIRST END IN
Connection StyleGROOVED (PIPE) SECOND END
Nominal Pipe Size Accommodated0.250 INCHES SECOND END IN
Connection TypeTHREADED EXTERNAL BOSS THIRD END
Connection StyleEXTERNAL SEAT FOR GASKET SEAL (BOSS) THIRD END
Nominal Thread Size0.438 INCHES FIRST END IN
Nominal Thread Size0.125 INCHES THIRD END IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
5950-00-175-4479396303-1 INTERCHANGEABLE
Transformer,power
L3harris Technologies, Inc. Dba Harris Corp Div Antenna Products
5340-00-489-358811642 INTERCHANGEABLE
Cover,access
C M Mfg and Machine Co
5815-00-652-9869SM-B-314830 INTERCHANGEABLE
Holder,tape Guide
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
3895-00-758-97107700086 INTERCHANGEABLE
Tank,distributor Bituminous
Ed Etnyre & Co
5325-00-911-378411642 INTERCHANGEABLE
Grommet,special
Unison Industries Llc
5360-01-086-39521-1642 INTERCHANGEABLE
Spring
Pdi Ground Support Systems, Inc.
3441-01-210-194211642 INTERCHANGEABLE
Roll,knurled
Lockformer Co
4140-01-331-4802 INTERCHANGEABLE
Fan,centrifugal
6750-01-400-304711642 INTERCHANGEABLE
Developer,photographic
Ilford Photo Corp
4730-01-412-5200116-4-4 INTERCHANGEABLE
Tee,pipe to Boss
Mazzer Industries Inc.
Cross-Reference Index
Part NumberManufacturer
RCSK16887-4 U S Army Tank Automotive Command Amsta-Im-Mm (USA)
1901K62 Mcmaster-Carr Supply Co (USA)
12448736-4 U S Army Tank Automotive Command Amsta-Im-Mm (USA)
RCSK16887 U S Army Tank Automotive Command Amsta-Im-Mm (USA)
116-4-2 Mazzer Industries Inc. (USA)
RCSK16887-4 Am General Llc (USA)
Related Parts
5950-00-175-4479INTERCHANGEABLE
TRANSFORMER,POWER
396303-1
5340-00-489-3588INTERCHANGEABLE
COVER,ACCESS
11642
5815-00-652-9869INTERCHANGEABLE
HOLDER,TAPE GUIDE
SM-B-314830
3895-00-758-9710INTERCHANGEABLE
TANK,DISTRIBUTOR BITUMINOUS
7700086
5325-00-911-3784INTERCHANGEABLE
GROMMET,SPECIAL
11642
5360-01-086-3952INTERCHANGEABLE
SPRING
1-1642
3441-01-210-1942INTERCHANGEABLE
ROLL,KNURLED
11642
4140-01-331-4802INTERCHANGEABLE
FAN,CENTRIFUGAL
6750-01-400-3047INTERCHANGEABLE
DEVELOPER,PHOTOGRAPHIC
11642
4730-01-412-5200INTERCHANGEABLE
TEE,PIPE TO BOSS
116-4-4

Frequently Asked Questions

What is NSN 4730-01-413-2599?

NSN 4730-01-413-2599 is a Tee,pipe to Boss, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-01-413-2599?

NSN 4730-01-413-2599 has 6 cross-referenced part numbers: RCSK16887-4 (U S Army Tank Automotive Command Amsta-Im-Mm), 1901K62 (Mcmaster-Carr Supply Co), 12448736-4 (U S Army Tank Automotive Command Amsta-Im-Mm), RCSK16887 (U S Army Tank Automotive Command Amsta-Im-Mm), 116-4-2 (Mazzer Industries Inc.) and 1 more.

What NSN replaces 4730-01-413-2599?

There are 10 known substitutes for 4730-01-413-2599: 5950-00-175-4479, 5340-00-489-3588, 5815-00-652-9869 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of RCSK16887-4?

Key specifications for RCSK16887-4: Special Features: ALL O-RING SEALS SHALL BE MADE OF NITRILE MATERIAL COMPOUND FOR LOW TEMPERATURE OPERATION IAW MIL-P-83461 OR MIL-P-25732; Nominal Thread Size: 0.438 INCHES SECOND END IN; Connection Type: UNTHREADED EXTERNAL PIPE FIRST END; Connection Style: GROOVED (PIPE) FIRST END. 14 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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