PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

51446Chasers,thread Cutting

Trw Inc Trw Cutting Tools Div-New Haven · NSN 5136-00-156-3047 · FSC 5136 · No Item Name Available
Verified by PartsTable
NSN 5136-00-156-3047 — this item is cataloged by the U.S. Government under National Stock Number 5136-00-156-3047. Primary manufacturer part number: 51446.
Features
  • Chasers,thread Cutting — FSC 5136
  • Thread Size and Series/type Designator: 0.750-20 UNEF
  • Segment Quantity: 4
  • Thread Size and Series/type Designator: 0.750-20 UNEF
  • Style Designator: RADIAL
  • Material: STEEL OVERALL
  • Departure From Cited Document: PARAGRAPHS 3.2.5 AND 3.3.2 STRAIGHT THREAD CHASERS
  • Departure From Cited Document: PARAGRAPHS 3.2.5 AND 3.3.2 STRAIGHT THREAD CHASERS
Applications
  • Applications requiring Steel Overall construction
General Description

The Chasers,thread Cutting, cataloged under National Stock Number 5136-00-156-3047, is classified within Federal Supply Class 5136 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is Trw Inc Trw Cutting Tools Div-New Haven. Government technical data includes 12 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. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5136-00-156-3047
Primary Part Number51446
Item NameChasers,thread Cutting
FSC / FSG5136 / 51 — No Item Name Available
ManufacturerTrw Inc Trw Cutting Tools Div-New Haven
StatusACTIVE
Thread Size and Series/type Designator0.750-20 UNEF
Segment Quantity4
Thread Size and Series/type Designator0.750-20 UNEF
Style DesignatorRADIAL
MaterialSTEEL OVERALL
Departure From Cited DocumentPARAGRAPHS 3.2.5 AND 3.3.2 STRAIGHT THREAD CHASERS
Departure From Cited DocumentPARAGRAPHS 3.2.5 AND 3.3.2 STRAIGHT THREAD CHASERS
Style DesignatorRADIAL
Thread DirectionRIGHT-HAND
MaterialSTEEL OVERALL
Segment Quantity4
Thread Pitch Diameters+0.7118 TO 0.7162 INCHES IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
5330-00-132-474151446 INTERCHANGEABLE
Gasket
Waterous Company
5998-00-421-5841 INTERCHANGEABLE
Circuit Card Assembly
5330-00-582-379021108 INTERCHANGEABLE
Seal,plain Encased
Skf Usa Inc. Dba Skf Aerospace Sealing Solutions
5305-01-049-171551446 INTERCHANGEABLE
Screw,cap,hexagon Head
Paccar Winch Inc Dba Paccar Winch Division
8345-01-153-9669 INTERCHANGEABLE
Guidon
5955-01-308-74315-1446 INTERCHANGEABLE
Crystal Unit,quartz
Bird Electronic Corporation Div Bird Electronic Corp
8345-01-451-5855 INTERCHANGEABLE
Guidon
Cross-Reference Index
Part NumberManufacturer
51446 Trw Inc Trw Cutting Tools Div-New Haven (USA)
MIL-D-4562 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
5330-00-132-4741INTERCHANGEABLE
GASKET
51446
5998-00-421-5841INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
5330-00-582-3790INTERCHANGEABLE
SEAL,PLAIN ENCASED
21108
5305-01-049-1715INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
51446
8345-01-153-9669INTERCHANGEABLE
GUIDON
5955-01-308-7431INTERCHANGEABLE
CRYSTAL UNIT,QUARTZ
5-1446
8345-01-451-5855INTERCHANGEABLE
GUIDON

Frequently Asked Questions

What is NSN 5136-00-156-3047?

NSN 5136-00-156-3047 is a Chasers,thread Cutting, manufactured by Trw Inc Trw Cutting Tools Div-New Haven, classified under FSC 5136 (No Item Name Available). Status: active.

What are the part numbers for NSN 5136-00-156-3047?

NSN 5136-00-156-3047 has 2 cross-referenced part numbers: 51446 (Trw Inc Trw Cutting Tools Div-New Haven), MIL-D-4562 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 5136-00-156-3047?

There are 7 known substitutes for 5136-00-156-3047: 5330-00-132-4741, 5998-00-421-5841, 5330-00-582-3790 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 51446?

Key specifications for 51446: Thread Size and Series/type Designator: 0.750-20 UNEF; Special Features: U/W GEOMETRIC TOOL CO. DIE HEAD HOLDER STYLE D,SIZE1 IN.; Segment Quantity: 4; Thread Size and Series/type Designator: 0.750-20 UNEF. 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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