Width: 0.120 INCHES MINIMUM AND 0.130 INCHES MAXIMUM IN
Material: COPPER ALLOY OR STEEL COMP 303
Furnished Items: LOCKNUT
Hole Diameter: 0.093 INCHES NOMINAL IN
Identification
NSN: 5340-00-020-3126
NIIN: 000203126
FSC: 5340 — Hardware, Commercial
FSG: 53 — Hardware and Abrasives
General Description
The Clamp,synchro, cataloged under National Stock Number 5340-00-020-3126, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. Government technical data includes 7 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 5 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active. Unit of issue: EA.
Technical Specifications
Parameter
Value
NSN
5340-00-020-3126
Item Name
Clamp,synchro
FSC / FSG
5340 / 53 — Hardware, Commercial
Status
ACTIVE
Length
0.140 INCHES NOMINAL IN
Height
0.195 INCHES NOMINAL IN
Surface Treatment
CADMIUM OR PASSIVATE
Width
0.120 INCHES MINIMUM AND 0.130 INCHES MAXIMUM IN
Material
COPPER ALLOY OR STEEL COMP 303
Furnished Items
LOCKNUT
Hole Diameter
0.093 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL A — No Demilitarization Required
Hazard
Possible hazard — SDS may be required (DLA HMIC P)
Criticality Code
X
Unit of Issue
EA
⇄Related Items5
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
5905-00-681-5372POSSIBLE MATCH
RESISTOR,FIXED,FILM
Possible match (shared part number)
6685-00-783-6614POSSIBLE MATCH
GAGE,COMPOUND PRESSURE-VACUUM,DI
Possible match (shared part number)
3110-01-029-1336309-001POSSIBLE MATCH
BEARING,THRUST,TURB
Possible match (shared part number)Dresser Rand Power Inc Dba Product Services
4820-01-189-3299POSSIBLE MATCH
RETAINER,DISK,VALVE
Possible match (shared part number)
1336-01-519-720330900-1POSSIBLE MATCH
CARTRIDGE,IMPULSE
Possible match (shared part number)Nammo Defense Systems Inc. Dba Nammo Defense Systems Inc
Cross-Reference Index
No manufacturer part numbers on file in the U.S. Government catalog.
Reference documents
Reference
Meaning
30900-1
3/9Design control — primary reference
Advanced Logic Resources Inc Dba Alr
30900-1
5/9Secondary reference
Gap Instrument Corp
Related Parts
5905-00-681-5372POSSIBLE MATCH
RESISTOR,FIXED,FILM
6685-00-783-6614POSSIBLE MATCH
GAGE,COMPOUND PRESSURE-VACUUM,DI
3110-01-029-1336POSSIBLE MATCH
BEARING,THRUST,TURB
309-001
4820-01-189-3299POSSIBLE MATCH
RETAINER,DISK,VALVE
1336-01-519-7203POSSIBLE MATCH
CARTRIDGE,IMPULSE
30900-1
Frequently Asked Questions
What is NSN 5340-00-020-3126?
NSN 5340-00-020-3126 is a Clamp,synchro, classified under FSC 5340, Hardware, Commercial. Status: active.
What NSN replaces 5340-00-020-3126?
5 possible matches (shared part number, not a government interchangeability claim): 5905-00-681-5372, 6685-00-783-6614, 3110-01-029-1336. Verify interchangeability with system specifications before substitution.
What are the specifications of 5340-00-020-3126?
Key specifications for 5340-00-020-3126: Length: 0.140 INCHES NOMINAL IN; Height: 0.195 INCHES NOMINAL IN; Surface Treatment: CADMIUM OR PASSIVATE; Width: 0.120 INCHES MINIMUM AND 0.130 INCHES MAXIMUM IN. 7 specifications are documented in the U.S. Government catalog.
Is NSN 5340-00-020-3126 hazardous material?
Possible hazard — SDS may be required (DLA HMIC P). 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.