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307253-1 — 307253-1

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

307253-1: 307253-1.

The 307253-1 is a the manufacturer industrial component. Key specifications include overall_depth: 1.000 INCHES NOMINAL IN, inside_diameter: 0.261 INCHES NOMINAL IN, outside_diameter: 1.250 INCHES NOMINAL IN, style_designator: ROUND, attachment_method: SETSCREWS, counterbore_depth: 0.219 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5355-01-439-5880, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
307253-1
NSN: 5355-01-439-5880
FSC: 5355 — Knobs and Pointers
CAGE: 54274 — LOCKHEED MARTIN CORPORATION DBA LOCKHEED MARTIN (USA)
SPECIFICATIONS
overall_depth1.000 INCHES NOMINAL IN
inside_diameter0.261 INCHES NOMINAL IN
outside_diameter1.250 INCHES NOMINAL IN
style_designatorROUND
attachment_methodSETSCREWS
counterbore_depth0.219 INCHES NOMINAL IN
overall_thickness1.180 INCHES NOMINAL IN
nominal_thread_size0.112 INCHES SCREW HOLE IN
counterbore_diameter0.750 INCHES NOMINAL IN
setscrew_hole_quantity2
thread_quantity_per_inch40 SCREW HOLE
thread_series_designatorUNIFIED NATIONAL COARSE (UNC) SCREW HOLE
NSN5355-01-439-5880
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available 307253-1 TITLE COMPONENT PN 307253-1 MFR 307253-1
KEY FEATURES
•
DISTANCE FROM HOLE CENTER TO KNOB/SKIRT BASE: 0.590 INCHES NOMINAL IN
•
SHAFT ACCOMMODATION STYLE: COUNTERBORED
•
OVERALL THICKNESS: 1.180 INCHES NOMINAL IN
•
STYLE DESIGNATOR: ROUND
•
OUTSIDE DIAMETER: 1.250 INCHES NOMINAL IN
•
COUNTERBORE DEPTH: 0.219 INCHES NOMINAL IN
•
SETSCREW HOLE QUANTITY: 2
•
NOMINAL THREAD SIZE: 0.112 INCHES SCREW HOLE IN
TECHNICAL CHARACTERISTICS
DISTANCE FROM HOLE CENTER TO KNOB/SKIRT BASE0.590 INCHES NOMINAL IN
SHAFT ACCOMMODATION STYLECOUNTERBORED
OVERALL THICKNESS1.180 INCHES NOMINAL IN
STYLE DESIGNATORROUND
OUTSIDE DIAMETER1.250 INCHES NOMINAL IN
COUNTERBORE DEPTH0.219 INCHES NOMINAL IN
SETSCREW HOLE QUANTITY2
NOMINAL THREAD SIZE0.112 INCHES SCREW HOLE IN
COUNTERBORE DIAMETER0.750 INCHES NOMINAL IN
INSIDE DIAMETER0.261 INCHES NOMINAL IN
OTHER ITEMS IN FSC 5355 — Knobs and Pointers
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5355-00-000-5777 5355-00-001-2029 5355-00-001-2403 5355-00-001-4109 5355-00-001-4677 5355-00-001-4724 5355-00-001-4730 5355-00-001-4734
SUBSTITUTES & CROSS-REFERENCES 1
504353 FIND 11Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 307253-1?
307253-1 is a 307253-1.
What parts can replace 307253-1?
There is 1 known substitute for 307253-1: 504353 FIND 11. Substitute compatibility should be verified for your specific system.
What is the NSN for 307253-1?
307253-1 is cataloged in the U.S. Government catalog under NSN 5355-01-439-5880. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.