PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

87921Drill,twist

Precision Twist Drill Co · NSN 5133-01-365-7838 · FSC 5133 · No Item Name Available
Verified by PartsTable
NSN 5133-01-365-7838 — this item is cataloged by the U.S. Government under National Stock Number 5133-01-365-7838. Primary manufacturer part number: 87921.
Features
  • Drill,twist — FSC 5133
  • Shank Style: STANDARD TAPER-ROUND
  • Point Angle: 90.0 DEGREES NOMINAL
  • Material: STEEL OVERALL
  • Surface Treatment: TITANIUM NITRIDE OVERALL
  • Nominal Cutting Diameter: 0.6250 INCHES IN
  • Flute Length: 1.625 INCHES NOMINAL IN
  • Cutting End Style: GENERAL PURPOSE
Applications
  • Applications requiring Steel Overall construction
General Description

The Drill,twist, cataloged under National Stock Number 5133-01-365-7838, is classified within Federal Supply Class 5133 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is Precision Twist Drill Co. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5133-01-365-7838
Primary Part Number87921
Item NameDrill,twist
FSC / FSG5133 / 51 — No Item Name Available
ManufacturerPrecision Twist Drill Co
StatusACTIVE
Shank StyleSTANDARD TAPER-ROUND
Point Angle90.0 DEGREES NOMINAL
MaterialSTEEL OVERALL
Surface TreatmentTITANIUM NITRIDE OVERALL
Nominal Cutting Diameter0.6250 INCHES IN
Flute Length1.625 INCHES NOMINAL IN
Cutting End StyleGENERAL PURPOSE
Cutting Rotation DirectionRIGHT-HAND
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5935-00-460-078110674055 INTERCHANGEABLE
Adapter,connector
Us Army Aviation and Missile Command
4820-01-446-35468792-1 INTERCHANGEABLE
Disk,valve
Cooper Interconnect, Inc. Dba Cooper Interconnect Div Interconnect
Cross-Reference Index
Part NumberManufacturer
87921 PRIMARY Precision Twist Drill Co (USA)
SPRG 5/8 Precision Twist Drill Co (USA)
Related Parts
5935-00-460-0781INTERCHANGEABLE
ADAPTER,CONNECTOR
10674055
4820-01-446-3546INTERCHANGEABLE
DISK,VALVE
8792-1

Frequently Asked Questions

What is NSN 5133-01-365-7838?

NSN 5133-01-365-7838 is a Drill,twist, manufactured by Precision Twist Drill Co, classified under FSC 5133 (No Item Name Available). Status: active.

What are the part numbers for NSN 5133-01-365-7838?

NSN 5133-01-365-7838 has 2 cross-referenced part numbers: 87921 (Precision Twist Drill Co), SPRG 5/8 (Precision Twist Drill Co).

What NSN replaces 5133-01-365-7838?

There are 2 known substitutes for 5133-01-365-7838: 5935-00-460-0781, 4820-01-446-3546. Verify interchangeability with system specifications before substitution.

What are the specifications of 87921?

Key specifications for 87921: Shank Style: STANDARD TAPER-ROUND; Point Angle: 90.0 DEGREES NOMINAL; Special Features: SPOTTING TYPE; Material: STEEL OVERALL. 10 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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