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PP1857 — PP1857

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

PP1857: PP1857.

The PP1857 is a the manufacturer industrial component. Key specifications include width: 1.875 INCHES NOMINAL IN, material: RUBBER SYNTHETIC, shank_style: STRAIGHT, shank_length: 0.422 INCHES NOMINAL IN, overall_depth: 0.437 INCHES NOMINAL IN, shank_diameter: 1.250 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5355-00-446-1975, 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
PP1857
NSN: 5355-00-446-1975
NIINs: 004461975, 010784323
FSC: 5355 — Knobs and Pointers
CAGE: 80249 — BAE SYSTEMS INFORMATION AND ELECTRONIC SYSTEMS INTEGRATION INC. (USA)
SPECIFICATIONS
width1.875 INCHES NOMINAL IN
materialRUBBER SYNTHETIC
shank_styleSTRAIGHT
shank_length0.422 INCHES NOMINAL IN
overall_depth0.437 INCHES NOMINAL IN
shank_diameter1.250 INCHES NOMINAL IN
inside_diameter0.250 INCHES NOMINAL IN
screw_drive_typeHEXAGON SOCKET
special_featuresRETRACTABLE CRANK
style_designatorROUND WITH CRANK
attachment_methodSETSCREWS
overall_thickness1.437 INCHES NOMINAL IN
NSN5355-00-446-1975
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available PP1857 TITLE COMPONENT PN PP1857 MFR PP1857
KEY FEATURES
•
SHANK DIAMETER: 1.250 INCHES NOMINAL IN
•
DISTANCE FROM HOLE CENTER TO KNOB/SKIRT BASE: 0.211 INCHES NOMINAL IN
•
SHAFT ACCOMMODATION STYLE: ROUND
•
OVERALL THICKNESS: 1.437 INCHES NOMINAL IN
•
SHANK LENGTH: 0.422 INCHES NOMINAL IN
•
STYLE DESIGNATOR: ROUND WITH CRANK
•
SETSCREW HOLE QUANTITY: 2
•
INSIDE DIAMETER: 0.250 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
SHANK DIAMETER1.250 INCHES NOMINAL IN
DISTANCE FROM HOLE CENTER TO KNOB/SKIRT BASE0.211 INCHES NOMINAL IN
SHAFT ACCOMMODATION STYLEROUND
OVERALL THICKNESS1.437 INCHES NOMINAL IN
SHANK LENGTH0.422 INCHES NOMINAL IN
STYLE DESIGNATORROUND WITH CRANK
SETSCREW HOLE QUANTITY2
INSIDE DIAMETER0.250 INCHES NOMINAL IN
SHANK STYLESTRAIGHT
GRIPPING SURFACE CONDITIONGRIP AID
SUBSTITUTES & CROSS-REFERENCES 2
K1276Reference document
Same NSN cross-reference
Reference document — Secondary reference
450017-2Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is PP1857?
PP1857 is a PP1857.
What parts can replace PP1857?
There are 2 known substitutes for PP1857: K1276, 450017-2. Substitute compatibility should be verified for your specific system.
What is the NSN for PP1857?
PP1857 is cataloged in the U.S. Government catalog under NSN 5355-00-446-1975. 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.