Also searched as5220-00-640-5271 ·
5220006405271 ·
NIIN 006405271 ·
00-640-5271 ·
FSC 5220 Inspection Gages and Precision Layout Tools
Nearby stock numbers← 5220-00-640-5270 Gage, Snap, Thread Roll
·
5220-00-640-5272 Gage, Snap, Thread Roll →
Features
Gage,snap,thread Roll — FSC 5220
Screw Thread Quantity Per Inch: 20.0
Thread Design Pitch Diameter: 0.4019 INCHES MINIMUM AND 0.4050 INCHES MAXIMUM IN
Style Designator: OPEN FACE
Nominal Thread Diameter: 0.438 INCHES IN
Features Provided: COMBINATION GO NOT GO GAGE
Gaging Member Length: 0.675 INCHES NOMINAL IN
Thread Stamped Pitch Diameter: 0.4019 INCHES MINIMUM AND 0.4050 INCHES MAXIMUM IN
Identification
NSN: 5220-00-640-5271
NIIN: 006405271
FSC: 5220 — Inspection Gages and Precision Layout Tools
FSG: 52 — Measuring Tools
General Description
The Gage,snap,thread Roll, cataloged under National Stock Number 5220-00-640-5271, is classified within Federal Supply Class 5220 (Inspection Gages and Precision Layout Tools) of the Measuring Tools group. Government technical data includes 8 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
5220-00-640-5271
Item Name
Gage,snap,thread Roll
FSC / FSG
5220 / 52 — Inspection Gages and Precision Layout Tools
Status
ACTIVE
Screw Thread Quantity Per Inch
20.0
Thread Design Pitch Diameter
0.4019 INCHES MINIMUM AND 0.4050 INCHES MAXIMUM IN
Style Designator
OPEN FACE
Nominal Thread Diameter
0.438 INCHES IN
Features Provided
COMBINATION GO NOT GO GAGE
Gaging Member Length
0.675 INCHES NOMINAL IN
Thread Stamped Pitch Diameter
0.4019 INCHES MINIMUM AND 0.4050 INCHES MAXIMUM IN
Screw Thread Series Designator
UNF
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL A — No Demilitarization Required
Hazard
No hazard code in the DLA record (HMIC N)
Criticality Code
X
Cross-Reference Index
No manufacturer part numbers on file in the U.S. Government catalog.
Reference documents
Reference
Meaning
STYLEF
3/9Design control — primary reference
Colt Industries Operating Corp Pratt and Whitney Machine Tool Div
No interchangeability data on file.
Other items in FSC 5220 — Inspection Gages and Precision Layout Tools
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5220-00-001-1255
LEVEL,PRECISION,MASTER
5220-00-001-2242
5220-00-001-2242 · Item name not on file
5220-00-001-2243
5220-00-001-2243 · Item name not on file
5220-00-001-2673
5220-00-001-2673 · Item name not on file
5220-00-001-2674
5220-00-001-2674 · Item name not on file
5220-00-001-2691
5220-00-001-2691 · Item name not on file
5220-00-001-2692
5220-00-001-2692 · Item name not on file
5220-00-001-2693
5220-00-001-2693 · Item name not on file
Frequently Asked Questions
What is NSN 5220-00-640-5271?
NSN 5220-00-640-5271 is a Gage,snap,thread Roll, classified under FSC 5220, Inspection Gages and Precision Layout Tools. Status: active.
What are the specifications of 5220-00-640-5271?
Key specifications for 5220-00-640-5271: Screw Thread Quantity Per Inch: 20.0; Thread Design Pitch Diameter: 0.4019 INCHES MINIMUM AND 0.4050 INCHES MAXIMUM IN; Style Designator: OPEN FACE; Nominal Thread Diameter: 0.438 INCHES IN. 8 specifications are documented in the U.S. Government catalog.
Is NSN 5220-00-640-5271 hazardous material?
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
Sources
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.