The Lever Sweep, cataloged under National Stock Number 6645-01-010-3745, is classified within Federal Supply Class 6645 (Time Measuring Instruments) of the Instruments and Laboratory Equipment group. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government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
6645-01-010-3745
Item Name
Lever Sweep
FSC / FSG
6645 / 66 — Time Measuring Instruments
Status
ACTIVE
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 Items4
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
1260-01-170-99011398-1POSSIBLE MATCH
ARM AND SUPPORT ASS
Possible match (shared part number)Leidos, Inc. Div Cyber and Information Solutions Services
5305-01-272-902513981POSSIBLE MATCH
SCREW,MACHINE
Possible match (shared part number)Prestolite Electric Inc
5995-01-318-5952POSSIBLE MATCH
CABLE ASSEMBLY SET,RADIO FREQUEN
Possible match (shared part number)
5985-01-360-258813981POSSIBLE MATCH
TRIPOD,ANTENNA
Possible match (shared part number)General Dynamics Mission Systems, Inc.
Cross-Reference Index
No manufacturer part numbers on file in the U.S. Government catalog.
Reference documents
Reference
Meaning
100020
5/2Secondary reference
U.S. Government activity
13981
3/2Design control — primary reference
U.S. Government activity
Related Parts
1260-01-170-9901POSSIBLE MATCH
ARM AND SUPPORT ASS
1398-1
5305-01-272-9025POSSIBLE MATCH
SCREW,MACHINE
13981
5995-01-318-5952POSSIBLE MATCH
CABLE ASSEMBLY SET,RADIO FREQUEN
5985-01-360-2588POSSIBLE MATCH
TRIPOD,ANTENNA
13981
Frequently Asked Questions
What is NSN 6645-01-010-3745?
NSN 6645-01-010-3745 is a Lever Sweep, classified under FSC 6645, Time Measuring Instruments. Status: active.
What NSN replaces 6645-01-010-3745?
4 possible matches (shared part number, not a government interchangeability claim): 1260-01-170-9901, 5305-01-272-9025, 5995-01-318-5952. Verify interchangeability with system specifications before substitution.
What are the specifications of 6645-01-010-3745?
Key specifications for 6645-01-010-3745: End Item Identification: ACFT MODEL HH3F. 0 specifications are documented in the U.S. Government catalog.
Is NSN 6645-01-010-3745 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.