PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

51437Chasers,thread Cutting

Trw Inc Trw Cutting Tools Div-New Haven · NSN 5136-00-156-3042 · FSC 5136 · No Item Name Available
Verified by PartsTable
NSN 5136-00-156-3042 — this item is cataloged by the U.S. Government under National Stock Number 5136-00-156-3042. Primary manufacturer part number: 51437.
Features
  • Chasers,thread Cutting — FSC 5136
  • Thread Size and Series/type Designator: 0.625-18 UNF
  • Departure From Cited Document: PARAGRAPHS 3.2.5 AND 3.3.2 STRAIGHT THREAD CHASERS
  • Thread Size and Series/type Designator: 0.625-18 UNF
  • Material: STEEL OVERALL
  • Segment Quantity: 4
  • Segment Quantity: 4
  • Thread Direction: RIGHT-HAND
Applications
  • Applications requiring Steel Overall construction
General Description

The Chasers,thread Cutting, cataloged under National Stock Number 5136-00-156-3042, 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 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5136-00-156-3042
Primary Part Number51437
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 Designator0.625-18 UNF
Departure From Cited DocumentPARAGRAPHS 3.2.5 AND 3.3.2 STRAIGHT THREAD CHASERS
Thread Size and Series/type Designator0.625-18 UNF
MaterialSTEEL OVERALL
Segment Quantity4
Segment Quantity4
Thread DirectionRIGHT-HAND
Departure From Cited DocumentPARAGRAPHS 3.2.5 AND 3.3.2 STRAIGHT THREAD CHASERS
MaterialSTEEL OVERALL
Style DesignatorRADIAL
Style DesignatorRADIAL
Thread Pitch Diameters+0.5805 TO 0.5875 INCHES IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
5315-00-177-415051437 INTERCHANGEABLE
Pin,quick Release
Avibank Mfg., Inc. Dba Avibank Manufacturing Inc
1420-00-621-7687 INTERCHANGEABLE
Mirror Block,assembly
4330-00-804-1541 INTERCHANGEABLE
Filter Element,fluid
5950-00-930-1301SMB528031 INTERCHANGEABLE
Transformer,audio Frequency
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
4420-01-464-175351437 INTERCHANGEABLE
Bracket,mounting,re
Electro Impulse Laboratory Inc Dba Electro Impulse Inc
Cross-Reference Index
Part NumberManufacturer
51437 Trw Inc Trw Cutting Tools Div-New Haven (USA)
A-A-50695 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
MIL-D-4562 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
5315-00-177-4150INTERCHANGEABLE
PIN,QUICK RELEASE
51437
1420-00-621-7687INTERCHANGEABLE
MIRROR BLOCK,ASSEMBLY
4330-00-804-1541INTERCHANGEABLE
FILTER ELEMENT,FLUID
5950-00-930-1301INTERCHANGEABLE
TRANSFORMER,AUDIO FREQUENCY
SMB528031
4420-01-464-1753INTERCHANGEABLE
BRACKET,MOUNTING,RE
51437

Frequently Asked Questions

What is NSN 5136-00-156-3042?

NSN 5136-00-156-3042 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 5136-00-156-3042?

NSN 5136-00-156-3042 has 3 cross-referenced part numbers: 51437 (Trw Inc Trw Cutting Tools Div-New Haven), A-A-50695 (Federal Commercial Item Description Promulgated by General Services Administration Washington DC), MIL-D-4562 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 5136-00-156-3042?

There are 5 known substitutes for 5136-00-156-3042: 5315-00-177-4150, 1420-00-621-7687, 4330-00-804-1541 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 51437?

Key specifications for 51437: Thread Size and Series/type Designator: 0.625-18 UNF; Departure From Cited Document: PARAGRAPHS 3.2.5 AND 3.3.2 STRAIGHT THREAD CHASERS; Special Features: U/W GEOMETRIC TOOL CO. DIE HEAD HOLDER STYLE D,SIZE1 IN.; Thread Size and Series/type Designator: 0.625-18 UNF. 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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