NSN 5220-00-566-4046 — this item is cataloged by the U.S. Government under National Stock Number 5220-00-566-4046. Manufacturer of record part number: 1688-4.
Also searched as5220-00-566-4046 ·
5220005664046 ·
NIIN 005664046 ·
00-566-4046 ·
FSC 5220 Inspection Gages and Precision Layout Tools · CAGE 01556 · 1688-4
Thread Design Pitch Diameter: 0.2825 INCHES MINIMUM AND 0.2851 INCHES MAXIMUM IN
Design Type: DOUBLE END
Thread Type: SINGLE
Tapered Threads: NOT INCLUDED
Nominal Thread Diameter: 0.2500 INCHES IN
Features Provided: COMBINATION GO NOT GO GAGE
Identification
NSN: 5220-00-566-4046
NIIN: 005664046
FSC: 5220 — Inspection Gages and Precision Layout Tools
FSG: 52 — Measuring Tools
Primary part number: 1688-4
Manufacturer: Stanley Engineered Fastening Llc
General Description
The Gage,plug,thread, cataloged under National Stock Number 5220-00-566-4046, is classified within Federal Supply Class 5220 (Inspection Gages and Precision Layout Tools) of the Measuring Tools group. The manufacturer of record is Stanley Engineered Fastening Llc. Government technical data includes 12 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 8 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
5220-00-566-4046
Primary Part Number
1688-4
Item Name
Gage,plug,thread
FSC / FSG
5220 / 52 — Inspection Gages and Precision Layout Tools
Manufacturer
Stanley Engineered Fastening Llc
Status
ACTIVE
Screw Thread Quantity Per Inch
20.0
Thread Design Pitch Diameter
0.2825 INCHES MINIMUM AND 0.2851 INCHES MAXIMUM IN
Design Type
DOUBLE END
Thread Type
SINGLE
Tapered Threads
NOT INCLUDED
Nominal Thread Diameter
0.2500 INCHES IN
Features Provided
COMBINATION GO NOT GO GAGE
Thread Major Diameter Truncation Feature
NOT INCLUDED
Thread Direction
RIGHT-HAND
Thread Stamped Pitch Diameter
0.2825 INCHES MINIMUM AND 0.2851 INCHES MAXIMUM IN
Screw Thread Series Designator
UNIFIED NATIONAL COARSE (UNC)
Pitch Diameter Tolerance
-0.00010 TO 0.00010 INCHES AND -0.00010 TO 0.00000 INCHES IN
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
⇄Related Items8
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
5330-00-932-339016884POSSIBLE MATCH
GASKET
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3020-01-226-722015207-3POSSIBLE MATCH
GEAR,SPUR
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3020-01-226-722215208-8POSSIBLE MATCH
GEAR,SPUR
Possible match (shared part number)Calgon Carbon Uv Technologies Llc Dba Hyde Marine
3040-01-297-141216884 PIECE 94POSSIBLE MATCH
SHAFT,STRAIGHT
Possible match (shared part number)Calgon Carbon Uv Technologies Llc Dba Hyde Marine
3020-01-297-155516885-8POSSIBLE MATCH
GEAR,BEVEL
Possible match (shared part number)Calgon Carbon Uv Technologies Llc Dba Hyde Marine
3020-01-297-155616885-2POSSIBLE MATCH
GEAR,BEVEL
Possible match (shared part number)Calgon Carbon Uv Technologies Llc Dba Hyde Marine
3020-01-297-155716885-6POSSIBLE MATCH
GEAR,SPUR
Possible match (shared part number)Calgon Carbon Uv Technologies Llc Dba Hyde Marine
3020-01-297-155816885-7POSSIBLE MATCH
GEAR,SPUR
Possible match (shared part number)Calgon Carbon Uv Technologies Llc Dba Hyde Marine
NSN 5220-00-566-4046 is a Gage,plug,thread, manufactured by Stanley Engineered Fastening Llc, classified under FSC 5220, Inspection Gages and Precision Layout Tools. Status: active.
What part numbers are listed for NSN 5220-00-566-4046?
NSN 5220-00-566-4046 has 1 manufacturer part number on file: 1688-4 (Stanley Engineered Fastening Llc).
What NSN replaces 5220-00-566-4046?
8 possible matches (shared part number, not a government interchangeability claim): 5330-00-932-3390, 3020-01-226-7220, 3020-01-226-7222. Verify interchangeability with system specifications before substitution.
What are the specifications of 1688-4?
Key specifications for 1688-4: Screw Thread Quantity Per Inch: 20.0; Thread Design Pitch Diameter: 0.2825 INCHES MINIMUM AND 0.2851 INCHES MAXIMUM IN; Design Type: DOUBLE END; Thread Type: SINGLE. 12 specifications are documented in the U.S. Government catalog.
Is NSN 5220-00-566-4046 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.